Wednesday, July 31, 2019

Free and Fair Election

Free and Fair Election The electoral system have to be fair and just and to ensure this, free and fair election will be held when the Parliament is dissolved or finish it’s sitting duration of 5 years. A free and fair election must be in orderly manner and it must not have Coup d’etat. Coup d’etat is meant by a sudden decisive exercise of force in politics . It is an alteration of an existing government by a small group that tend to create riots and chaos. The current Malaysia government believe that Bersih 2. 0 and 3. 0 is an attempted coup d’etat to topple the government – an allegation made by the Prime Minister himself.But the 8 demands from Bersih 2. 0 have no bias standing against any of the governmental parties in Malaysia. Basically they just wanted a clean and fair election, which is the fundamental element in the electoral system. Malaysia practices the simple plurality system which is also known as ‘first-past-the-post system. The h allmark of this system is that constituencies are single-member constituencies and a candidate with the largest vote wins the electoral district even if it does not constitute an absolute majority of the electors.Article 116 and 117 constitute that representatives at State and Federal level are divided into constituencies in accordance with the provisions contained in the Thirteenth Schedule. This system is following the Westminster post system which is also followed by UK and India. The MP who won the election does not usually equal to the majority of votes. They won the election by simple majority but not the entire popularity of the voters. The fundamental built on this system is that each voter is entitled to only one vote. Constituencies are approximately equal in population size so that it carries the same value.All constituencies are single-member constituencies so that there are as many electoral districts as there are seats in the elected chamber. Only one ballot is held an d the candidate obtaining the most votes is declared elected. Candidate with the largest vote wins. The advantages of the simple plurality system are that it produces a clear winner; it provides political stability; reduce the number of political parties represented in Parliament; enables stability in government and ensures easy passage of legislation through Parliament. Furthermore, it avours large groups and coalition and eliminates small parties, making it an easy tunnel for the legislation making to pass through. There is no perfection in everything, so does the political electoral system. One of the defects of first-past-the-post system is that it produces parliaments that are elected but not representative. Democratic legitimate is in doubt because the ascendancy of government population is usually below 50%. Voters who voted for unsuccessful candidates receive no representation in Parliament. In 1982, 60. 5% of the votes gave to the Barisan 85. 7% of the constituencies. In 20 04, 63. % of the ballots translated to 90. 41 seats in the Dewan Rakyat. These flaws can be minimized with the system of proportional representation where the parliamentary seats are given to the parties in proportion to the number of votes obtained by them. In single transferable vote system, a candidate is elected only if he obtains the quota of the vote cast. It is a multi-member constituency but each voter has only one vote and he is required to mark out his preference for different candidates. In the list system,each party is allowed to put up a list of candidates equal to the number of seats to be filled.The voter gives his vote to the whole list en bloc. There must have an honest and competent administration to run the election so that the election will be fair. The Election Commission must be fair. Article 114(2) of FC written that in appointing members of the Election Commission the YDPA shall have regard to the importance of securing an Election Commission which enjoys pub lic confidence. This implies that public confidence is essential and to gain the public trust, independent and fair Election Commission is a must.In Article 114(4)(b) and (c) also clearly stated that the YDPA shall by order remove from office any member of the Election Commission if such member engages in any paid office or employment outside the duties of his office or is a member of either House of Parliament or of the Legislative Assembly of a State. By staying away from the executive and legislative branch, it prevents the Election Commission from choosing side or bias towards any of the party in the election. Even their remuneration comes from consolidated fund as stated in Article 114(5) of Federal Constitution.This proves that the Election Commission is neutral from the government. Their duties are to conduct election, keep the election roll clean and constitutes boundary as listed. Mobilising organisations like political parties aided our country to envisage democracy. Non-p olitical associations and organisations like firms, industries, trade unions and religious organisations help to create and mobilize public opinion. This indicates that developed system of a political party is essential to ensure fair and free election. In Malaysia political parties are allowed but they must apply for registration under Societies Act.Nearly 34 political parties are registered with the Registrar of Societies. The ruling Barisan National is the world’s most enduring political coalition. Starting out as the Alliance since 1955, today it has 14 parties, 9 which won federal parliamentary seats. There are 20 registered opposition parties, 4 of which gained parliamentary representation. To achieve a free and fair election, candidates must apply the general rules of fair play. Equal chances should be given to each participating parties to conduct their election campaign.Election campaign could be conducted through media and spreading their propaganda. Shifting voters illegally, creating â€Å"phantom† voters, granting illegal immigrants citizenship and the right to vote, buying votes, handing out cash aid to vulnerable groups, and intimidating voters are crimes of election and must not be conducted in any way. The use of propaganda is limited in some countries by forbidding use of opinion polls, newspaper advertisement and house to house campaigns. Giving of free transport, food and bribes to the electorate is forbidden.But government after government gets around the law by promising or delivering â€Å"development aid† just before the election (Prof. Shad Saleem Faruqi, 2008). In Malaysia, under the Elections (Conduct of Elections) Regulations 1959-82, the period for election campaign has been progressively shortened from the period of 147 days to a minimum of 11 days. The conduct of the campaign is supposed to be fair and equal to each participating parties. But the Government’s ban on political processions on the alleged ground of security make the certain parties unable to reach the electorate and to mobilise public opinion.The short campaign period limits out the other parties to reach out to the electorate. The ownership and control of the mainstream print and electronic media by the Government or groups affiliated with the ruling coalition like TV3, Bernama and Berita Harian gives the Government an unfair advantage over its opponents. These issues need to be addressed and redressed. The right to speech, assembly and association are the essential pillars of a democratic set-up; to reach the goal of free and fair election. Speech, assembly and association are restrained considerably in Malaysia.Though Article 10(1) enshrines these freedoms, Articles 10(2), 10(4), 149 and 150 permit the Parliament to impose restrictions on the exercise of these freedoms on 14 constitutionally permissible grounds. A plethora of laws has been enacted under the authority of the Constitution to ensure that electoral z eal does not compromise race relations, national security and public order. As in during ordinary or election campaign, processions, public rallies and assemblies are not allowed except with a police permit under the Police Act. The recent case of Bersih 2. rally was an assembly that was not permitted by the Police Act, although their organization was legal and permitted. The root to achieve fair and free election results is through the votes. Malaysia uses the â€Å"One vote, one value† which is based on one cardinal principle- that constituencies should be approximately equal in population size so as to give reality to the principle of one person, one vote, one value. This principle is an offshoot of the rule of equality before the law. The weightage of the votes are differ based on geographical areas, basically categorized into rural and urban area.The Baker v Carr rules gives parliaments a primarily urban bias. For this reason many countries including Malaysia allow rural constituencies to be smaller in population size than urban electoral districts. â€Å"Rural† or â€Å"urban† are not defined in the Constitution and wide disparities in population exist from constituency to constituency. Population, geographical size and the urban-rural dichotomy seem to have exerted influence. Labuan, Putrajaya, Kelantan, Pahang, Perak, Sabah and Perlis are over-represented. Selangor, Kuala Lumpur, Johor and Terengganu are under-represented in the federal legislature.

Tuesday, July 30, 2019

Nature and Self-Reliance Essay

1. Which of the three tenets of transcendentalism is the most stressed in the two essays? Use specific details from each essay to support your response. Individualism is the tenet of transcendentalism that is most stress in the two essays of Emerson. Individualism is the tenet that is talked about the most in both of the essays. In â€Å"Self-Reliance† the main topic of is to be oneself, and to trust oneself. In addition, in the essay says that one should do what he or she believes is right, not what others believe is right. For example, if a person considers Judaism to be the true religion then he should follow Judaism and not what everyone is following. Also, the essay talks about how an individual should be a nonconformist. A person should not copy what other people do or believe. For instance, if everyone likes to hunt but one person doesn’t then the one individual should not go hunting just to be like the rest. If a person copies others he or she wouldn’t know what to do when there is no one to copy anymore, he or she would have lost themselves. If a person copies others they lose themselves, and their perso nalities. One must always follow what they believe, and what they like they should be independent from what other people believe or like. For instance, if two people think that the answer to a question is A, but another person think it’s C, then the person should stick to his or her answer and not change it because the other person think it’s another answer. Also, Emerson says in the essay that one should not care about what others think of oneself, for example one should not care if people think he or she is bad or good but instead only if care about what one think about himself. For example, if a person likes reading but everyone says that the person is boring because that person likes reading the person should care because that is what he likes. Just like in the essay â€Å"Self-Reliance† the essay â€Å"Nature† also contains the tenet of individualism. In â€Å"Nature† it talks about individualism in a different way that in â€Å"Self-Reliance†, instead of telling the people to believe in them â€Å"Nature† talks about how to find one true self. It says that to find our true self we must go to nature. In nature one  can find peace, and tranquility to look for there true self. For example, many times a person can’t find peace in the city because of the people and the noise, so they have to go to nature to find peace. Nature can give an individual all the answers one needs. Nature helps a man find reason, and faith. Nature gives the individual all the tools one needs to find their true self. 2. Challenge what do â€Å"Self-Reliance† and Nature seem to suggest about Emerson’s opinion of Change? Use details from the essays to support your response. â€Å"Self-Reliance† and â€Å"Nature† suggest that Emerson think of change as something good and bad. Emerson sees change as something good when the person that does it is because that is what he or she considers right. For example, if a person changes religion because he feels the other religions is the correct one then it is a good change. Change is good when one does it for himself and not for anyone else; because once he or she does it for someone else they lose themselves. For instance, if a person that reads a lot stops reading because he stopped liking reading then it is a good change, but if the person stopped reading because people told him to stopped reading then it’s a bad change. Change is good if it’s going to help the person in someway, and if the person can stay true to himself. For example, if a wealthy person is humble lives in a big house and decided to move to a small house then it is a good change but if a poor person lives in a small house and moves to a bigger house to show off then it is a bad change. A change is bad if a person does it for another person. For example, if a person stops singing to be friends with another person then it is a bad change. If a person changes because everyone else is doing something else it is a bad change. For example, if a person likes apples, but no one else does, and because of that the person stops eating apples then it’s a bad change. A change is bad if the person changes because the other people don’t like what the person is doing. For instance, if a person likes to sing but the other people don’t like that person singing and he stops singing because of that then it is a bad change. A change can be good or bad depending on the situation.

