Lanczos< Matrix, Vector > Class Template Reference

Compute k greatest eigenvectors of a Matrix. More...

#include <Lanczos.h>

Public Types
typedef ietl::vectorspace< Vector >	Vectorspace
typedef boost::lagged_fibonacci607	RandGen

Public Member Functions
	Lanczos (const Matrix &mat, int k)
	Compute k greatest eigenvalues and eigenvectors of symmetric Matrix mat. More...
void	printInfo ()
const Vector &	getEigenvector (unsigned int i) const
double	getEigenvalue (unsigned int i) const

Detailed Description

template<class Matrix, class Vector>
class Lanczos< Matrix, Vector >

Compute k greatest eigenvectors of a Matrix.

Member Typedef Documentation

template<class Matrix, class Vector>

typedef boost::lagged_fibonacci607 Lanczos< Matrix, Vector >::RandGen

template<class Matrix, class Vector>

typedef ietl::vectorspace<Vector> Lanczos< Matrix, Vector >::Vectorspace

Constructor & Destructor Documentation

template<class Matrix, class Vector>

Lanczos< Matrix, Vector >::Lanczos ( const Matrix &  mat, int  k  )

inline

Compute k greatest eigenvalues and eigenvectors of symmetric Matrix mat.

Member Function Documentation

template<class Matrix, class Vector>

double Lanczos< Matrix, Vector >::getEigenvalue ( unsigned int  i ) const

inline

Referenced by CMDS< ValueType >::project().

template<class Matrix, class Vector>

const Vector& Lanczos< Matrix, Vector >::getEigenvector ( unsigned int  i ) const

inline

Referenced by CMDS< ValueType >::project().

template<class Matrix, class Vector>

void Lanczos< Matrix, Vector >::printInfo ( )

inline