又要来麻烦各位了，帮忙看这个问题怎么解决
<P>在编译这个程序时老是出现一个错误<BR><FONT size=3>#include “mex.h”<BR></FONT><FONT size=3>void timestwo(double y[],double x[])<BR></FONT><FONT size=3>{ <BR></FONT><FONT size=3>y=2.0*x<BR></FONT><FONT size=3>}<BR></FONT><FONT size=3>void mexFunction(int nlhs，mxArray*plhs[]，int nrhs，const mxArray*prhs[])<BR></FONT><FONT size=3>{<BR></FONT><FONT size=3>double *x，*y；<BR></FONT><FONT size=3>int mrows，ncols；<BR></FONT><FONT size=3>if(nrhs!=1)<BR></FONT><FONT size=3> {<BR></FONT><FONT size=3> mexErrMsgTxt(＂One input required.＂)；<BR></FONT><FONT size=3> }<BR></FONT><FONT size=3>else if (nlhs>1)<BR></FONT><FONT size=3>mexErrMsgTxt(＂Too many output argument＂)；<BR></FONT><FONT size=3>mrows=mxGetM(prhs)；<BR></FONT><FONT size=3>ncols=mxGetN(prhs)；<BR> </FONT><FONT size=3>if(!mxIsDouble(prhs)||mxIsComplex(prhs)||!(mrows==1&&ncols==1))<BR></FONT><FONT size=3>mexMsgTxt(＂Input must be a noncomplex scalar double.＂);<BR></FONT><FONT size=3>plhs=mxCreateDoubleMatrix(mrows,ncols,mxREAL);<BR></FONT><FONT size=3>x=mxGetPr(prhs);<BR></FONT><FONT size=3>y=mxGetPr(plhs);<BR></FONT><FONT size=3>timestwo(y,x)<BR></FONT><FONT size=3>}<p></p></FONT></P><P>fatal error C1083: Cannot open include file: 'mex.h': No such file or directory<BR>Error executing cl.exe.<BR>是怎么回事？是不是ＶＣ中的连接没处理好？</P>
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