Monday, July 29, 2019

Changes And Urban Expansion In Greater Dhaka Environmental Sciences Essay

The analysis revealed that significant growing of built-up countries in Greater Dhaka over the survey period resulted important lessening in the country of H2O organic structures, cultivated old termland, following term flora and wetlands. old termUrban land expansionnext term has been mostly driven by lift, population growing and economic development. Rapid old termurban expansionnext term through infilling of low-lying countries and glade of flora resulted in a broad scope of environmental impacts, including habitat quality. As dependable and current informations are missing for Bangladesh, the old termlandnext term usage maps produced in this survey will lend to both the development of sustainable old termurban landnext term usage planning determinations and besides for calculating possible hereafter old termchangesnext term in growing forms. Urbanization is one the most widespread anthropogenetic causes of the loss of cultivable old termlandnext term ( Lopez, Bocco, Mendoza, A ; Duhau, 2001 ) , habitat devastation ( Alphan, 2003 ) , and the diminution in natural flora screen. The transition of rural countries into old termurbannext term countries through development is presently happening at an unprecedented rate in recent human history and is holding a pronounced consequence on the natural operation of ecosystems ( Turner, 1994 ) . Although old termurbannext term countries presently cover merely 3 % of the Earth ‘s old termlandnext term surface, they have marked effects on environmental conditions at both local and planetary graduated tables ( [ Herold etA al. , 2003 ] and [ Liu and Lathrop, 2002 ] ) , including clime old termchangenext term ( Grimm, Grove, Pickett, A ; Redman, 2000 ) . Since ecosystems in old termurbannext term countries are strongly influenced by anthropogenetic activities, well more attending is presently being directed towards supervising old termchangesnext term in old termurban landnext term usage and old termlandnext term screen ( LULC ) ( Stow A ; Chen, 2002 ) . Such surveies are peculiarly of import because the spacial features of LULC are utile for understanding the assorted impacts of human activity on the overall ecological status of the old termurbannext term environment ( Yeh A ; Li, 1999 ) . LULC old termchangenext term due to human activities is presently continuing more rapidly in developing states than in the developed universe, and it has been projected that by the twelvemonth 2020, most of the universe ‘s mega metropoliss will be in developing states ( World Bank, 2007 ) . Increasing population in developing metropoliss has caused rapid old termchangesnext term in LULC and increased environmental debasement ( Holdgate, 1993 ) . The consequence of population is peculiarly relevant given that the planetary old termurbannext term population is proj ected to about duplicate by 2050 ( UN, 2008 ) . In order to extenuate the damaging effects associated with old termurbannext term growing on the environment and to keep optimum ecosystem operation ( Fang, Gertner, Sun, A ; Anderson, 2005 ) , spacial and temporal LULC forms, and the factors impacting these old termchangesnext term ( Serra, Pons, A ; Sauri , 2008 ) , are well of import in developing rational economic, societal and environmental policies ( Long, Tang, Li, A ; Heilig, 2007 ) . Bangladesh has experienced rapid old termurbannext term population growing in recent decennaries ; the population numbered 14.1 million in 1981, 22.5 million in 1991, 31.1 million in 2001 ( BBS, 2001 ) and 35 million in 2005 ( CUS, NIPORT, A ; MEASURE, 2006 ) . Rapid urbanisation has led to the transmutation of rural countries into developed countries, and it has been estimated that more than 809A km2 of agricultural old termlandnext term is converted to metropoliss, roads and substructure yearly ( BBS, 1996 ) . The lessening in agricultural activities, the largest sector of the Bangladeshi economic system, and the attendant loss of cultivated old termlandnext term is likely to lend to landlessness, nutrient deficits and endanger the economic system ( Ahmad, 2005 ) . Dhaka, the capital of Bangladesh, is expected to be the 3rd largest metropolis in the universe by 2020 ( World Bank, 2007 ) and the rapid old termurbannext term growing experienced by the metropolis in recent decennaries is one of the highest in the universe ( [ Islam, 1999 ] and [ Islam, 2005 ] ) . old termUrban expansionnext term of Dhaka was slow in the 1950s, but strong growing followed the independency of Bangladesh in 1971 ( Chowdhury A ; Faruqui, 1989 ) . The considerable growing observed in the population of Dhaka is thought to hold occurred in response to large-scale rural-previous termurbannext term migration, which has contributed, significantly to the increased rate of urbanisation ( Islam, 1996 ) . To day of the month, the environmental and socio-economic sustainability of Dhaka, which is indispensable for development planning, has received comparatively small attending. This has resulted in widespread environmental jobs across the metropolis, mostly stemming from unpla nned urbanisation, extensive old termurbannext term poorness, perennial episodes of implosion therapy, significant growing of slums, development of resources, and the misdirection of limited old termlandnext term resources ( Hasan A ; Mulamoottil, 1994 ) . Geographic Information Systems ( GIS ) and distant detection ( RS ) are powerful and cost-efficient tools for measuring the spacial and temporal kineticss of LULC ( [ Hathout, 2002 ] , [ Herold etA al. , 2003 ] , [ Lambin etA al. , 2003 ] and [ Serra etA al. , 2008 ] ) . Distant feeling informations provide valuable multi-temporal informations on the procedures and forms of LULC old termchange, following term and GIS is utile for function and analysing these forms ( Zhang etA al. , 2002 ) . In add-on, retrospective and consistent synoptic coverage from orbiters is peculiarly utile in countries where old termchangesnext term have been rapid ( Blodget, Taylor, A ; Roark, 1991 ) . Furthermore, since digital archives of remotely sensed informations provide the chance to analyze historical LULC old termchanges, following term the geographic form of such old termchangesnext term in relation to other environmental and human factors can be evaluated. Numerous old termchangenext term sensing methods have been developed to measure fluctuations in LULC utilizing satellite informations ( [ Coppin etA al. , 2004 ] , [ Lu etA al. , 2004 ] and [ Singh, 1989 ] ) . Of these techniques, the pre- and post-classification comparings have been extensively used ( [ Coppin etA al. , 2004 ] and [ Singh, 1989 ] ) . In the pre-classification attack, processs such as image differencing ( Toll, Royal, A ; Davis, 1980 ) , band rationing ( Nelson, 1983 ) , old termchangenext term vector analysis ( Johnson A ; Kasischke, 1998 ) , direct multi-date categorization ( Li A ; Yeh, 1998 ) , flora index differencing ( Townshend A ; Justice, 1995 ) and principle constituent analysis ( Fung A ; LeDrew, 1987 ; Hartter, Lucas, Gaughan, A ; Aranda, 2008 ) have been developed ( [ Hardin etA al. , 2007 ] , [ Jensen, 1996 ] and [ Singh, 1989 ] ) . The basic premiss of these processs is that old termchangesnext term in LULC consequence in differences in the pel c oefficient of reflection values between the day of the months of involvement. However, while these techniques are effectual for turn uping old termchange, following term they can non place the nature of old termchangenext term ( Ridd A ; Liu, 1998 ) . Conversely, post-classification comparings examine old termchangesnext term over clip between independently classified old termlandnext term screen informations. Despite the troubles associated with post-classification comparings ( [ Coppin etA al. , 2004 ] and [ Singh, 1989 ] ) , this technique is the most widely used for placing LULC old termchangesnext term ( [ Jensen, 1996 ] and [ Lu etA al. , 2004 ] ) , peculiarly in old termurbannext term environments ( Hardin etA al. , 2007 ) . However, one of the disadvantages associated with this attack is that the truth of the end point LULC old termchangenext term maps depends on the truth of the single categorization, intending that such techniques are capable to error extension ( Yuan, Sa waya, Loeffelholz, A ; Bauer, 2005 ) . However, such post-classification techniques are peculiarly utile for bring forthing ‘from-to ‘ maps ( Jensen, 1996 ) , which can be used to clear up the magnitude, location and nature of the old termchangesnext term shown ( Howarth A ; Wickware, 1981 ) . In add-on, the technique can be employed utilizing informations acquired from detectors with different spatial, temporal and spectral declarations ( [ Alphan, 2003 ] and [ Coppin etA al. , 2004 ] ) . RS is really effectual for exemplifying the interactions between people and the old termurbannext term environments in which they live ( Gatrell A ; Jensen, 2008 ) . Space-borne orbiter informations are peculiarly utile for developing states due to the cost and clip associated with traditional study methods ( Dong, Forster, A ; Ticehurst, 1997 ) , and these techniques have become feasible options to conventional study and ground-based old termurbannext term mapping methods ( Jensen, Hodgson, Tullis, A ; Raber, 2004 ) . Several surveies have demonstrated the pertinence of RS to developing sourcing information and for back uping decision-making activities in a broad scope of old termurbannext term applications ( [ Gatrell and Jensen, 2008 ] , [ Jensen and Cowen, 1999 ] and [ Zeilhofer and Topanotti, 2008 ] ) . In the country of old termurbannext term planning, of import RS research has been conducted to day of the month, peculiarly in old termurban changenext term analysis and the m old of growing ( [ Bahr, 2004 ] , [ Hardin etA al. , 2007 ] , [ Hathout, 2002 ] , [ Herold etA al. , 2003 ] , [ Jat etA al. , 2008 ] , [ Jensen and Im, 2007 ] , [ Liu and Lathrop, 2002 ] , [ Maktav and Erbek, 2005 ] , [ Ridd and Liu, 1998 ] , [ Yang, 2002 ] and [ Yuan, 2008 ] ) , LULC rating ( [ Alphan, 2003 ] , [ Lopez etA al. , 2001 ] , [ Xiao etA al. , 2006 ] , [ Yang and Lo, 2002 ] and [ Yuan etA al. , 2005 ] ) , and old termurbannext term heat-island research ( [ Kato and Yamaguchi, 2005 ] and [ Weng, 2001 ] ) . In peculiar, RS-based multi-temporal old termlandnext term use old termchangenext term informations provide information that can be used for measuring the structural fluctuation of LULC forms ( Liu, Gao, A ; Yang, 2003 ) , which can be applied to avoiding irreversible and cumulative effects of old termurbannext term growing ( Yuan, 2008 ) and are of import to optimise the allotment of old termurbannext term services ( Barnsley A ; Barr, 1996 ) . In add-on, accurate an d comprehensive old termlandnext term use old termchangenext term statistics are utile for inventing sustainable old termurbannext term and environmental planning schemes ( [ Alphan, 2003 ] and [ Jensen and Im, 2007 ] ) . It is hence really of import to gauge the rate, form and type of LULC old termchangesnext term in order to foretell future old termchangesnext term in old termurbannext term development. Small is known about the spacial and temporal dimensions of the LULC old termchangesnext term that have shaped the old termurban expansionnext term of Greater Dhaka. Although most developed states have both recent and extended LULC information, the comparative deficiency of geospatial informations or entree thereto, is prevailing in developing states, peculiarly in Bangladesh. For case, aerial exposure are classified for the populace. The metropolis does non hold any official statistics on old termlandnext term usage forms, and the Master Plans do non incorporate either a map or quantitative information on the bing forms of old termlandnext term usage in the metropolis ( [ Islam, 1996 ] and [ Islam, 2005 ] ) . The old termlandnext term usage forms of Greater Dhaka were officially categorized in 1991 utilizing land observation informations ( Flood Action Plan ( FAP ) 8A, 1991 and [ Islam, 2005 ] ) . Due to the easiness of entree and recent nature of nose count records, the local autho ritiess of Dhaka often use nose count informations to construe old termlandnext term use old termchanges.next term As a consequence, the kineticss of development are non clear and frequently deceptive ( Talukder, 2008 ) . Numerous factors, including fiscal restraints, restricted entree to informations, bureaucratism and deficiency of geospatial expertness in the planning bureaus account for the absence of historical and current old termlandnext term usage informations. Furthermore, every bit many as 18 ministries are involved in the development and planning of Dhaka, and there is a general deficiency of coordination between these organic structures ( Mohit, 1991 ) . This empirical survey will try to place the spatio-temporal form of LULC old termchangesnext term for Greater Dhaka utilizing geospatial informations so that both the scientific community and determination shapers can measure the assorted kineticss impacting LULC old termchangesnext term in this old termurbannext term en vironment. The aims of this survey were therefore to research the features of LULC old termchangesnext term and qualify the underlying drive forces in the Greater Dhaka country by doing usage of remotely sensed informations and socio-economic information. Specifically, the aims are: ( a ) to clarify and measure the LULC old termchangesnext term between 1975 and 2003 ; ( B ) to research the spacial and temporal features of old termurban expansionnext term in this period ; and ( degree Celsius ) to analyse the drive forces of old termlandnext term use old termchange and urban expansion.next term Study country As shown in Fig.A 1, the survey country of Greater Dhaka is located in the centre of Bangladesh between 23A °68aˆ?N ( BTM 533233.91A m ) , 90A °33aˆ? E ( BTM 619052.83A m ) and 23A °90aˆ?N ( BTM 550,952.57A m ) , 90A °50aˆ? E ( BTM 642511.56A m ) , severally. Topographically, the country is level with a surface lift runing from 1 to 14A m ( Fig.A 1 ) , with most old termurbannext term countries located at lifts runing from 6 to 8A m ( FAP 8A, 1991 ) . The metropolis is situated chiefly on an alluvial patio, popularly known as the Modhupur patio dating from the Pleistocene period. The survey country is surrounded by four major river systems: the Buriganga, Turag, Tongi and the Balu, which flow to the South, west, north and east, severally. These rivers are chiefly fed by local rainfall and besides receive overflow from the well larger Ganges, Brahmaputra and Meghna rivers. The metropolis has a humid sub-tropical monsoon clime and receives about 2000A millimeter s of rainfall yearly, more than 80 % of which falls during the monsoon season from June to September. Life-size image ( 137K ) – Opens new window Life-size image ( 137K ) Fig.A 1.A Location of survey country. River webs, embankment and administrative units are draped over a digital lift theoretical account. Brightest countries represent higher lift ; bright grey represents average lift while dark pels show the lowest lift. Position Within Article The happening of heavy monsoon rainfall combined with floodwater overflow from the rivers environing the metropolis mean that Dhaka is really prone to monsoon implosion therapy. The metropolis has experienced a figure of lay waste toing inundations in recent times, with the inundations in 1988, 1998 and 2004 being the most terrible ( Alam A ; Rabbani, 2007 ) . Quantitative appraisals of the countries inundated by these flood events revealed that in 1988, 47.1 % of greater Dhaka were flooded, while in 1998 and 2004, about 53 % and 43 % countries were inundated ( [ Dewan etA al. , 2007 ] , [ Dewan and Yamaguchi, 2008 ] and [ Dewan etA al. , 2006 ] ) . The inundations caused harm to lodging and substructure amounting to US $ 2.2A m in 1988, 4.4A m in 1998 and 5.6A m in 2004 ( Ahmed, Gotoh, A ; Hossain, 2006 ) . The badness of inundation harm was considerable, even in 2004, which was considered more moderate of the three inundations, and which was believed to be the consequence of hapl ess old termurbannext term planning and renewal and development of natural countries, such as wetlands and low-lying countries, that would otherwise hold attenuated the implosion therapy. A survey utilizing hydrological record and RS-based LULC information has shown that inundation continuance and extent has increased well as a consequence of the extended old termurbannext term development on Lowlandss and flood plains of natural river channels ( Dewan A ; Yamaguchi, 2008 ) . It has been suggested that the exposure of Dhaka to deluge harm will increase due to continued unplanned old termurban expansionnext term ( Faisal, Kabir, A ; Nishat, 1999 ) and the consequence of clime old termchangenext term ( Alam A ; Rabbani, 2007 ) , and that these in bend will increase the agony to the dwellers of Dhaka and do extended harm to belongings in the part. Data and methodological analysis Data acquisition and readying Landsat informations ( MSS, TM and ETM+ ) were acquired and used to measure LULC old termchanges and urban expansionnext term in Dhaka. Geometric rectification was performed on all the images utilizing a Landsat TM image of the same country from 1997 as mention. At least 45 land control points ( GCPs ) were used to register the images to the Bangladesh Transverse Mercator ( BTM ) system. GCPs were dispersed throughout the scene, giving a RMS mistake of less than 0.5 pels. A first order multinomial tantrum was applied and images were resampled to 30A m end product pels utilizing the nearest neighbour method. All brooding sets were used in image categorization and the thermic set was excluded. In add-on, geospatial informations including municipal boundaries, route webs, geomorphic units and lift units were used to bring forth GIS beds from beginnings such as Survey of Bangladesh ( SOB ) topographical maps ( sheet no. 79 I 5 A ; 6 ) , municipal boundary map and geomorphic map ( Asaduz zaman, Nasreen, A ; Olsen, 1999 ) . Multi-year socio-economic informations were obtained from Bangladesh Bureau of Statistics ( BBS ) and published literature ( [ Islam, 1996 ] , [ Islam, 2005 ] and [ Siddiqui etA al. , 2000 ] ) . Reference informations, which varied given the retrospective nature of the survey ( Table 1 ) , were used for both developing country choice and for the rating of map truth. In add-on to utilizing high-resolution imagination, intensive fieldwork was conducted in the survey country from 6 February to 22 March 2003 to roll up land truth information for the analysis of the 2003 image. A hardcopy false colour composite ETM+ ( RGB 432 ) image picturing different LULC types was used in the field to place bing old termlandnext term screen characteristics, with particular attending given to spectrally similar characteristics. Based on this fieldwork, a land truth map was prepared for turn uping preparation pels on the image and 200 mention informations points were collected utilizing a planetary placement system ( GPS ) . This GPS information was so overlaid with the image in GIS to choose developing countries and for accuracy appraisal ; 100 of the GPS points were used for trying and the ot her 100 were used for measuring the truth of the categorization. Table 1. Different informations types used in this survey. Sl. No. Type of informations used Scale/resolution Year 1 Survey of Bangladesh topo-sheets 1: 50,000 1973, 1991 2 CUS old termlandnext term usage map 1: 10,000 1975 3 FAP 8A old termlandnext term usage map 1: 10,000 1991 4 Landsat MSS image 79A m 1975 5 SPOT Pan image 10A m 1989/90 6 Landsat TM image 28.5A m 1992 7 Landsat ETM+ image 28.5A m 2003 8 IKONOS Pan image 1A m 2003 9 Municipal boundary informations 1: 50,000 2001 10 Geomorphic map 1: 25,000 1999 11 Drain map 1: 25,000 2000 12 City Guide Maps 1: 20,000 1991, 2002 13 Socio-economic informations Annually and decadala 1973-2005 Full-size tabular array aA Census records. Position Within Article Image categorization A alteration of the Anderson Scheme Level I method was used to measure LULC old termchangesnext term in this survey ( Anderson, Hardy, Roach, A ; Witmer, 1976 ) . Specifically, extra factors such as the major old termlandnext term usage classs within the survey country and differences in the spacial declaration of the images, which varied from 30 to 79A m, were considered in planing the categorization strategy. Six separate LULC types were identified: H2O organic structures, wetlands/lowlands, built-up countries, cultivated old termland, following term flora and bare soil/landfill ( Table 2 ) . Table 2. old termLandnext term use/cover categorization strategy. old termLandnext term use/Cover Types Description Built-up Residential, commercial and services, industrial, transit, roads, assorted old termurban, following term and other old termurbannext term Bare soil/landfill sites Exposed dirts, landfill sites, and countries of active digging Cultivated old termlandnext term Agricultural country, harvest Fieldss, fallow old termlandsnext term and vegetable old termlandsnext term Vegetation Deciduous forest, assorted forest old termlands, following term thenars, conifer, chaparral and others Water organic structures River, lasting unfastened H2O, lakes, pools and reservoirs Wetland/lowlands Permanent and seasonal wetlands, low-lying countries, marshy old termland, following term rivulets and gully, swamps Full-size tabular array Position Within Article All orbiter informations were studied utilizing spectral and spacial profiles to determine the digital Numberss ( DNs ) of different LULC classs prior to categorization. Training samples were selected from the mention informations and accessory information ( Table 1 ) . Sixty to seventy preparation sites, runing in size from 286 to 7800 pels, were used to develop the images. Training samples included 5-10 subclasses for each category except for bare soil/landfill. The preparation samples were so refined, renamed, merged, and deleted after rating of the category histogram and statistical parametric quantities. A supervised upper limit likeliness categorization ( MLC ) algorithm, antecedently demonstrated to obtain the best consequences from remotely sensed informations if each category has a Gaussian distribution ( Bolstad A ; Lillesand, 1991 ) , was so applied to each image. However, several of the categories were falsely classified in the supervised categorization of LULC, with certain old termurbannext term colonies being misclassified as landfill sites due to their holding similar spectral features. Similarly, the wetland category was merged with the lowland category as it was non possible to divide them due to similar spectral belongingss, and the wetland/lowland class and cultivated old termlandnext term were besides falsely classified. Post-classification polish was hence used to better the truth of the categorization as it is a simple and effectual method ( Harris A ; Ventura, 1995 ) . In add-on, since the old termurbannext term surface is heterogenous and composed of a complex combination of characteristics ( e.g. edifices, roads, grass, trees, dirt, H2O ) ( Jensen, 2007 ) , assorted pels are a common job when utilizing medium-spatial declaration informations such as Landsat ( Lu A ; Weng, 2005 ) . The job of assorted pels was addressed in several ways. For illustration, thematic information ( e.g. H2O organic structures, flora, and bare dirt ) was foremost extracted from the Landsat informations utilizing the V-S-W index ( Yamagata, Sugita, A ; Yasuoka, 1997 ) , before a rule-based technique utilizing thematic information and GIS informations ( e.g. DEM, municipal