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Êý¾ÝÄâºÏ³ÌÐò£¬ÔËÓÃÏֳɵĶ¯Ì¬Á´½Ó¿âLBFGS·¨£¨´øÔ¼ÊøµÄ£©£¬²Ù×÷ƽ̨ÊÇVS2005£¬½«ÆäÒýÈëMFCµ¥Îĵµ´íÎóµü³ö ÎÒ½«Ëã·¨³ÌÐò±àÈëÁËCLoginDlg.CPPÖУ¬µã»÷button1£¬³ÌÐò¹Ø±Õ¶Ô»°¿òµ¯³öµ¥Îĵµ½çÃæ£¬ºǫ́ͬʱÍê³ÉÔËËã¡£ void CLoginDlg::OnBnClickedButton1() { // TODO: ÔÚ´ËÌí¼Ó¿Ø¼þ֪ͨ´¦Àí³ÌÐò´úÂë _tmain(); CDialog::OnOK(); } ÒÔÉÏÊÇCbuttonµÄ´úÂ룬±àÒëÊ×Ïȱ¨´íµÄÊÇ_tmain()λÖã¬ËµµÄÊDz»½ÓÊÜ0¸ö²ÎÊý£¬Õâ¸ö¹«¹²º¯ÊýµÄÔÐÍΪ int _tmain(int argc, _TCHAR* argv[]) { ......... ......... return 0; } ÎҸɴàÖ±½Ó¶ÔÔº¯Êý×öÁ˸͝£¬ÈçÏ£º int _tmain() { ......... ......... return 0; } ÔÚ½â¾ö·½°¸ÖÐÓÖÌí¼ÓÁËlbfgsb.libÎļþ£¬ÓÚÊDZàÒë¡¢Á´½Ó¶¼¿Éͨ¹ý£¬ÉõÖÁ¿ÉÒÔÔËÐУ¬µ«µã»÷button1£¬³ÌÐò¾Í»á±¨´í£¬µ¯³öÈç϶Ի°¿ò£º ![]() Ëã·¨µÄ×î³õ³ÌÐòÊÇÕýÈ·µÄ£¬¿É±àÒë¿ÉÁ´½Ó¿ÉÔËÐУ¬½á¹ûÕýÈ·£»ÎÒ¿ÉÒÔн¨Ò»¸öWIN32¿ØÖÆÌ¨Ó¦ÓóÌÐòÖØÏÖËã·¨³ÌÐòµÄЧ¹û¡£Ö¤Ã÷Ëã·¨³ÌÐò±¾ÉíÎÞÎó£¬Ó¦¸ÃÊǶ¯Ì¬Á´½Ó¿âÔÚ¼ÓÔØµ½MFC³ÌÐòʱ³öÏÖÁË´íÎó¡£ Ï£ÍûÓиßÊÖÄÜÖ¸µãÒ»ÏÂ~~²»Ê¤¸Ð¼¤ ÒÔÏÂÊÇÎÒµÄMFC³ÌÐò¹ØÓÚÒýÈëËã·¨¶¯Ì¬Á´½Ó¿âºÍÖ´ÐÐÔËËãµÄƬ¶Î£¬×îºó¸½ÉÏÁËWIN32Ëã·¨³ÌÐòºÍÎÒ×Ô¼ºµÄMFC³ÌÐò£º // LoginDlg.cpp : ʵÏÖÎļþ // #include "stdafx.h" #include "xxl_try2.h" #include "LoginDlg.h" //#include "stdafx.h" #include "iostream" #include "memory.h" #include "malloc.h" #include "windows.h" #include "math.h" using namespace std; // CLoginDlg ¶Ô»°¿ò IMPLEMENT_DYNAMIC(CLoginDlg, CDialog) CLoginDlg::CLoginDlg(CWnd* pParent /*=NULL*/) : CDialog(CLoginDlg::IDD, pParent) { } CLoginDlg::~CLoginDlg() { } void CLoginDlg: oDataExchange(CDataExchange* pDX){ CDialog: oDataExchange(pDX);} BEGIN_MESSAGE_MAP(CLoginDlg, CDialog) ON_BN_CLICKED(IDC_BUTTON1, &CLoginDlg::OnBnClickedButton1) END_MESSAGE_MAP() // CLoginDlg ÏûÏ¢´¦Àí³ÌÐò // LBFGS.cpp : ¶¨Òå¿ØÖÆÌ¨Ó¦ÓóÌÐòµÄÈë¿Úµã¡£ //¼ÆËãÌݶȱ£´æÔÚgÖУ¬¼ÆËãÄ¿±êº¯ÊýÖµ±£´æÔÚfÖÐ //nÊDzÎÊý¸öÊý£¬xÊDzÎÊýÏòÁ¿ void fcn2(int n,double *x, double*t, double *y,double &f, double *g ){ f=0; g[0]=0; g[1]=0; g[2]=0; g[3]=0; g[4]=0; g[5]=0; for(int k=0;k double tmp=y[k]-(x[0]*t[k]*exp(x[1]*t[k])+x[2]*t[k]*exp(x[3]*t[k])+x[4]*t[k]*exp(x[5]*t[k])); f+=tmp*tmp; g[0]+=-2*tmp*t[k]*exp(x[1]*t[k]); g[1]+=-2*tmp*t[k]*x[0]*exp(x[1]*t[k])*t[k]; g[2]+=-2*tmp*t[k]*exp(x[3]*t[k]); g[3]+=-2*tmp*t[k]*x[2]*exp(x[3]*t[k])*t[k]; g[4]+=-2*tmp*t[k]*exp(x[5]*t[k]); g[5]+=-2*tmp*t[k]*x[4]*exp(x[5]*t[k])*t[k]; } return; } extern "C" void __declspec(dllimport) __stdcall lbfgsb(int n,int m,double *x, double *l, double *u, int *nbd, double f, double *g, double factr, double pgtol, double *wa, int *iwa,char *task, int iprint,char *csave,bool *lsave,int *isave, double *dsave); int main()//int argc, _TCHAR* argv[]) { const char dllPath[] = "lbfgsb.dll"; //¼ÓÔØ¶¯Ì¬¿âÎļþ HINSTANCE hLibrary = LoadLibraryA(dllPath); if(hLibrary == NULL){ int error =GetLastError (); cout<<"Error of LoadLibrary = "< cout<<"Can't find the dll file."