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Matlabisanumericalcomputing,symboliccomputationandgraphicsprocessingpowerinoneofthescientificcomputinglanguage.Asapowerfulscientificcomputingplatform,italmosttomeetallyourcomputingneeds.IntheUnitedStatesandotherdevelopedcountriesintheuniversitiesofscienceandtechnology,Matlabcanbecomeacompulsorycourse,inresearchinstitutes,engineeringdepartmentsoflargecompaniesorenterprises,Matlabisoneofthemostcommoncalculationtools.Matlabhasthefollowingadvantagesandfeatures:Friendlyplatformandintotheenvironment:withthecommercializationofMatlabandthecontinuousupgradingofthesoftwareitself,Matlabuserinterfaceisalsoincreasinglydelicate,closertoWindowsstandardsinterface,human-computerinteractionmore,operationsimple.AndnewversionsofMatlabprovidescompleteonlinequeries,helpsystems,greatlyfacilitatetheuser'suse.Asimpleprogrammingenvironmentprovidesamorecompletedebuggingsystem,theprogramcanberundirectlywithoutcompiled,andabletoreporterrorsthatoccurinatimelymannerandthecauseoftheerroranalysis.Easytouseprogramminglanguage:Matlablanguageisbasedonthemostpopularonthebasisoftheclanguage,grammaticalfeaturesandverysimilartotheclanguage,butmoresimple,moreinlinewiththescientificandtechnicalpersonnelondigitalwritingformat.Makeitmoreconducivetonon-computerprofessionaltechnicalpersonneltouse.Andthislanguageverygoodportability,scalability,andthisisaMatlabcangotoscientificresearchandengineeringcalculationofvariousareasofimportantreasons.Powerfulscientificcomputinganddataprocessingcapacity:Matlabhasmorethan600moreengineeringusedinmathematicaloperationsfunction,ittoeasilyimplementvariouscalculationfunctionsrequiredtosupport.Functionofacidisusedinthelatestresearchresultsinscientificandengineeringcalculations,andbyavarietyofoptimizationandfault-tolerantprocessing,souseveryhighrobustnessandreliability.Typically,youcanuseittoreplacetheunderlyingprogramminglanguagesuchascandC++languages.Inthecaseofcomputingrequirementsarethesameas,usingMatlabprogrammingeffortisgreatlyreduced.Matlabfunctiontosolvetheproblemsincludedmatrixcalculationsandsolutionoflinearequations,solutionofdifferentialequationsandpartialdifferentialequations,symbols,operations,statisticalanalysis,Fouriertransformanddataengineeringoptimizationproblems,sparsematrixoperations,complexoperations,trigonometricfunctionsandotherelementarymathematicaloperations,multidimensionalarrayoperationssuchasmodelinganddynamicsimulation.Excellentofgraphicsprocessingfunction:MatlabsinceproducedofdayuponhasconvenientofdataVisualoffunction,newversionofMatlabonentiregraphicsprocessingfunctiondohasislargeofimprovedandimprove,makesitnotonlyingeneraldataVisualofsoftwarearehasoffunction(forexampleseconddimensioncurveandthreedimensionalsurfaceofdrawsandprocessing,)aspectsmoreperfect,andforsomeothersoftwarenooffunction(forexamplegraphicsoflightprocessing,andchromaprocessingandfourdataofperformance,),Matlabalsoperformancehasexcellentofprocessingability.Alsoforsomespecialvisualneeds,suchasgraphics,animation,Matlabhasacorrespondingfunction,ensuringtheuserdifferentrequirements.Inaddition,newversionsofMatlabalsofocusonthegraphicaluserinterface(GUI)onthemakingofagreatdealofimprovement,thissupportcanalsohavespecialrequirementsaremet.WidelyusedsetofmodulesandToolkit:MatlabformanyspecializedareashavedevelopedapowerfulsetofmodulesortheToolbox.InGeneral,theyarealldevelopedbyexpertsinaparticularfield,userscansimplyusetheToolboxtolearn,applyandevaluatedifferentmethodswithouttheneedtowritethecodeyourself.Currently,MatlabhastoToolboxextendstohasscientificresearchandengineeringapplicationofmanyarea,suchasdataacquisition,anddatabaseinterface,andprobabilitystatistics,andsamplesectionintendedclose,andoptimizationalgorithm,andpartialdifferentialequationsolution,andneuralnetwork,andWaveletanalysis,andsignalprocessing,andfigureasprocessing,andsystemidentification,andcontrolsystemdesign,andLMIcontrol,andLubarcontrol,andmodelforecast,andfuzzylogic,andfinancialanalysis,andmaptools,andnonlinearcontroldesign,andreal-timefastprototypeandthehalfinsimulation,embeddedsystemdevelopment,andfixed-pointsimulation,andDSPandcommunications,andpowersystemsimulation,,areinToolbox(Toolbox)familyinthehashasownofplace.Practicalprograminterfaceandpublishingplatform:MatlabusingtheMatlabcompilerandC/C++mathematicsandgraphicslibraries,yourownMatlabprogramautomaticallyconvertedtoMatlab-independentcandC++codethatisrunning.MatlabmeshservicesprogramsalsoallowinWebapplicationsusingtheirownMatlabmathematicsandgraphics.Modulardesignandsystem-levelsimulation:SimulinkisabranchoftheMatlabproduct,mainlyusedtoachievethemodelinganddynamicsimulationofengineeringproblems.Inthecontextofworld-widewaveofmodeling,Simulinkpreciselyreflectsthemodulardesignandsystem-levelsimulationofconcretethinking,makingbuilttoimitateisreallyaseasyastakingtheplot.ImplementationofSimulinksimulationcanbeappliedtodynamicsystems,designofsignalcontrol,communications,financialaccountingandinbio-medicalandotherfieldsofstudy.BecauseMatlabhasincomparableadvantagesoverothercomputerlanguages,atpresentithasasanindus