maps and H2O organic structures, etc. ) was employed in ERDAS spacial modeller to rectify antecedently misclassified old termlandnext term screen c lasss. Although this rule-based technique greatly improved the MLC categorization, some misclassification between wetland and cultivated old termlandsnext term was still observed, chiefly because of the geographical adjacency of these classs. GIS tools, such as Area of Interest ( AOI ) were so applied to the informations utilizing ocular analysis, mention informations, every bit good as local cognition, to divide and recode these screens so that they more closely reflected their true categories. By using these techniques, the consequence obtained utilizing the supervised algorithm could be well improved. Finally, to cut down the salt-and-pepper consequence, a 3A A-A 3 bulk filter was applied to the classified old termlandnext term screens ( Lillesand A ; Kiefer, 1999 ) . Accuracy appraisal By and large, categorization truth refers to the extent of correspondence between the remotely sensed informations and mention information ( Congalton, 1991 ) . In order to measure the truth of old termlandnext term screen maps extracted from Landsat informations, a sum of 125 graded random pels were generated for the 1975 and 1992 informations and 100 pels for the 2003 old termlandnext term screen map. Accuracy appraisal of the LULC maps was so performed utilizing field informations and the geographical characteristics on old termlandnext term usage maps, high-resolution images, and SOB topographic maps, and the consequences were recorded in a confusion matrix. A non-parametric Kappa trial was besides used to mensurate the categorization truth as it accounts for all the elements in the confusion matrix instead than merely the diagonal elements ( Rosenfield A ; Fitzpatirck-Lins, 1986 ) . The entire truth of the Landsat-derived LULC information was 85.6, 89.6 and 90 % with matching Kappa statistics of 82.7, 87.5 and 87.9 % for MSS, TM and ETM+ , severally, confirming the standard truth of 85-90 % for LULC mapping surveies as recommended by Anderson etA Al. ( 1976 ) . The application of rule-based post-classification polish was found to be effectual and improved truth by 10-12 % . The MSS image had the lowest overall truth, which may be due to its harsh spacial declaration ( Haack, 1987 ) . Yang and Lo ( 2002 ) besides noted that the jobs associated with right sorting assorted pels additions with diminishing image declaration, ensuing in spectral confusion. In this survey, spectral confusion was higher in the MSS image than in the TM/ETM+ images. old termChangenext term sensing This survey employed the post-classification old termchangenext term sensing technique, which is efficient in observing the nature, rate and location of old termchanges, following term and has been successfully used by a figure of research workers in the old termurbannext term environment ( Hardin etA al. , 2007 ) . An overlay process utilizing the GIS was adopted in order to obtain the spacial old termchangesnext term in LULC during three intervals: 1975-1992, 1992-2003 and 1975-2003. Application of this technique resulted in a bipartisan cross-matrix, depicting the chief types of old termchangenext term in the survey country. Cross tabular matter analysis on a pixel-by-pixel footing facilitated the finding of theA measure of transitions from a peculiar old termlandnext term screen category to other old termlandnext term usage classs and their corresponding country over the period evaluated. A new thematic bed incorporating different combinations of â€Å" from-to † old termc hangenext term categories was besides produced for each of the three six-class maps. LULC old termchangesnext term and kineticss of old termurban expansionnext term Spatial forms of LULC old termchangesnext term in the Greater Dhaka country for 1975, 1992 and 2003 are shown in Fig.A 2. In 1975, lowlands, cultivated countries and H2O organic structures were the dominant old termlandnext term usage types, and the way of old termurban expansionnext term ( herein referred to as the built-up class ) was northerly. In 1992, the built-up class replaced most of the H2O organic structures and depressions within the metropolis every bit good as the cultivated old termlandnext term along the peripheral zone. Surveies of historical maps and the available literature suggest that the depressions and H2O organic structures within the metropolis disappeared comparatively rapidly after independency as countries were developed for residential, commercial, academic and concern intents ( Siddiqui etA al. , 2000 ) . Between 1975 and 1992, when route transit from Dhaka to the backwoods was improved by the building of Bridgess over the rivers ( Islam, 1996 ) , old ter murban expansionnext term extended further to the North, north-west and to the West. Consequently, the country of cultivated old termlandnext term and H2O organic structures declined markedly during the period 1975-1992 ( Louis Berger A ; BCL, 2005 ) . In 2003, the forms of LULC old termchangenext term revealed that Dhaka started to spread out in all waies, chiefly at the disbursal of vegetated and wetland/lowland countries. The rate of old termurbannext term invasion ( Fig.A 2 ) on other old termlandnext term utilizations increased significantly following the readying of a new Master Plan in 1995 and the development of substructure ( Siddiqui etA al. , 2000 ) . The building of a span over the Buriganga River accelerated old termurban expansionnext term in the southern and northwesterly waies. The spacial distribution of the exposed soil/landfill class is besides seeable in the maps produced ( Fig.A 2 ) , clearly exemplifying the transmutation of lowland countries to landfills on t he outskirts of Dhaka. Life-size image ( 292K ) – Opens new window Life-size image ( 292K ) Fig.A 2.A Classified old termlandnext term use/cover maps of Greater Dhaka in 1975, 1992 and 2003. Position Within Article Three sectors, viz. the populace, private, and individual-household sectors, are responsible for all of the old termlandnext term developments in Dhaka. Most of the old development undertakings were undertaken on an ad hoc footing by the populace sector, chiefly in countries that were antecedently used for agribusiness and that were free from flood ; illustrations of such developments include Gulshan Model Town, Banani, Uttara Model Town and Dhanmondi ( Chowdhury, 2003 ) . In recent old ages, belongings development has proliferated in Dhaka, and belongings developers have developed both wetlands and agricultural countries without any consideration of the attendant environmental costs. In add-on, single families have started to develop the peripheral countries ( Islam, 1996 ) . In the fieldwork conducted in this survey, old termlandnext term guess was observed to hold had a pronounced influence on the development of suburban countries. In response to increasing old termlandnext term m onetary values and turning demand for lodging, Lowlandss and agricultural countries in the periphery zone are quickly going built-up by the person and belongings developers. While suburban development is a really complex procedure that is known to be influenced by a assortment of factors, including guess and old termlandnext term monetary values, these factors may non adequately explicate the procedure of suburban development in the survey country. A more elaborate survey is hence required in order to understand the assorted factors act uponing suburban development in the greater Dhaka country. Furthermore, hapless coordination among executive bureaus is besides responsible for the decrease observed in natural resources in the survey country. For illustration, in the Dhaka-Narayangonj-Demra ( DND ) undertaking, despite about 6000A hour angles being set aside for agricultural production in the 1960s, the country has been used by local and migratory people for residential intents sinc e 1990s without any blessing from the governments concerned. Cases such as this illustrate the deficiency of effectual coordination among the organisations involved in the planning and development of Dhaka. Analysis of the LULC old termchangesnext term in Dhaka over clip revealed a considerable addition in the built-up countries over the survey period ; built-up countries increased by 6132A hour angle between 1975 and 1992, which is an norm of more than 360A haA yra?’1. Similarly, built-up countries increased in size by 4422A hour angle from 1992 to 2003, more than 400A haA yra?’1, and the net addition of old termurbannext term countries over the survey period was 10554A hour angle ( Table 3 ) . When compared with other metropoliss in the part, such as Ajmer City in India, the rate of the old termurban expansionnext term in Ajmer City was 29.2A haA yra?’1 over the period 1977-1989 and 32.4A haA yra?’1 from 1989 to 2002 ( Jat, Garg, A ; Khare, 2008 ) . Although urbanisation is by and large related to demographic old termchangenext term and economic growing ( Li, Sato, A ; Zhu, 2003 ) , the nature of old termurban expansionnext term in the survey country may besides be associated with other factors such as topography, old termlandnext term usage, and transit. Close scrutiny of the old termchangenext term sensing statistics revealed that about 6132A hour angle of the urbanised country in Dhaka were antecedently either agricultural countries or H2O organic structures between 1975 and 1992. Conversely, 4422A hour angle of the freshly urbanized countries were antecedently flora or wetlands during the same period. By and large, two factors were observed to hold promoted old termurbannext term growing: ( 1 ) increased economic activity associated with the constitution of economic zones ( e.g. export treating zone ) and ( 2 ) redefinition of the metropolitan country. Between 1975 and 1992, reclassification of old termurbannext term countries every bit good as infrastructural development played a important function in the old termexpansion of urbannext term countries. For case, the nor’-west and southerly old termexpansionnext term of th e metropolis occurred in response to building of a inundation embankment in 1992 ( Fig.A 1 ) and a span on the Buriganga River in 2001. The spacial features of built-up countries have besides been shaped by the building of a figure of transit paths in the same period, as understood from historical map analysis and field visit. The old termexpansionnext term to the E and nor’-east led to the development of unplanned suburbs in the Lowlandss and agricultural countries that were antecedently located in those countries. Table 3. Consequences of old termlandnext term use/previous termlandnext term screen categorization for 1975, 1992 and 2003 images demoing country of each class, category per centum and country changed. old termLandnext term use/cover types 1975 1992 1975-1992 country changed ( hour angle ) 2003 1992-2003 Area changed ( hour angle ) Area ( hour angle ) % Area ( hour angle ) % Area ( hour angle ) % Water organic structures 2976.1 7.2 2492.8 6.0 a?’483.3 2050.9 4.9 a?’441.9 Wetland/lowlands 13155.1 31.7 11646.8 28.0 a?’1508.3 9124.0 22.0 a?’2522.8 Cultivated old termlandnext term 12040.8 29.0 7934.3 19.1 a?’4106.5 8466.6 20.4 532.3 Vegetation 6585.2 15.8 5686.7 13.7 a?’898.6 3992.2 9.6 a?’1694.4 Built-up 5550.5 13.4 11682.4 28.1 6131.9 16104.6 38.7 4422.2 Bare soil/landfill 1256.2 3.0 2121.0 5.1 864.8 1825.7 4.4 a?’295.4 Entire 41564 100 41564 100 41564 100 Full-size tabular array Position Within Article The GIS analysis besides revealed that the country occupied by H2O organic structures decreased by 16.2 % , wetlands by 11.5 % , cultivated old termlandnext term by 34.1 % , and flora by 13.6 % between 1975 and 1992. Another important old termchangenext term was the diminution in wetlands and flora from 1992 to 2003. In 1992, wetlands and flora occupied 28 % and 13.7 % of the entire survey country, but by 2003, these countries had declined to 21.7 % and 5.5 % , severally. Conversely, built-up countries increased in size by 37.9 % in the period from 1992 to 2003. A little addition in cultivated old termlandnext term ( 6.7 % ) was besides observed in this period. The diminution of flora and wetlands was clearly due to intensification of old termurbannext term development in the greater Dhaka country, peculiarly through the procedure of suburban development. As shown in Table 4, there has been a pronounced old termchangenext term in LULC over the 28-year survey period. Table 4. Major old termlandnext term use/cover transitions from 1975 to 2003. ‘From category ‘ ‘To category ‘ 1975-1992 Area ( hour angle ) 1992-2003 Area ( hour angle ) Water organic structures Built-up 655.7 269.5 Bare soil/landfill 71.4 82.7 Wetland/lowland Built-up 660.0 1414.7 Cultivated old termlandnext term 2007.8 2743.6 Bare soil/landfill 416.8 492.5 Cultivated old termlandnext term Built-up 3944.3 2309.0 Bare soil/landfill 794.7 391.8 Vegetation Built-up 1725.1 1069.1 Cultivated old termlandnext term 932.4 1387.5 Bare soil/landfill 333.7 287.3 Bare soil/landfill Built-up 453.8 1047.4 Full-size tabular array Position Within Article The post-classification comparing of old termchangenext term sensing was carried out utilizing GIS, bring forthing old termchangenext term maps for understanding the spacial form of old termchangenext term between old ages ( Fig.A 3 ) . Table 4 shows a sum-up of the major LULC transitions, viz. ‘from-to ‘ information, which occurred during the survey period. As indicated, the bulk of old termurban landnext term was acquired by change overing countries that were antecedently agricultural old termland, following term flora, H2O organic structures or low-lying countries, proposing the being of increased force per unit area on natural resources in Greater Dhaka to run into the increasing demand for old termurban land.next term Life-size image ( 247K ) – Opens new window Life-size image ( 247K ) Fig.A 3.A Major old termlandnext term use/conversions in Greater Dhaka ( a ) 1975-1992 ( B ) 1992-2003. Position Within Article The survey revealed that the old termurban expansionnext term in Dhaka has been comparatively rapid and has resulted in widespread environmental debasement. The procedure of old termurban expansionnext term in Dhaka was observed to change markedly over the old ages examined in this survey ; specifically, the metropolis expanded by 6131.9A hour angle during the 17-year period from 1975 to 1992 and 4422.2A hour angle in the 11-year period from 1992 to 2003. Landsat images revealed that old termurban expansionnext term in two periods examined in this survey did non happen equally in all waies ; new developments were observed along the fringe of old termurbannext term countries every bit good as in the countries that had already been urbanized. The rapid gait of urbanisation in Dhaka means that it has non been possible for the municipal authorities to supply basic old termurbannext term comfortss to the population, which has led to a broad scope of environmental jobs. For illustration, old termurbannext term development facilitated by old termlandnext term filling has been shown to hold a negative impact on natural home ground and biodiversity ( [ Alphan, 2003 ] and [ Dewidar, 2002 ] ) . Vulnerability to temblor related jeopardies has besides increased since a major part of Dhaka ‘s recent development has taken topographic point in landfill sites ( Kamal A ; Midorikawa, 2004 ) . In southern Dhaka, landfills have contributed to dirt y pollution, ensuing in reduced flora ( Khatun A ; Hoque, 1994 ) . Uncoordinated urbanisation and the creative activity of landfill sites have intensified the extent of flood in the metropolis during the moisture season ( Alam A ; Rabbani, 2007 ) , which is peculiarly critical in the western parts of Dhaka ( Maathuis, Mannaerts, A ; Khan, 1999 ) . Flood hazard potency has been elevated due to continued infilling of H2O organic structures, wetlands and low-lying countries ( Dewan A ; Yamaguchi, 2008 ) . In add-on, the speed uping growing of slums is impacting the metropolis ‘s physical and human environment. Harmonizing to CUS etA Al. ( 2006 ) , the slum population of Dhaka ( about 37 % of the metropolis ‘s population ) has doubled in a decennary, to make 3.4 million in 2006 from 1.5 million in 1996. The environment of these informal colonies is highly unhygienic as they are in close propinquity to solid waste mopess, unfastened drains and cloacas, embankments, and al ong railroad lines ( Islam, 1999 ) . Consequently, the people populating in slums are highly vulnerable to inundations ( Rashid, 2000 ) and they besides suffer from an acute deficit of drinkable H2O ( Akbar, Minnery, Horen, A ; Smith, 2007 ) . Driving forces analysis LULC old termchanges and urban expansionnext term of Greater Dhaka is governed by a combination of geographical, environmental and socio-economic factors. Although population growing is the primary cause for rapid urbanisation, the part of other causes such as economic development and physical factors besides needs to be assessed. To measure the mechanisms underlying the old termchangesnext term in LULC and subsequent old termurban enlargement, following term we performed a arrested development analysis of built-up countries utilizing selected physical and socio-economic variables ( lift, incline, population and GDP ) , and presented the consequences in Table 5. old termUrbannext term country informations were extracted from one-year BBS statistics since RS informations merely cover three old ages. To analyze the effects of incline and lift on old termurban enlargement, following term average values of incline, and lift of both developed and developing countries in the metropolis wer e calculated from a digital lift theoretical account. Socio-economic informations, such as population and GDP values were obtained from the decadal and annually one-year tabular arraies of the Bangladesh Bureau of Statistics ( Table 1 ) . Table 5. Regression analysis of factors underlying old termurban expansion.next term Driving factors Coefficients Robust criterion mistake T pA gt ; A |t| Population 1.776 0.633 2.808 0.019 GDP 0.0001 0.000 4.730 0.001 Elevation 0.549 0.295 1.861 0.092 Slope 0.028 0.057 0.494 0.404 Changeless a?’5.058 5.811 a?’0.870 0.404 Full-size tabular array R2A =A 0.947 ; ( ProbA gt ; A FA =A 0.000 ) ; Dependent variable: Built-up country. Position Within Article Census informations indicate that the old termurbannext term population of Dhaka was merely 0.34 million in 1951, increasing to 2.6 million in 1974 with an one-year growing rate of 9.32 % during 1961-1974 ( Islam, 1999 ) . By 1981, the population had reached 3.44 million. The population reached 6.92 million in 1991 and 10.7 million by 2001 ( BBS, 2001 ) . Presently, the population of Dhaka is more than 12 million with an one-year mean growing of 5 % , compared to the national growing of 2.1 % ( Bangladesh Bureau of Statistics ( BBS ) , 2005 and [ The World Bank, 2007 ] ) . The rapid growing of the old termurbannext term population has chiefly resulted from rural-previous termurbannext term migration and estimates show that more than 60 % of people in Dhaka have migrated from rural countries ( Islam, 1991 ) . Intelligibly, this addition in the population had the consequence of increasing force per unit area on the limited resource-base, and significantly contributed to the old termexp ansion of urbannext term countries by glade of natural flora and infilling of low-lying countries. Table 5 clearly shows that old termurban expansionnext term is positively related to population growing. Dhaka ‘s economic development is another factor that has contributed to rapid urbanisation. For illustration, Dhaka ‘s gross domestic merchandise ( GDP ) was about 11,312 million Taka1 in 1976, 129,665 million Taka in 1992 and 162,490 million Taka in 1995. Presently, the GDP of Dhaka is 354,240 million Taka and the metropolis ‘s portion of the national economic system is 19 % ( BBS, 2005 ) . The economic development associated with the roar in ready-made garments since the 1980s has had a important impact on old termexpansionnext term of the metropolis country. This economic activity has besides resulted in a big inflow of rural-previous termurbannext term migrators in the same period ( Islam, 1996 ) . In add-on, Dhaka supports more than 40 % of Bangladesh ‘s industry, farther suggesting that the economic development and industrialisation has led to a higher rate of old termurban expansion.next term The arrested development analysis revealed that GDP exercised positive effects on old termurban land expansionnext term ( Table 5 ) . As in other old termurbannext term centres, the way of old termurban expansionnext term in Dhaka has been extremely influenced by its physical scene, peculiarly its topography. The four major rivers, swamps and depressions within and around the metropolis have ever played a polar function in the development of built-up countries in the metropolis. Urbanization ab initio occurred in the elevated countries that were non affected by inundation. Once all the elevated places had been developed, the lifting demand of old termurban landnext term has been met by the transmutation of low-lying countries, vegetated countries and wetlands. The development of wetlands, for case, has led to a significant loss of natural resources and an addition in habitat debasement. The growing of belongings developers has accelerated invasion of old termurbannext term countries on wetlands and threatens biodiversity. Two geophysical indexs were used in the arrested development analysis ( Table 5 ) and found th at lift has major influence on old termurban expansionnext term while incline has non passed the important trial. Decisions This survey has assessed LULC old termchangesnext term and the kineticss of old termurban expansionnext term in Greater Dhaka, Bangladesh utilizing RS informations in concurrence with socio-economic variables. old termUrban expansionnext term was quantified for the last 28 old ages utilizing the post-classification comparing technique. Greater Dhaka was found to hold experienced rapid old termchangesnext term in LULC, peculiarly in built-up/previous termurbannext term countries. Analysis revealed that old termurbannext term countries increased by 6131A hour angle during 1975-1992 and 4422A hour angle from 1992 to 2003, which resulted in a significant decrease in the country of H2O organic structures, flora, cultivated countries and wetlands/lowland. The dramatic old termexpansion of the urbannext term countries of Dhaka exhibited clear spatio-temporal differences. The transition of H2O organic structures, flora and low-lying countries to old termurban landnext term has caused extende d and varied environmental debasement in the survey country, and the exposure to implosion therapy and the growing of slums have been the chief negative results associated with the rapid old termurbannext term development. old termUrban land expansionnext term has been mostly driven by lift, population growing and economic development. Integrated usage of GIS, RS and socio-economic informations could therefore be efficaciously used to understand the spatial and temporal kineticss of LULC old termchanges.next term The reading and categorization of RS informations were utile for gauging the rate and spacial form of the old termurban expansionnext term in Greater Dhaka of Bangladesh. As dependable and current informations are missing for Bangladesh, the old termlandnext term usage maps produced in this survey will lend to both the development of sustainable old termurban landnext term usage planning determinations and besides for calculating possible hereafter old termchangesnext term in growing forms.

