>>demoTheelementtype"name"mustbeterminatedbythematchingend-tag"</name>".org.xml.sax.SAXParseException:Theelementtype"name"mustbeterminatedbythematchingend-tag"</name>".atorg.apache.xerces.parsers.DOMParser.parse(DOMParser.java:235)atorg.apache.xerces.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:201)atcom.mathworks.mde.help.Demos.createNodes(Demos.java:416)atcom.mathworks.mde.help.Demos.access$900(Demos.java:46)atcom.mathworks.mde.help.Demos$LoadDemosThread.run(Demos.java:276)atcom.mathworks.jmi.NativeMatlab.dispatchMTRequests(NativeMatlab.java:250)CouldnotparseG:\toolbox\ccslink\ccslink\demos.xmldemo：演示作用>>A=magic(3)A=816357492>>[sum(A),sum(A'),trace(A),trace(rot90(A))]ans=1515151515151515>>t=[0:0.1:2*pi];y=t.*sin(2.*t);plot(t,y)>>[x,y]=meshgrid(-5:0.1:5);>>z=(x.^2+y).*exp(-x.^2-(y.^2)/2);>>surf(x,y,z),colorbar>>whoYourvariablesare:Aanstxyz>>whosNameSizeBytesClassA3x372doublearrayans1x864doublearrayt1x63504doublearrayx101x10181608doublearrayy101x10181608doublearrayz101x10181608doublearrayGrandtotalis30683elementsusing245464byteswho和whos：显示当前工作空间的变量情况>>whichfirst'first'notfoundwhich：显示出某个MATLAB文件所在目录>>workspaceworkspace：打开工作空间的浏览器窗口quit和exit：退出程序>>pathMATLABPATHG:\toolbox\matlab\generalG:\toolbox\matlab\opsG:\toolbox\matlab\langG:\toolbox\matlab\elmatG:\toolbox\matlab\elfunG:\toolbox\matlab\specfunG:\toolbox\matlab\matfunG:\toolbox\matlab\datafunG:\toolbox\matlab\polyfunG:\toolbox\matlab\funfunG:\toolbox\matlab\sparfunG:\toolbox\matlab\scribeG:\toolbox\matlab\graph2dG:\toolbox\matlab\graph3dG:\toolbox\matlab\specgraphG:\toolbox\matlab\graphicsG:\toolbox\matlab\uitoolsG:\toolbox\matlab\strfunG:\toolbox\matlab\imagesciG:\toolbox\matlab\iofunG:\toolbox\matlab\audiovideoG:\toolbox\matlab\timefunG:\toolbox\matlab\datatypesG:\toolbox\matlab\verctrlG:\toolbox\matlab\codetoolsG:\toolbox\matlab\helptoolsG:\toolbox\matlab\winfunG:\toolbox\ma