ALGORITHMS DESIGN TECHNIQUES AND ANALYSIS M.Mar

ALGORITHMS DESIGN TECHNIQUES AND ANALYSIS M.Mar

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时间:2019-07-31

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1、ALGORITHMSDESIGNTECHNIQUESANDANALYSISM.H.AlsuwaiyelInformation&ComputerScienceDepartmentKFUPMJuly,1999PrefaceThefieldofcomputeralgorithmshasflourishedsincetheearly1960’swhenthefirstusersofelectroniccomputersstartedtopayattentiontotheper-formanceofprograms.Thelimitedresour

2、cesofcomputersatthattimeresultedinadditionalimpetusfordevisingefficientcomputeralgorithms.Afterextensiveresearchinthisfield,numerousefficientalgorithmsfordif-ferentproblemsemerged.Thesimilaritiesamongdifferentalgorithmsforcertainclassesofproblemshaveresultedingeneralalgorith

3、mdesigntech-niques.Thisbookemphasizesmostofthesealgorithmdesigntechniquesthathaveprovedtheirutilityinthesolutiontomanyproblems.Itmaybeconsideredasanattempttocoverthemostcommontechniquesinthedesignofsequentialalgorithms.Eachtechniqueispresentedasfollows.First,thecontext

4、inwhichthattechniquecanbeapplied.Second,thespe-cialcharacteristicsofthattechniquethatsetitapart.Third,comparisonwithothertechniques,wheneverpossible;finally,andmostimportantly,illustrationofthetechniquebyapplyingittoseveralproblems.Althoughthemainthemeofthebookisalgorit

5、hmdesigntechniques,italsoemphasizestheothermajorcomponentinalgorithmicdesign:theanalysisofalgorithms.Itcoversindetailtheanalysisofmostofthealgo-rithmspresented.Chapter2coversmostofthemathematicaltoolsthatarehelpfulinanalyzingalgorithms.Chapter11isanintroductiontothefiel

6、dofcomputationalcomplexity,andChapter12coversthebasicsofestablish-inglowerboundsonthesolutionofvariousproblems.Thesechaptersareindispensableforthedesignofefficientalgorithms.Thefocusofthepresentationisonpracticalapplicationsofthedesigntechniques.Eachtechniqueisillustrate

7、dbyprovidinganadequatenum-iiiPrefaceberofalgorithmstosolvesomeproblemsthatquiteoftenariseinmanyapplicationsinscienceandengineering.Thestyleofpresentationofalgorithmsisstraightforward,andusespseudocodethatissimilartothesyntaxofstructuredprogramminglanguages,e.g.if-then-

8、else,forandwhileconstructs.ThepseudocodeissometimesintermixedwithEnglishwhenevernecessary.Describingaportionofanalgor

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