Spectra::Lanczos< Scalar, ArnoldiOpType > Class Template Reference

#include <Lanczos.h>

Inheritance diagram for Spectra::Lanczos< Scalar, ArnoldiOpType >:

Public Member Functions
void	compress_H (const TridiagQR< Scalar > &decomp)
void	factorize_from (Index from_k, Index to_m, Index &op_counter)
	Lanczos (const ArnoldiOpType &op, Index m)
Public Member Functions inherited from Spectra::Arnoldi< Scalar, ArnoldiOpType >
	Arnoldi (const ArnoldiOpType &op, Index m)
void	compress_H (const DoubleShiftQR< Scalar > &decomp)
void	compress_H (const UpperHessenbergQR< Scalar > &decomp)
void	compress_V (const Matrix &Q)
Scalar	f_norm () const
void	init (MapConstVec &v0, Index &op_counter)
const Matrix &	matrix_H () const
const Matrix &	matrix_V () const
Index	subspace_dim () const
const Vector &	vector_f () const
virtual	~Arnoldi ()

Private Types
typedef Eigen::Index	Index
typedef Eigen::Map< const Matrix >	MapConstMat
typedef Eigen::Map< const Vector >	MapConstVec
typedef Eigen::Map< Matrix >	MapMat
typedef Eigen::Map< Vector >	MapVec
typedef Eigen::Matrix< Scalar, Eigen::Dynamic, Eigen::Dynamic >	Matrix
typedef Eigen::Matrix< Scalar, Eigen::Dynamic, 1 >	Vector

Additional Inherited Members
Protected Member Functions inherited from Spectra::Arnoldi< Scalar, ArnoldiOpType >
void	expand_basis (MapConstMat &V, const Index seed, Vector &f, Scalar &fnorm)
Protected Attributes inherited from Spectra::Arnoldi< Scalar, ArnoldiOpType >
Scalar	m_beta
const Scalar	m_eps
Vector	m_fac_f
Matrix	m_fac_H
Matrix	m_fac_V
Index	m_k
const Index	m_m
const Index	m_n
const Scalar	m_near_0
ArnoldiOpType	m_op

Detailed Description

template<typename Scalar, typename ArnoldiOpType>
class Spectra::Lanczos< Scalar, ArnoldiOpType >

Definition at line 27 of file Lanczos.h.

Member Typedef Documentation

Index

template<typename Scalar , typename ArnoldiOpType >

typedef Eigen::Index Spectra::Lanczos< Scalar, ArnoldiOpType >::Index

private

Definition at line 30 of file Lanczos.h.

MapConstMat

template<typename Scalar , typename ArnoldiOpType >

typedef Eigen::Map<const Matrix> Spectra::Lanczos< Scalar, ArnoldiOpType >::MapConstMat

private

Definition at line 35 of file Lanczos.h.

MapConstVec

template<typename Scalar , typename ArnoldiOpType >

typedef Eigen::Map<const Vector> Spectra::Lanczos< Scalar, ArnoldiOpType >::MapConstVec

private

Definition at line 36 of file Lanczos.h.

MapMat

template<typename Scalar , typename ArnoldiOpType >

typedef Eigen::Map<Matrix> Spectra::Lanczos< Scalar, ArnoldiOpType >::MapMat

private

Definition at line 33 of file Lanczos.h.

MapVec

template<typename Scalar , typename ArnoldiOpType >

typedef Eigen::Map<Vector> Spectra::Lanczos< Scalar, ArnoldiOpType >::MapVec

private

Definition at line 34 of file Lanczos.h.

Matrix

template<typename Scalar , typename ArnoldiOpType >

typedef Eigen::Matrix<Scalar, Eigen::Dynamic, Eigen::Dynamic> Spectra::Lanczos< Scalar, ArnoldiOpType >::Matrix

private

Definition at line 31 of file Lanczos.h.

Vector

template<typename Scalar , typename ArnoldiOpType >

typedef Eigen::Matrix<Scalar, Eigen::Dynamic, 1> Spectra::Lanczos< Scalar, ArnoldiOpType >::Vector

private

Definition at line 32 of file Lanczos.h.

Constructor & Destructor Documentation

Lanczos()

template<typename Scalar , typename ArnoldiOpType >

Spectra::Lanczos< Scalar, ArnoldiOpType >::Lanczos ( const ArnoldiOpType &  op, Index  m  )

inline

Definition at line 50 of file Lanczos.h.

Member Function Documentation

compress_H()

template<typename Scalar , typename ArnoldiOpType >

void Spectra::Lanczos< Scalar, ArnoldiOpType >::compress_H ( const TridiagQR< Scalar > &  decomp )

inline

Definition at line 158 of file Lanczos.h.

factorize_from()

template<typename Scalar , typename ArnoldiOpType >

void Spectra::Lanczos< Scalar, ArnoldiOpType >::factorize_from ( Index  from_k, Index  to_m, Index &  op_counter  )

inlinevirtual

Reimplemented from Spectra::Arnoldi< Scalar, ArnoldiOpType >.

Definition at line 55 of file Lanczos.h.

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The documentation for this class was generated from the following file:

• Lanczos.h