Organisation structured by product and organisation which is organised Assignment

Organisation structured by product and organisation which is organised by function - Assignment Example is divided into three main divisions: lighters, pens and razors, and Hewlett Packard that is divided into five main divisions: image and printing group, personal system group, enterprise group, HP services and finally HP financial services (Biz/ed 2006 and Business case studies 2014). Each business structure has its advantages and disadvantages. Among the advantages of product structured business includes specialization, accountability and clarity. Specialization allows every division to focus and concentrate on one line of product that is its own work. Accountability is an advantage because the structure makes it clear who is responsible for that department. Clarity plays in where everybody knows not just their role but also the roles of others. On the other side organization structure by product has down sides. Among the downsides are communication, rigidity and coordination. Such a structure encourages closed communication that may lead to lack of focus. Due to the fact that departments are divided upon what they do, some may end up becoming resistant to change. This structure also makes coordination difficult as there is a big gap between the top and the bottom which may make coordination take too long (Biz/ed 2006). Structuring by function is simply done by dividing the organization into departments with similar specializations such as marketing, finance and accounts, human resources, and many others. The marketing department for instance will have marketers who are charged the responsibility to market the company’s products. This type of structure best suits companies that make standard goods and services in large quantities at prices that are considered low. Another characteristic is that they have a large degree of formalization that leads to reliance by each function on standardized way (Businessmate.org 2010 and). An example of a business with functional structure is ABC which has its departments divided into accounting department, corporate

Sunday, July 28, 2019

Teaching and learning strategies integration Research Paper

Teaching and learning strategies integration - Research Paper Example These strategies are classified under two categories: (1) Activity Based Strategies and (2) Cooperative Based Strategies. Furthermore, the last few sections of the paper will give an overview of the different learning style theories discussed by Jonnassen & Gabrowski (1993). This research hopes to gather information that will be instrumental for curriculum design and lesson delivery at USASMA. Field Trips/ Staff rides. One of the methods used to develop leadership among military officers involves visiting a historical site and applying the theoretical understanding of the technical lessons in class. The process is able to link a historical event, preliminary studies and actual terrain so students can construct battle analysis. â€Å"Revisiting battlefields in a thoughtful and structured way helps connect today’s officers to military history† (Stofft, 1998, p. 16). Prior to the trip, participants are given all the necessary information through lectures and classroom discussions. This is the preliminary study phase. In the field study phase, the participants relive what took place by following the course of action based on what they have learned. At certain points, selected individuals may be asked to play out some roles. The last phase is the integration phase where the facilitator contextualizes the battlefield at the present day issues and problems. Everyday, at least one staff ride is taking place signifying its importance as a teaching technique. Staff rides place the participants in the shoes of the decision makers in the past so they learn from historical data and use it as a guide for future reference. It is also considered as a legitimate preparatory training experience in national defense. Commanders who have undergone staff ride trainings reiterate the value of military history â€Å"in supplementing current doctrinal, operational, and technical

Saturday, July 27, 2019

Brown v Board of Education Research Paper Example | Topics and Well Written Essays - 3000 words

Brown v Board of Education - Research Paper Example Thus, public schools could achieve only limited success in integration of white and black students in desegregated schools. A study involving six communities and schools reveals that educators tried to convince the middle class white parents and students for desegregation so as to prevent them from moving out which would make the public schools economically unviable. At the same time, black students were often asked to leave their community schools by offering them bus facilities and such actions resulted in the closure of those black schools. (Wells, Holmes and Revilla). The policy makers tried to bring about color blindness in toto. It was to some extent achieved as stated by the authors â€Å"†¦.when several of the districts and schools we studied had seen a great deal of racial tension and even â€Å"rioting†. By the late 70s, a degree of clam had returned; not talking about race seemed the best way to â€Å"keep the peace† and â€Å"to keep the lid on things † (Wells, Holmes and Revilla 13). Major Claim   A Prejudice and unequal treatment Although schools were desegregated and students of color and whites started attending the same public schools, the administration put the black students in separate class rooms within the same schools. Their needs were often ignored (Wells, Holmes and Revilla). African Americans are over represented in special education The Individuals with Disabilities Education Act (IDEA)3 provides for free public education to students with disabilities. This special education efforts call for initiatives on the part of schools to have appropriate procedures to ensure that a child referred for special education is actually a child with... The paper tells that the Individuals with Disabilities Education Act (IDEA) provides for free public education to students with disabilities. This special education efforts call for initiatives on the part of schools to have appropriate procedures to ensure that a child referred for special education is actually a child with disability requiring special education. It is often the case that wrong cases of children are referred for special education. It is especially the case with African American students in many districts of the country. This results in a disproportionate representation of group membership for special education. Overrepresentation in special education is said to occur when the membership of a particular group, say African Americans is found to be larger than the percentage of that group in the overall educational system or within a given disability group. Such a variance is a cause for concern (Council For Exceptional Children and Black School Education). It has been contended that disproportionate representation of African American students in special education results due to inadequate/wrong allocation of educational resources, wrongful curriculum and pedagogy, and insufficient teacher preparation. The White privilege and racism is charged with referring disproportionate number of African American students for special education categories such as mental retardation and learning disabilities. Such students once labeled as such tend to show results in achievement gains and come out of special education at rates much higher than those of their counterparts in White students with disabilities.

Friday, July 26, 2019

Issues In International Business Essay Example | Topics and Well Written Essays - 2000 words

Issues In International Business - Essay Example With the expansion of the cross-cultural features in international business, cross-cultural communication and intercultural negotiation are identified as important considerations for conducting business operations (Okoro, 2013). Recently, working culture is considered an important factor for conducting operations sustainably. In this context, entrepreneurs are providing managers with few special tours to the targeted countries with the aim of providing training to understand the work culture of those countries. Respectively, in immigration, managers are required to possess cross cultural communication skills for conducting business operations with better sustainability. This type of global exposure enables the representatives of these companies to collect information about the cultural values and practices, so that working culture in those countries are based on the cultural principles practiced. Internationalization in the business field helps to inter-connect political policies and economic policies of the various countries with each other (Georgia Department of Education, 2008). The objective of the study is to describe the importance of the cultural factor in international business. In this context, the study highlights several cultural features in the business context of two countries that include Singapore and United Kingdom. The study will also discuss about the impact of culture on international business. The UK is often identified to be a rich country in terms of economic growth, business operations and culture. In the context of international business, the UK is popular for expansion of business and establishing relationship based culture in the business environment. There are several reasons for selection the UK as a host country for selecting as an appropriate location for international business. The main reason for selecting the UK as a host country to conduct

Thursday, July 25, 2019

Statistical analysis by michael cummins Essay Example | Topics and Well Written Essays - 1000 words

Statistical analysis by michael cummins - Essay Example ested whether there are significant differences among the overall job satisfaction of three departments, namely, Human Resources, Information Technology, and Administration. The results demonstrate that there is no significant difference among the three categories (F=1.74, p>.05). This means that they have more or less equal levels of overall job satisfaction. When tested by position, the results indicate that there is a significant difference between the two groups of full-timers and part-timers, with part-timers yielding a higher overall satisfaction level (t=2.34, p.05). This means that the three groups have more or less equal levels of overall job satisfaction. Gender. The results for gender that indicate no significant difference between the two gender groups are not supported by literature. The review of literature suggests that men are more satisfied at the workplace than women, mainly because of unequal treatment in the workplace. However, with work conditions being equal, women tend to be more satisfied at work than their male colleagues (www.coe.iup.edu). Age. A review of the relevant literature shows that most of the age-job satisfaction studies have concluded that there is some association between employee age and job satisfaction. Gibson and Klein (1970) have demonstrated an increase in satisfaction with age over all tenure levels in their sample. They discussed the age-satisfaction relationship in terms of changing needs, a mellowing process, and dynamic cognitive structures related to age. Siassi et al. (1975) presented higher levels of job satisfaction in workers over 40 than in those under 40, regardless of the

Wednesday, July 24, 2019

First Crusade Military Perspectives Essay Example | Topics and Well Written Essays - 1250 words

First Crusade Military Perspectives - Essay Example 72). At the beginning of 1113 A.C., Baldwin, the King of Jerusalem, raided into the seigniory of Damascus. Unable to oppose him single-handed, Toghtakin, the Lord of Damascus, invoked the assistance of Moudud of Mosul (Irwin 1998, p. 75). In July 1113 the combined forces of the Lords of Mosul, Damascus, Sinjar2, and Maridin marched into Palestine. In a battle near Tiberias, the Franks were routed with terrible loss, and a large number of them were drowned in the lake and in the Jordan. In June 11193 they were again defended at a place called al-Balat by Ilgazi, the Lord of Maridin. Even the Egyptians won some successes on the sea coast (p. 77). But the Crusaders had the whole of Europe at their back; the reinforcements which poured in for them from all parts of Christendom, the assasincation of Moudud, who was stabbed by a Batinia after the battle of Tiberias, and the division of the chiefs, all helped them to recover their grounds (p. 78). Sultan Muhammad died in 511 A.H., and this death was not without effect on the fortunes of the Muslims and Christians. He was succeeded in the over-lordship by his brother Sanjar, the last hero of a heroic race, and in the succession of his private dominions of his son Mahmud. In 516 A.H. Zangi obtained from Sultan Mahmud the city of Wasit as an appanage, and the post of Commissary4 at Basra. Four year later the government of Mosul and Upper Mesopotamia was conferred on him, with the title of Atabek ("Prince Tutor"5), and he was confirmed in this dignity by the letters patent of the Caliph (p. 80). In 1128 A.C., on the invitation of the people of Aleppo, who had suffered terribly from the depredations of the Crusaders6, he took possession of their city. Hamah followed the example of Aleppo (p. 81). The following year Zangi routed the Crusaders under the walls of al-Asarib, and captured the castle after a stout resistance. A short truce between Joscelin, the Count of Edessa, "the greatest demon of them all"7, enabled Zangi to take part in the inevitable civil was which broke out on the death of Sultan Mahmud (p. 85). Atabek Zangi did not long concern himself with the troubles in the East. His great work lay in Syria. The Crusaders were again in ferment; they had received large reinforcements from Europe, and had been joined by a Greek contingent under the personal command of the Emperor John Comnenus. They captured Buzaa, put the sword all the male inhabitants, and carried into captivity the women and children. They they marched upon Shaizar (Casarea), a day's journey from Hamah. The castle of Shaizar, the birthplace of Usamah8, was almost impregnable (Philip 2000). Usamah's works offer a mesmerizing counterpoint to Christian stories of their own conduct and the responses of their opponents. Actually, Usamah's amity with a number of the Franks set him aside to recover from revengeful insult, and his expressions on the inquisitive thoughts and behavior of the Franks remain a precious resource. Mystifying are the workings of the Maker, the Creator of everything! When one comes to relate cases about the Franks, he cannot but praised God