< return -1; } /* £¨Èç¹û»ñµÃÕâ¸ö³ÌÐòµÄ¾ä±ú£©»ñµÃÕýÔÚÔËÐгÌÐòµÄ·¾¶ºÍÎļþÃû*/ bool exePathOut=true; if(exePathOut){ char exePath[1000] = "\0"; GetModuleFileNameA(hLibrary,exePath,sizeof(exePath)); cout< bool *lsave; char *task,*csave,*str; int n, m,iprint,*nbd,*iwa, *isave; double f, factr, pgtol,*x,*l,*u,*g,*wa,*dsave; double t[7]={1,1.5,2,2.5,3,3.5,5}; double y[7]={10.78,80.35,58.81,43.04,23.05,12.35,6.61}; iprint = 1; factr=1.0E+7; pgtol=1.0E-5; f=0.0; n=6; m=10; nbd=new int[n]; iwa=new int[3*n]; x=new double[n]; l=new double[n];//ÉèÖñäÁ¿ÏÂÏÞ u=new double[n];//ÉèÖñäÁ¿ÉÏÏÞ g=new double[n]; wa=new double[2*m*n+4*n+12*m*m+12*m]; dsave=new double[29]; isave=new int[44]; str=new char[60]; csave=new char[60]; task=new char[60]; lsave=new bool[16]; for(int i=0;i nbd=0; l=1.0; u=10; } for(int i=1;i nbd=0; l=1.0; u=10; } for(int i=0;i x=0.0E0; } sprintf(task,"%s","START" ;while(1){ lbfgsb(n,m,x,l,u,nbd,f,g,factr,pgtol,wa,iwa,task,iprint,csave,lsave,isave,dsave); strncpy(str,task,2); if (strncmp(str,"FG",2)==0) { fcn2(7, x,t,y,f, g ); continue; } strncpy(str,task,5); if(strncmp(str,"NEW_X",5)!=0) { for(int i=0;i cout<<"x["<< break; } } delete[] nbd; delete[] iwa; delete[] x; delete[] l; delete[] u; delete[] g; delete[] wa; delete[] lsave; delete[] task; delete[] csave; delete[] str; delete[] isave; delete[] dsave; system("pause" ;return 0; } void CLoginDlg::OnBnClickedButton1() { // TODO: ÔÚ´ËÌí¼Ó¿Ø¼þ֪ͨ´¦Àí³ÌÐò´úÂë main(); CDialog::OnOK(); } ÕâÊdzÌÐò http://good.gd/767141.htm ÕâÊÇËã·¨µÄÕýÈ·³ÌÐò http://good.gd/767144.htm [ Last edited by swustxxl on 2010-10-20 at 10:47 ] |
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swustxxl
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2Â¥2010-10-17 08:29:18
magic7004
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magic7004
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swustxxl
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8Â¥2010-10-17 20:50:06
gd88
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9Â¥2010-10-20 22:48:24
swustxxl
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10Â¥2010-10-21 09:11:45















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