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// Matrix.h: interface for the CMatrix class. 
// 
////////////////////////////////////////////////////////////////////// 
 
#if !defined(AFX_MATRIX_H__1D4A689F_CE10_42D0_95E8_9EC16E68ED32__INCLUDED_) 
#define AFX_MATRIX_H__1D4A689F_CE10_42D0_95E8_9EC16E68ED32__INCLUDED_ 
 
#if _MSC_VER > 1000 
#pragma once 
#endif // _MSC_VER > 1000 
 
#define   TINY 1.0e-20 
 
//矩阵类，用于矩阵的运算 
 
class CMatrix   
{ 
public: 
	double **m_mat;//矩阵指针 
	int m_row,m_col;//矩阵的行列 
 
 
 
	CMatrix(int);//重载构造函数 
	CMatrix(int,int);//重载构造函数 
	CMatrix (const CMatrix &);//显式复制构造函数 
	void SetSize(int); 
	void SetSize(int,int); 
 
	virtual ~CMatrix();//析构函数 
 
 
	//操作符重载 
	CMatrix& operator =(CMatrix &);//矩阵赋值 
	CMatrix operator +(CMatrix &);//矩阵加法 
	CMatrix operator -(CMatrix &);//矩阵减法 
	CMatrix operator *(CMatrix &);//矩阵乘法 
	CMatrix operator !();//矩阵求逆 
	CMatrix operator ~();//矩阵转置 
	double& operator ()(int,int);//取矩阵元素 
	CMatrix operator *(double);//矩阵与数相乘 
	friend CMatrix operator *(double d , CMatrix& m){return m*d;}//数与矩阵相乘 
	void Display();//矩阵显示 
 
	//Dolittle分解求矩阵逆 
protected: 
	void MatInverse(double** mat,int dim); 
	void MatLudcmp(double** mat, int, int*, double*); 
	void MatLubksb(double** mat, int, int*, double*); 
 
}; 
 
#endif // !defined(AFX_MATRIX_H__1D4A689F_CE10_42D0_95E8_9EC16E68ED32__INCLUDED_)