资源描述：
《matlab的应用》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、1PARTEssentialsPart1concernsthoseaspectsofMATLABthatyouneedtoknowinordertocometogripswithMATLAB’sessentialsandthoseoftechnicalcomputing.Chapters11,12,and13aremarkedwithanasterisk,asarecertainsectionsinotherchapters.Thesesectionsandchapterscanbeskippedinyourfirstreadingandline-by-lineexecution
2、oftheMATLABcommandsandscriptsdescribed.Becausethisbookisatutorial,youareencouragedtouseMATLABextensivelywhileyougothroughthetext.CHAPTER1IntroductionTheobjectivesofthischapterare■ToenableyoutousesomesimpleMATLABcommandsfromtheCommandWindow.■ToexaminevariousMATLABdesktopandeditingfeatures.MAT
3、LABisapowerfulcomputingsystemforhandlingscientificandengineer-ingcalculations.ThenameMATLABstandsforMatrixLaboratory,becausethesystemwasdesignedtomakematrixcomputationsparticularlyeasy.Amatrixisanarrayofnumbersorganizedinmrowsandncolumns.Anexampleisthefollowingm×n=2×3array:135A=246Anyoneoft
4、heelementsinamatrixcanbepluckedoutbyusingtherowandcolumnindicesthatidentifyitslocation.Theelementsinthisexamplearepluckedoutasfollows:A(1,1)=1,A(1,2)=3,A(1,3)=5,A(2,1)=2,A(2,2)=4,A(2,3)=6.Thefirstindexidentifiestherownumbercountedfromtoptobottom;thesecondindexisthecolumnnumbercountedfromleftto
5、right.ThisistheconventionusedinMATLABtolocateinformationinanarray.Acomputerisusefulbecauseitcandonumerouscomputationsquickly,sooperatingonlargenumericaldatasetslistedintablesasarraysormatricesofrowsandcolumnsisquiteefficient.Thisbookassumesthatyouhaveneverusedacomputerbeforetodothesortofscien
6、tificcalculationsthatMATLABhandles,butareabletofindyourwayaroundacomputerkeyboardandknowyouroperatingsystem(e.g.,WindowsCopyright©2010,DanielT.Valentine.PublishedbyElsevierLtd.Allrightsreserved.DOI:10.1016/B978-0-12-374883-6.00001-134CHAPTER1:IntroductionorUNIX).Theonlyothercomputer-relatedski
7、llyouwillneedissomeverybasictextediting.OneofthemanythingsyouwilllikeaboutMATLAB(andthatdistinguishesitfrommanyothercomputerprogrammingsystems,suchasC++andJava)isthatyoucanuseitinteractively.ThismeansyoutypesomecommandsatthespecialMATLABpromptandge
