differ.h

DFP变尺度法

//differ.h  //应用数值微分方法求X点的导数
#if !defined(_DIFFER_H)
#define _DIFFER_H
#include<math.h>
#include"matrix.h"

class CDiffer
{
	public:
		CMatrix operator()(double(*pfun)(CMatrix&),CMatrix X,double error);
};
#endif