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EigenvalueVector.h
Package: C++常用算法之06矩阵特征值与特征向量的计算.rar [view]
Upload User: fxromeo
Upload Date: 2010-04-08
Package Size: 89k
Code Size: 1k
Category:
Mathimatics-Numerical algorithms
Development Platform:
Visual C++
- // EigenvalueVector.h 计算特征值特征向量头文件
- // Ver 1.0.0.0
- // 版权所有(C) 何渝, 2002
- // 最后修改: 2002.8.10
- #ifndef _EIGENVALUEVECTOR_H //避免多次编译
- #define _EIGENVALUEVECTOR_H
- #include "Matrix.h" //矩阵类及相关函数等的定义
- #include <comm.h> //公共头文件
- #include <math.h> //数学头文件
- using namespace std; //名字空间
- //约化对称阵为对称三对角阵的豪斯荷尔德变换法
- template <class _Ty>
- int HouseholderTransform(matrix<_Ty>& a, matrix<_Ty>& q,
- valarray<_Ty>& b, valarray<_Ty>& c);
- //实对称三角阵全部特征值及特征向量QR法
- template <class _Ty>
- int EigenvalueVectorRealTriangleQR(valarray<_Ty>& b,
- valarray<_Ty>& c, matrix<_Ty>& q, _Ty eps, int l);
- //约化一般实矩阵为赫申伯格阵的初等相似变换法
- //矩阵类型应是浮点型
- template <class _Ty>
- int HessenbergTransform(matrix<_Ty>& a);
- //求赫申伯格阵全部特征值QR法
- template <class _Ty>
- int EigenvalueVectorHessenbergQR(matrix<_Ty>& a,
- valarray<complex<_Ty> >& uv, _Ty eps, int jt);
- //实对称阵特征值及特征向量雅可比法
- template <class _Ty>
- int EigenvalueVectorRealSymmetryJacobi(matrix<_Ty>& a,
- matrix<_Ty>& v, _Ty eps, int jt);
- //实对称阵特征值及特征向量雅可比过关法
- template <class _Ty>
- int EigenvalueVectorRealSymmetryJacobiB(matrix<_Ty>& a,
- matrix<_Ty>& v, _Ty eps);
- #include "EigenvalueVector.inl" //类及相关函数的定义头文件
- #endif // _EIGENVALUEVECTOR_H