矩阵构造函数.doc

#include using namespace std;class Matrixprivate: int cols,cols1; int *p,*q,*z,*f,*p1,*p2; static int rows;public: /static int rows; Matrix(); / rows=0; / cols=0; / cols1=0; / p=new introws*cols; / p1=new introws*cols; / p2=new introws*cols; / q=new intcols*cols1; / z=new intcols; /f=new introws*cols1; void sr(); void sc(); void sr1(); void sc1(); / Matrix() / / deletep; /deleteq; /deletez; /deletef; /deletep1; /deletep2;/ ;int Matrix:rows=2;Matrix:Matrix() cols=0; cols1=0;void Matrix:sr() p=new introws*cols; p1=new introws*cols; p2=new introws*cols; q=new intcols*cols1; z=new intcols; f=new introws*cols1; cout默认rows=2,pelase enter cols:cols; coutendl; cout请输入矩阵内容：endl; / p=new introws*cols; for(int t=0;tpt; coutplease enter cols1:cols1; cout请输入矩阵内容：endl; / q=new intcols*cols1; /z=new introws*cols1; for(int y=0;yqy; coutendl; int m=0;z0=0;int o=0; for(int i=0;irows;i+) for(int j=0;jcols1;j+) for(int k=0;kcols;k+) m+; zm=zm-1+pi*cols+k*qk*cols1+j; / m+; fo=zm; m=0;z0=0;o+; void Matrix:sc() for(int i=0;irows;i+) coutendl; for(int j=0;jcols1;j+) coutfi*cols1+j ; void Matrix:sr1() cout默认rows=2,pelase enter cols:cols; coutendl; cout请输入第一个矩阵内容：endl; p=new introws*cols; for(int i=0;ipi; cout请输入第二个矩阵的内容:endl; p1=new introws*cols; for(int j=0;jp1j; p2=new introws*cols; for(int i=0;irows*cols;i+) p2i=pi+p1i; void Matrix:sc1() cout矩阵相加结果为:endl; for(int i=0;irows;i+) coutendl; for(int j=0;jcols;j+) coutp2i*cols+j ; int main() Matrix m1; Matrix m2; Matrix m3(m1);/复制构造函数 Matrix m4(m2);/复制构造函数 cout加法请输入1，乘法请输入2:x; switch(x) case 1:m4.sr1(); m4.sc1();break; case 2: m3.sr(); m3.sc();break; default:cout数据库中不存在x数字的功能endl; coutl; return 0;#include using namespace std;class matrixpublic:matrix();matrix(int a,int b);matrix() ;matrix(const matrix &m);int getmatrix();void outputmatrix();matrix(int,int,int*);int lines;int rows;int *p;matrix:matrix(int a,int b) cout构造了一个a行b列矩阵endl; lines=a; rows=b; p=new int*lines; for(int i=0;irows;i+) pi=new introws;matrix:matrix(const matrix &m) cout拷贝了一个m.lines行m.rows列矩阵endl; lines=m.lines; rows=m.rows;p=new int*lines;for(int i=0;irows;i+) pi=new introws;for(int i=0;ilines;i+) for(int j=0;jrows;j+) pij=李特 2014/11/16 19:37:19m.pij;int matrix:getmatrix() cout输入矩阵数据endl;for(int i=0;ilines;i+) for(int j=0;jpij;if(cin) return 1;else cout输入有误endl;cin.good(); return 0; void matrix:outputmatrix() for(int i=0;ilines;i+) for(int j=0;jrows;j+) coutpij ; coutendl; matrix:matrix() for(int i=0;ilines;i+) cout矩阵第i+1行被释放endl; delete pi; matrix operator+(const matrix& mat1,const matrix& mat2) matrix mat3(mat1); for(int i=0;imat1.lines;i+) for(int j=0;jmat1.row李特 2014/11/16 19:37:46s;j+) mat3.pij+=mat2.pij; cout调用+时临时变量将被释放endl; return mat3;matrix operator-(const matrix& mat1,const matrix& mat2) matrix mat3(mat1); for(int i=0;imat1.lines;i+) for(int j=0;jmat1.rows;j+) mat3.pij-=mat2.pij; cout调用+时临时变量将被释放endl; return mat3;int main() int a,b; cout请输入矩阵行数和列数:ab; ma