MATLAB常用函数大全(20170401091308)

MATLABabs(x)angle(z)z(Phaseangle)sqrt(x)real(z)zimag(z)zconj(z)zround(x)fix(x)floor(x)ceil(x)rat(x)xrats(x)xsign(x)(Signumfunction)x0sign(x)=-1x=0sign(x)=0;x0sign(x)=1rem(x,y)xygcd(x,y)xylcm(x,y)xyexp(x)pow2(x)2log(x)elog2(x)2log10(x)10MATLABsin(x)cos(x)tan(x)asin(x)acos(x)atan(x)atan2(x,y)sinh(x)cosh(x)tanh(x)asinh(x)acosh(x)atanh(x)min(x):xmax(x):xmean(x):xmedian(x):xstd(x):xdiff(x):xsort(x):xSortinglength(x):xnorm(x):xEuclideansum(x):xprod(x):xcumsum(x):xcumprod(x):xdot(x,y):xycross(x,y):xyMATLABijepsFloating-pointinf1/0nanNaNNotanumber0/0pip=3.1415926...realmaxrealminnargin:nargout:MATLABplot:xyLinearscaleloglog:xyLogarithmicscalesemilogx:xysemilogy:xyploty.kowxxb++g**r-c:m-.--xlabel('InputValue');%xylabel('FunctionValue');%ytitle('TwoTrigonometricFunctions');%legend('y=sin(x)','y=cos(x)');%gridon;%barerrorbarfplotpolarhistrosestairsstemfillfeathercompassquiver1anscomputerepsInfIinputnameNaNnarginnargoutpinargoutchkrealmaxrealminvararginvarargout+-*.*^.^\/./kronKronecker:()[]......,;%!'===&|~xor2absacos,acodhacot,acothacsc,acschangleasec,asechsecantasin,asinhatan,atanhtangentatan2ceilcomplexconjcos,coshcsc,cschcot,cothexpfix0floorgcdimaglcmloglog22log10modnchoosekrealremroundsec,sechsignsin,sinhsqrttan,tanh3blkdingeyelinespacelogspacenumelones1randrandnzeros0colon)catdiagfliplrflipudrepmatreshaperoy9090triltriudotcrossismemberintersectsetxorsetdiffunioncumprodcumsumcumtrapzfactorinpolygonmaxmeanmediamminpermspolyareaprimesprodrectintsortsortrowsstdsumtrapzvardel2diffgradientcovcorrcoefconv2convfilterIIRFIRdeconvfilter2cplxpairfftfft2fftshiftFFTDCifftifft2ifftnifftshiftFFTnextpow22unwrapconvrootspolypolyderpolyeigpolyfitpolyintpolyvalpolyvalmresidueinterp1interp2interp3interpftFFTinterpnmeshgrid3xyndgridpchip3Hermiteppvalspline3barbarhhisthistcholdloglogx,ypieplotpolarsemilogyysemilogxxsubplotbar33Dbar3h3Dcomet33Dcylinderfill33Dplot33quiver33Dslicespherestem3waterfalltrisurfclabeldatetickgridgtext2DlegendplotyyYtitlexlabelXylabelYzlabelZcontourcontourccontourfhiddenmeshc/mesh3Dpeakssurf3Dsurfacesurfcsurfl3DtrimeshMatlabranderrrandintrandsrcwgnbiterreyediagramscatterplotsymerrcompandmu/A/dpcmdecoDPCMdpcmencoDPCMdpcmoptDPCMlloydsLloydquantizbchpolyBCHconvenccyclgencyclpolydecodeencodegen2pargfweighthammgenrsdecofReed-SolomonASCIIrsencofReed-SolomonASCIIrspolyReed-SolomonsyndtablevitdecViterbibchdecoBCHbchencoBCHrsdecoReed-SolomonrsdecodeReed-SolomonrsencoReed-SolomonrsencodeReed-SolomonademodademodceamodamodceapkconstASK-PSKddemodddemodcedemodmapdmoddmodcemodmapqaskdecoQASKqaskencoQASKhank2sysHankelhilbiirIIRrcosfltrcosinercosfirFIRrcosiirIIRawgngfaddgfconvgfcosetsgfdeconvgfdivgffiltergflineqAx=bgfminpolgfmulgfplusGF2^mgfprettygfprimckgfprimdfMATLABgfprimfdgfrankgfrepcovGF2gfrootsgfsubgftruncgftuplebi2dede2bierferfcistrellisMATLABtrellisstructuremarcumqMarcumQoct2decpoly2trellisMATLABtrellisvec2matAaabsASCIIacosacoshacotacothacscacschalignallangleansanyareaargnamesMasecasechasinasinhassigninatanatan2atanhautumnaxesaxisBbbarbar3bar3hbarhbase2decXbin2decblanksboneboxbreakwhileforbrightenCccapture3cart2polcart2sphcatcaxiscdcdeditcdf2rdfceilcellcell2structcelldispcellplotcharchi2cdfchi2invchi2pdfchi2rndcholCholeskyclabelclaclassclcclearclfclockcolorcubecolordefcolormapcolspaceclosecolpermcometcomet3compasscomposecondcondeigcondest-1conjcontourcontourfcontour3contoursliceconvcoolcoppercoscoshcotcothcplxpaircsccschcumsumcumtrapzcylinderDddblquaddealdeblankdec2baseXdec2bindec2hexdeconvdelaunayDelaunaydel2LaplaciandemoMatlabdetdiagdiaryMatlabdiffdigitsdirdispdisplaydlinmoddmpermDulmage-MendelsohndosDOSdoubledrawnowMatlabdsolveEeechoMeditMeigeigsendFORepserrorerrortraperferfcerfcxerfinverrorbaretreeplotevalevalinexistexitMatlabexpexpandexpintexpmexpm1Padeexpm2Taylorexpm3eyeezcontourezcontourfezgraph3ezmeshezmeshcezplotezplot3ezpolarezsurfezsurfcFffactorfeatherfeedbackfevalfftFourierfft2FourierfftnFourierfftshiftfieldnamesfigurefill3findfindobjfindstrfindsymfinversefixflagfliplrflipudflipdimfloorflopsflowMatlabfminfminbndfminsfminuncfminsearchfnderfnintfnvalfnpltfopenforforformatfourierFourierfplotfprintffreadfsolvefullfunmfuntoolfzeroGggammagammaincgammalngcagcbogcfgcogeomeangetgetfieldgetframeginputglobalgplotgradientgraygridgriddatagtextguideHhharmmeanhelphelpwinhelpdeskhex2dechex2numhiddenhilbHilberthisthistchistfitholdhornerhothsvIiif-else-elseififftFourierifft2FourierifftnFourierifftshiftifourierFourieri,jilaplaceLaplaceimagimageimagescimfinfoimreadimwriteimwriteind2subinfinfoMathWorksinlineinmeminputinputnameintint2strinterp1interp2interp3interpnNinterpftFFTintroMatlabinvinvhilbHilbertipermuteisaischarisequalisemptyisfiniteisfieldisglobalishandleisholdisieeeIEEEisinfisletterislogicalismemberisnanisnumericisobjectisprimeisrealisspaceissparseisstructisstudentMatlabiztransZJj,KkjacobianJacobianjetjordanJordankeyboardkronKroneckerLllaplaceLaplacelasterrlastwarnleastsqlegendlightinglinelinesplotlinmodlinmod2linspacelnloadMATloglog10log22logloglogmlogspacelookforMlowerlsqnonlinluLUMmmadmagicmaple&nb,sp;Maplemat