解线性方程组的头文件

#ifndef LINEARFUN_H
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#define LINEARFUN_H
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#include<iostream>
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#include<cstdlib>
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#include"Matrix.h"
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using namespace std;
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class LinearFun
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{
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public:
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LinearFun();
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LinearFun(Matrix ma, Matrix vb);
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LinearFun(const LinearFun& lf);
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~LinearFun();
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LinearFun& operator =(const LinearFun& lf);
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Matrix Lx_b(Matrix& L, Matrix& b, const int flag);//if flag==1 for the LU Method,else for others.
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Matrix Ux_b(Matrix& U, Matrix& b);
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//need to remember that J-I and G-S 's x0 will change as routine over.So they can not use simultaneously.
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Matrix JacobiIteration(Matrix& A1, Matrix& b, Matrix& x0, const double tol);
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Matrix GaussSeidelIteration(Matrix& A1, Matrix& b, Matrix& x0, const double tol);
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Matrix SOR(Matrix& A1, Matrix& b, Matrix& x0, const double weight, const double tol);
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Matrix CG(Matrix& A1, Matrix& b, Matrix& x0, const double tol);
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Matrix QROrth(Matrix& A1, Matrix& b);//using the QR orthogonalization to solve the LS problem.
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private:
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Matrix A;
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Matrix B;
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};
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#endif

posted on 2009-04-14 12:24 陈安阅读(308) 评论(1) 编辑收藏引用

只是一些较简单的算法实现。还得继续完善。回复更多评论

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