Tuesday, July 23, 2019

Mktg Essay Example | Topics and Well Written Essays - 500 words - 1

Mktg - Essay Example use of recycled material is a strategy that is environmentally friendly because it reduces the need to use natural resources such as petroleum for packaging purposes. Another environmentally friendly packaging strategy is to reduce the amount of packaging material used. Companies can use environmentally friendly raw materials in their packaging process. Firm can also utilize reusable containers. Packaging specifications determined by product density encourage shippers to tender loads in densities that make the best use of the equipment’s weight and volume capabilities. Carrier specifications for protective packaging reduce the likelihood of damage to products while they are being carried. A principle that I found surprising out of the 10 material handling principles discussed in the chapter is the life cycle cost principle. I did not realize that companies have to pay close attention to the useful life of the equipment used for packaging. A second principle that I found surprising was the automation principle. To me automation was a technique that was only used for production purposes. In a fragmented logistic structure logistic activities are managed in multiple departments throughout an organization. A unified logistic structure is different because the logistic functions are handled by a single department. The unified logistic structure is better positioned than the fragmented structure to achieve coordination among the various activities. Relevancy can be facilitated by developing mutually beneficial relationships with key customers. Responsiveness reflects the degree to which an organization can accommodate unique or unplanned customer requests. Flexibility is predicated on avoiding early commitment to an irreversible course of action. One asset related productivity concern involves space utilization, or the percent of available space that is actually being used. Excess capacity can be unproductive because it may result in the purchase of additional

Sunnyvale Foods Marketing Analysis Essay Example for Free

Sunnyvale Foods Marketing Analysis Essay Sunnyvale Foods is a brand of canned and frozen fruits and vegetables as well as condiments. While the firm has been around for over a hundred years, their profits have started to decline. From the statement given by the former president of Sunnyvale Foods, it can be deduced that the firm has a production oriented marketing concept. Rather than producing to meet a need, the firm is producing in anticipation of a need. Sunnyvale Foods focuses on mass marketing, aiming at â€Å"everyone† rather than target marketing a specific group (i. e. -busy families). The marketing mix is comprised of the â€Å"four P’s†: product, place, promotion, and price. The product is a line of 65 food items. The place is limited to chain supermarket stores limited by their ability to carry the entire line of 65 foods that the firm produces. Promotion of the firm as described in the case was vague but did mention sales promotion such as manufacturer’s coupons. The price is in the range of competitors but in today’s rushed society, many food brands don’t have the advantage of customer loyalty which results in losing customers to either the store brand or another brand that is offered on sale. The main competitive advantage of Sunnyvale Foods is the history of the business. Based solely on their 127 year old business, their name has become a reputable one. Their primary disadvantage is their vast line of products. By producing 65 different products, they lose advantages found in economies of scale. Also, by having a strict policy requiring stores that carry their product to carry all 65 items, they are given a disadvantage by limiting their potential retailer pool and complicating the process of resupplying inventory. To be stuck in the middle mean to be between differentiations, focus strategy, and cost leadership. While Sunnyvale Foods is focusing on one specific niche of the market, their differentiation is limited to various types of the same product rather than new products. Also, as stated in the case â€Å"no company in the industry has much effect on the price at which its products are sold. † The primary issue with Sunnyvale foods is that the firm is marketing for a production in a marketing company era. While the firm was very successful in years past, the market has changed and that needs to be recognized in their marketing strategy beginning with becoming a marketing oriented firm and finding a target market.

Monday, July 22, 2019

National origins Essay Example for Free

National origins Essay As a playwright Euripides always had a tendency to explore less popular tragic myths, or to look at uncommon versions of popular tragic tales, such as he did with Helen. In Ion however, Euripides takes this idea even further and totally rewrites the myth of Ion. According to Athenian Myth, Hellen was the eldest son of Deucalion and Pyrrha and he married the nymph Orseis, by whom he had three sons, Dorus, Aeolus and Xouthos. Dorus and Aeolus gave their names to the Dorian and Aeolians respectively, whilst Xouthos married the Athenian princess Kreousa, having two children with her before dying in exile in the northern Peloponnese. The first of these sons, Achaeus, returned to Thessaly, his fathers homeland, whilst the second son, Ion, was recalled to Athens where he died leading the Athenian forces against the Eleusians. His people were later driven from the Peloponnese and founded the Ionian colonies in the East. This is probably all the Athenians knew about the man named Ion, not much more than a name in their histories. Euripides however, presents a completely different story. Kreousa is the son of Erectheus, who sacrificed his other daughter to the gods on order to ensure a victory over King Eumolpus of Eleusis. Xouthos is a Thessalian, a son of Aeolus, and allied to Athens in a war against Chalcis, a town on the island of Euboea, and is married to Kreousa as a reward for his services to Athens. He then invents the story that Kreousa was raped by the God Apollo before she was married to Xouthos and gave birth to a child whom she abandoned in a cradle in a cave in the Long Rocks where Apollo had raped her. Apollo however, sent Hermes to rescue the child and take him to Delphi where he was raised by Apollos priestess and worked in the temple. This is all explained to the audience by Hermes, who also says that later the boy will be renamed Ion, so the audience know exactly who the boy is. Xouthos and Kreousa however, arriving at Delphi to ask Apollo for an oracle on why they can not have children, have no idea who the boy is. Xouthos is told by Apollo that when he leaves the temple the first person he meets will be his child. The first person he meets is the, as yet not renamed, Ion and Xouthos immediately explains to him what has happened and renames him Ion because he is the first person Xouthos met. Kreousa, unfortunately receives news of this from another source and reasons that Ion must be his son by another woman and the two of them are plotting to oust her and seize control of Athens. Therefore she concocts a plan to kill Ion and sends one of her slaves to poison him at the feast Xouthos is planning. Ion is saved, fortunately, due to Apollos intervention and he learns that it was Kreousa trying to kill him. He chased her to Apollos altar where she took sanctuary. Ion shouted that he would kill her and, hearing this, Apollo sends the Pythia out to show Ion the c radle he was brought to Delphi in. Kreousa recognises the cradle and realises that Ion is her son, then proves this by telling Ion correctly what is still in the cradle. Ion, Kreousa and Xouthos then return to Athens. This story is not created entirely by Euripides, it is a familiar story of a child of a royal family, raised abroad for whatever reason, and meeting his parents without recognising them. This is very similar to the stories of Oedipus Rex, in Sophocles play, Cyrus, and several other mythological Greek figures. The plot development is also very similar to his other plays, especially Electra and Helen. The plays involve lost siblings, mother / son, father / daughter, husband / wife etc who meet after a separation of many years and fail to recognise each other. Usually after they recognise each other but sometimes before there is usually a plot to kill those who they feel are in the wrong or to escape to some safe place. Ion is unusual in this since the Kreousa is plotting to kill Ion, whom she has not yet recognised, but abandons her plot when she realises who he is. The story Hermes tells at the beginning of the play about the rape of Kreousa by Apollo, and the life of the young Ion is told in such a manner that it recalls many of the foundation myths of Athens. The first of these is the myth of Cecrops, first King of Athens. He was said to be, autochthonus (which translates literally as born of the very earth), and half man half snake. Secondly, the myth of Ericthonius who was also believed to be autochthonus and given, in a chest, to the daughters of Cecrops to guard by Athene with strict instruction not to look inside. The daughters did and were driven insane by what they saw, reputedly either half man half snake like Cecrops or possibly even fully snake. Thirdly Erectheus was the son of Pandion, the son of Ericthonius and the nymph Praxithea.

