matrix.h

完整的矩阵类

//matrix.h
#ifndef MATRIX_H
#define MATRIX_H

//CMatrix
class AFX_EXT_CLASS CMatrix 
{
//公共成员接口
public:
	//构造和析构
	CMatrix();                                   //缺省
	CMatrix(int nRows,int nCols);                //指定行列
	CMatrix(int nRows,int nCols,double value[]); //指定行列数据
    CMatrix(int nSize);                          //方阵
	CMatrix(int nSize,double value[]);           //方阵
	CMatrix(const CMatrix& other);               //拷贝
	virtual ~CMatrix();
	BOOL Init(int nRows,int nCols);
	BOOL MakeUnitMatrix(int nSize);

	//设置知道元素的值
	BOOL    SetElement(int nRow,int nCol,double value);
	double  GetElement(int nRow,int nCol) const;
	void    SetData(double value[]);
	int     GetNumColumns() const;
	int     GetNumRows() const;
	int     GetRowVector(int nRow,double* pVector) const;
	int     GetColVector(int nCol,double* pVector) const;
	double* GetData() const;

	//数学操作
	CMatrix& operator=(const CMatrix& other);
	BOOL operator==(const CMatrix& other) const;
	BOOL operator!=(const CMatrix& other) const;
	CMatrix operator+(const CMatrix& other) const;
	CMatrix operator-(const CMatrix& other) const;
	CMatrix operator*(double value) const;              //数乘
	CMatrix operator*(const CMatrix& other) const;      //矩阵相乘
	CMatrix Transpose() const;                          //矩阵转置

//保护数据成员
protected:
	int m_nNumRows;       //行数
	int m_nNumColumns;    //列数
	double* m_pData;      //数据缓冲区
	
};
#endif