#ifndef _MATRIX_H#define _MATRIX_Henum Fill_Way{crs,row,col,all};class Matrix{					//僅為方陣!! private:	int dimension;	int cross; 	double **elements;	public: 	Matrix(int d=1);								//僅指定維數				Matrix(int,double **);						//用一個二維數組來填充矩陣 	Matrix(int d,double e,int c=0);			//用一個數來填充矩陣,所有元素都=這個數 	Matrix(int d,double *&es,Fill_Way fw=all);	//對角則用一個數組來填充對角,否則 	Matrix(int d,double *es,Fill_Way fw=all);	Matrix(const Matrix &,const Matrix &,const Matrix &,const Matrix &);	~Matrix(void);	int getDimension(void);	double getElement(int,int);	Matrix operator*(const Matrix &);		//矩陣乘法 	Matrix operator*(double &);				//數乘 	Matrix operator-(Matrix &);	double *operator*(double *);	Matrix operator/(double);	int operator==(Matrix &);		//重載== 	void LU(Matrix *&,Matrix *&);	//LU分解	void exRow(int,int);			//交換兩行 	Matrix trans(void);	int getCross(void);	void setCross(void);	void setElement(double,int,int);	double *getRow(int);	double *getCol(int);	double *getCrossE(void);	void setRow(double *,int);	void setCol(double *,int);	void setCrossE(double *);	void print(int);	void print(void);};#endif