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one°ü

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[ÇóÖú] vc++ µ÷ÓÃMATLAB ÒýÇæ ÒÑÓÐ1È˲ÎÓë

vc++ ÖеÄÖ¸Õë Êý×éµÄÊý¾ÝÔõôдÈëµ½MATLABÖÐÈ¥°¡£¬Ð´ÈëºóÊä³öµÄ½á¹ûÀϲ»¶Ô£¬ÊÇÎªÊ²Ã´ÄØ£¿Êǰ´×ÅÍøÉÏdouble[][]ÕâÑùµÄ¾ØÕóŪµÃ£¬Ð»Ð»
int  j = 0,w = 0;//ÆäÖУ¨xNG = new double[NG];ÊǸöÖ¸ÕëÊý×飩
// ״̬±äÁ¿
int nStatus = 0;  
// ¶¨ÒåMATLABÒýÇæÖ¸Õë
Engine *ep;
// ¶¨ÒåmxArray±äÁ¿Ö¸Õë
mxArray *A, *B;
// ¶¨Ò徨ÕóÊý×é
double arResData[3];
       
// ´ò¿ªMATLABÒýÇæ
ep = engOpen(NULL);
        if(ep == NULL)
        {
                cout<<"ÎÞ·¨´ò¿ªMATLABÒýÇæ¡£"<<endl;
                exit(EXIT_FAILURE);
        }
        // ÊÇ·ñÏÔʾMATLAB´°¿Ú£ºtrue-ÏÔʾ£»false-Òþ²Ø¡£
        nStatus = engSetVisible(ep, true);
        if (nStatus != 0)
        {
                cout << "ÉèÖÃMATLABÏÔʾÊôÐÔʧ°Ü¡£" << endl;
                exit(EXIT_FAILURE);
        }
        // ΪmxArray±äÁ¿·ÖÅä¿Õ¼ä
        A = mxCreateDoubleMatrix(3,1,mxREAL);
        B = mxCreateDoubleMatrix(3,1,mxREAL);
        if(A == NULL || B == NULL)
        {
                cout<<"ΪmxArray±äÁ¿·ÖÅä¿Õ¼äʧ°Ü¡£"<<endl;
        exit(EXIT_FAILURE);
}
// ½«Êý×éÖеÄÊý¾ÝдÈëµ½mxArray¿Õ¼äÖÐ
memcpy((void*)mxGetPr(A), (void*)xNG, sizeof(xNG));//
// ½«¾ØÕó±äÁ¿AдÈëµ½MATLABÒýÇæ¿Õ¼ä
nStatus = engPutVariable(ep, "A", A);

// Ö´ÐÐÒýÇæÃüÁîÇó¾ØÕóAµÄÄæ¾ØÕó
nStatus = engEvalString(ep, "B=1*(A)";

// ´ÓMATLABÒýÇæ¿Õ¼äÖжÁȡִÐнá¹û
B = engGetVariable(ep, "B";
// ½«¾ØÕó±äÁ¿B¸´ÖƵ½Êý×éarResDataÖÐ
memcpy((void*)arResData, (void*)mxGetPr(B), sizeof(arResData));
// ÊͷžØÕó±äÁ¿¿Õ¼ä
mxDestroyArray(A);
mxDestroyArray(B);
// ¹Ø±ÕMATLABÒýÇæ
engClose(ep);

char pFileName[ 50 ];
        char Buffer[ 5 ];
        //double m;
        sprintf( pFileName, "%s", "baobao" );
    strcat( pFileName, ".dat" );
        CStdioFile f1;
        f1.Open( pFileName, CFile::modeCreate|CFile::modeWrite|CFile::typeText );
        char szBuffer[ 500 ];
        for( w = 0; w < 3; w++)
              {
                        sprintf( szBuffer, "%16.8f", arResData[w]);
                    f1.Write( szBuffer, strlen( szBuffer ) );       
                }
    f1.Close£¨);


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wake_up

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Äã¿´¿´ÊDz»Êǰ´Áи´ÖÆÁË¡£marlabµÄ˳ÐòÊÇĬÈϰ´ÁÐÓÅÏȵġ£ÎÒûÓùýÄãÓõÄÄǸöcarray,cfile¿â¡£

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9Â¥2015-11-12 11:39:11
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wake_up

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¡¾´ð°¸¡¿Ó¦Öú»ØÌû

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Ò»°ãÊÇmatlabµ÷ÓÃcÓïÑÔ±àдµÄmex,  ÄãΪʲôŪµÃÄÇôÄÑ ÓÃCµ÷ÓÃmatlab°¡? ÄãÕâ¸öдÎļþµÄÖ±½ÓÓÃmatlab×ö¸ü¼òµ¥°¡.
ɨµØÉ¨µØÉ¨Ðĵأ¬Ðĵز»É¨¿ÕɨµØ£¬ÈËÈ˶¼°ÑÐĵØÉ¨£¬ÊÀÉÏÎÞ´¦²»¾»µØ£®
2Â¥2015-11-11 22:44:28
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one°ü

½ð³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by wake_up at 2015-11-11 22:44:28
Ò»°ãÊÇmatlabµ÷ÓÃcÓïÑÔ±àдµÄmex,  ÄãΪʲôŪµÃÄÇôÄÑ ÓÃCµ÷ÓÃmatlab°¡? ÄãÕâ¸öдÎļþµÄÖ±½ÓÓÃmatlab×ö¸ü¼òµ¥°¡.

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nowordtosay
3Â¥2015-11-11 23:00:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wake_up

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one°ü: ½ð±Ò+20, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2015-11-12 09:04:17
ÒýÓûØÌû:
3Â¥: Originally posted by one°ü at 2015-11-11 23:00:22
ÎÒÏëµÄÊǵ÷ÓÃMATLAB½â¸ö·½³Ì×飬Ȼºó°Ñ½á¹û·µ»Øµ½vc£¬...

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memcpy((void*)arResData, (void*)mxGetPr(B), sizeof(arResData));
// ÊͷžØÕó±äÁ¿¿Õ¼ä
mxDestroyArray(A);
mxDestroyArray(B);

Äã°Ñmatlab engineÄǸöÆÁ±Îµô. µ¥¶À²âÒ»ÏÂÄãCÓïÑÔIOдÎļþ¿´¿´Äܲ»ÄÜд½øÈ¥.Èç¹ûÄÜд½øÈ¥,¾ÍÊÇÈ¡matlabÄÇÀï³öÎÊÌâÁË.
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4Â¥2015-11-11 23:32:45
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