Sunday, July 21, 2019

History And Introduction Of Binary Trees English Language Essay

History And Introduction Of Binary Trees English Language Essay Tree is a data structure usually use in math concept can be seen as a graph. The data structure or graph are suited each other as the data structure does not only contain elements but the connection of the elements too. History of Tree was prevented by Cayley in 1857 (100 years before Malaysia got the independence). Cayley was the first man study about Tree then continues by Mckay. He discovers the vertices in database of tree into18 vertices and Royle maintains up to 20 vertices. Nowadays all their effort grant us to a lot of things we use the Tree concept in our daily live and the uses of Tree is very useful in science computer. A Tree is a set of line segment with all of the elements is connected whether left or right. We specified it into binary tree which is the concept of single parent (root or parent nodes) with at least 1 child (child nodes). Further study on binary tree is a full binary tree which meant that every root must have two nodes located left and right of the root. The entire tree is a bipartite graph. The connection point is called fork and the segment is called branches. That is a little bit about tree and we will learn more in next pages. Tree had become useful in our daily life. We can connect each data that we have to solve mathematic problems. We also had done a research on the application of binary tree in our daily life and their uses in science computer to develop well us as science computer student. Binary Tree Full Binary Tree TYPES OF BINARY TREE There are several types of binary tree. Two of them are stated as previous page and here are other types of binary tree: A rooted binary tree is a tree with a root node in which every node has at most two children. A full binary tree (sometimes called as proper binary tree or 2-tree or strictly binary tree) is a tree in which every node other than the leaves has two children. A perfect binary tree is a full binary tree in which all leaves are at the same depth or same level. (This is ambiguously also called a complete binary tree.) A complete binary tree is a binary tree in which every level, except possibly the last, is completely filled, and all nodes are as far left as possible. An infinite complete binary tree is a tree with levels, where for each level d the number of existing nodes at level d is equal to 2d. The cardinal number of the set of all nodes is. The cardinal number of the set of all paths is. The infinite complete binary tree essentially describes the structure of the Cantor set; the unit interval on the real line (of cardinality) is the continuous image of the Cantor set; this tree is sometimes called the Cantor space. A balanced binary tree is where the depth of all the leaves differs by at most 1. Balanced trees have a predictable depth (how many nodes are traversed from the root to a leaf, root counting as node 0 and subsequent as 1, 2, , depth). This depth is equal to the integer part of log2 (n) where n is the number of nodes on the balanced tree. Example 1: balanced tree with 1 node, log2 (1) = 0 (depth = 0). Example 2: balanced tree with 3 nodes, log2 (3) = 1.59 (depth=1). Example 3: balanced tree with 5 nodes, log2 (5) = 2.32 (depth of tree is 2 nodes). A rooted complete binary tree can be identified with a free magma. A degenerate tree is a tree where for each parent node, there is only one associated child node. This means that in a performance measurement, the tree will behave like a linked list data structure. PROPERTIES OF BINARY TREE After we had study the types of binary tree, now we need to study the properties for each types of binary tree. Perfect binary tree required this formula to find the number of nodes that is n  = 2h  + 1  Ãƒ ¢Ã‹â€ Ã¢â‚¬â„¢ 1  where  h  is the height of the tree and this formula n  = 2L  Ãƒ ¢Ã‹â€ Ã¢â‚¬â„¢ 1  where  L  is the number of leaf nodes in the tree. Nodes in Complete binary tree have a different formula that is minimum:  n  = 2h  and maximum:  n  = 2h  + 1   1 where  h  is the height of the tree. The number of NULL LINK is (n+1) and the leaf nodes in Complete binary tree is (n  / 2). Non-empty binary tree have different formula n0  leaf nodes and  n2  nodes of degree 2,  n0  =  n2  + 1. Thus n = n0  + n1  + n2  + n4  + n3  + n5  +. + nB-1  + nB and to find B is, B = n 1, n = 1 + 1*n1  + 2*n2  + 3*n3  + 4*n4  + + B*nB, NOT include n0. TRAVERSAL If one dimensional array was compared with data structures like link list, which have an official method of traversal, tree structures can be traversed in many ways. There three main steps that can be shown and the order of the binary tree. First of all is to perform defines the traversal type, next is to traversing to the left child node follow by right child node. This is the easiest method to describe a binary tree through recursion METHODS FIND TRAVERSAL IN BINARY TREES There are several common orders in which nodes can be visited with their own advantages. Here a three main order in binary trees: In-order: Left child, Root, Right child Post-order: Left child, Right child, Root Pre-order: Root, Left child, Right child In-order, Pre-order and Post-order traversal visit each node in a tree by recursively visiting each node in the left and the right subtrees of the root. If the root node visited before its subtrees, this is pre-order, if after so it is post-order and if in between this is in-order. Depth-First Traversal This is one of the concepts to find the traversal of the tree. We always attempt to visit the node farthest from the root we attempt to forget too but, through depth first we does not need to remember all the nodes we have visited. In Pre-order we should go through the root first then followed by left subtree and right subtree. But in In-order we will visit the left subtree first then we visit the root followed by right subtree. Lastly Post-order we start with subtree from the left followed with right then we will visit the root. Breadth-first Traversal Breadth-first traversal is which is opposite with depth-first traversal attempts to the closest nodes to the root. With this method a tree can traversed in level order, by going through from root to the lowest children. Example of Breadth-first traversal Preorder traversal sequence: F, B, A, D, C, E, G, I, H (root, left, right) Inorder traversal sequence: A, B, C, D, E, F, G, H, I (left, root, right) Postorder traversal sequence: A, C, E, D, B, H, I, G, F (left, right, root) BINARY TREE APPLIED IN SCIENCE COMPUTER In computer science, binary tree can be applied such as in java, c/c++ programming, data structure and algorithms. In java, implementation is same in c/c++ programming, solution java is copying the solution in c/c++ and making the syntactic language. Almost every operation have two methods, a one-line method on the binary tree that starts the computation, and a recursive method that works on the node objects. For the lookup() operation, there is a binarytree.lookup() method that the client uses to start a lookup operation. Internal to the binarytree class, there is a private recursive lookup (node) method that implements the recursion down the node structure. This second, private recursive method is basically the same as the recursive C/C++ functions. In binary tree for data structure, a linked list structure is not efficient when searching for a specific item as the node can only be accessed sequentially. The binary search algorithm suggests a data structure which can be implemented using dynamic storage and allows searching to be done efficiently. EXAMPLE IN JAVA // BinaryTree.java public class BinaryTree { // Root node pointer. Will be null for an empty tree. private Node root; /* Node The binary tree is built using this nested node class. Each node stores one data element, and has left and right sub-tree pointer which may be null. The node is a dumb nested class we just use it for storage; it does not have any methods. */ private static class Node { Node left; Node right; int data; Node(int newData) { left = null; right = null; data = newData; } } /** Creates an empty binary tree a null root pointer. */ public void BinaryTree() { root = null; } /** Returns true if the given target is in the binary tree. Uses a recursive helper. */ public boolean lookup(int data) { return(lookup(root, data)); } /** Recursive lookup given a node, recur down searching for the given data. */ private boolean lookup(Node node, int data) { if (node==null) { return(false); } if (data==node.data) { return(true); } else if (data return(lookup(node.left, data)); } else { return(lookup(node.right, data)); } } /** Inserts the given data into the binary tree. Uses a recursive helper. */ public void insert(int data) { root = insert(root, data); } /** Recursive insert given a node pointer, recur down and insert the given data into the tree. Returns the new node pointer (the standard way to communicate a changed pointer back to the caller). */ private Node insert(Node node, int data) { if (node==null) { node = new Node(data); } else { if (data node.left = insert(node.left, data); } else { node.right = insert(node.right, data); } } return(node); // in any case, return the new pointer to the caller } BINARY TREE APPLIED IN DAILY LIFE Binary tree can be applied in our life. This can be shown in competition schedule in sports, family flows, organizations and others. The tree showed the flows of an organization so we can know who or how an organization is flowed. Besides that, we can know the header in an organization, our relation in a family or our competitor in a sport. Others, we can position in an organization so that we not mistake or just estimate someone position in an organization. We also can deal with someone based on the position in an organization and can save our time for dealings. EXAMPLE CONCLUSION We can conclude that binary tree a lot of usage in our life. The binary tree is applied not just in daily life but in computer system. This is because the usages of binary tree easy for the programmer to make a system. Other than that, the application of binary tree can be found in the computer science. In addition, we are pleased to see the chart and reduce errors during the program or enter into an agreement with an officer in an organization. Using the tree, we will know a persons position in an organization or in sports.

Saturday, July 20, 2019

Akhilleauss Pride Essay -- essays research papers

Akhilleus’s Pride The Iliad is a classic story of a Greek warrior, named Akhilleus, whose anger causes many soldiers to die during the Trojan War. When Akhilleus becomes angry, there seems to be nothing that can stop him from totally destroying his enemy. While many consider anger to be the primary factor in motivating Akhilleus, the main reason Akhilleus acts the way he does is because he is extremely self-centered. Initially, Akhilleus lets his pride control him when King Agamemnon takes his prize possession, Briseis, away from him. Akhilleus begins to sulk and declares he will take his army and go home. Feeling dishonored, Akhilleus goes to his mother, Thetis, and requests her to go to Zeus and petition his assistance in dealing with Agamemnon. Akhilleus states to his mother, â€Å"If he ...

Oedipus The King Essay -- Oedipus Rex, Sophocles

Oedipus the King by Sophocles is more than just a plain tragedy. This play is a suspense thriller, where every character involved with Oedipus learned that fate is determined only by the gods. In this specific play, Apollo was deciding god that predicted the fate of every person in the city of Thebes. This book represents a symbol of the lives of many, showing that you can not run away from fate because it decision that will forever remain. It was written in the honor of, the god of theater, Dionysos. Also, for the annual festival where playwrights competed for prizes. It was a major public occasion, with immense attendance expected. This theatric happening was written in the turning point of the war that saved Greece from a huge Persian invasion. The actual time period when this play was performed was not recorded. But, it was when mythology and tragedy in theatre became very interesting and popular to watch. There were two main settings. A town in main Greece called Thebes and another place called Corinth. At Thebes the play is mainly located in the exterior of Oedipus' palace at Thebes. The main characters in this book are Oedipus, Tiresias, As the story progresses, however, Oedipus' power and pride are broken down. Some readers imagine a broken, pitiful old man who's been crushed by the avenging gods. From the script, it is clear that Oedipus is apparently handsome and well built. He is described as a "tower of strength," and has a sharp way of looking at people. He is quick-tempered, and often acts recklessly and violently. His followers love him, and consider him a brilliant ruler because he solved the riddle of the Sphinx and brought ease to the city of Thebes as Oedipus became their savior. Oedipus also shows wisdom, love for his children and a reputation for high moral standards. We’ve come to this conclusion because even when the threat, of whoever killed Lauis would suffer, applied to him he still followed through with the punishments. He has a passion for truth, and shows courage in the face of disaster or conflict. These same noble qualiti es, however, lead to his tragic flaw and brought upon his downfall. His wisdom became hypocritical, and he refused to believe anyone who didn’t agree with him. His love for his children becomes obsessive, and he refuses to see that he's married his own mother. His passion for the truth and high m... ...e. Oedipus' search for the truth lead him to the discovery that he was not a "child of luck," but a "man of misfortune." His fate was determined years before his birth, as proven by the prophecy of the oracles. All he could do was live out his destiny, but he did this with such dignity and heroism. Oedipus showed great nobility even in suffering and despair. At the end of Oedipus at Colonus Oedipus pursued the truth to its horrible conclusion. Having blinded himself, Oedipus was a broken and shaken man. But he also became a model for people to imitate. He has shown what it means to endure in the face of defeat. He has shown what it takes to survive in a world that is ruled by unpredictable fate. He has shown the true meaning of suffering and despair. When you think of Oedipus, remember that he suffered for all of us, so that everyone can know the truth about ourselves in a world that will always be hostile and cruel.