SVD Class Reference

#include "dbleSVD.h"

Collaboration diagram for SVD:

Public Types
enum	driver { GESVD, GESDD }
enum	type { std, economy, sigma_only }

Public Member Functions
	SVD (void)
	SVD (const Matrix &a, type svd_type=SVD::std, driver svd_driver=SVD::GESVD)
	SVD (const Matrix &a, octave_idx_type &info, type svd_type=SVD::std, driver svd_driver=SVD::GESVD)
	SVD (const SVD &a)
	~SVD (void)
Matrix	left_singular_matrix (void) const
SVD &	operator= (const SVD &a)
Matrix	right_singular_matrix (void) const
DiagMatrix	singular_values (void) const

Private Member Functions
octave_idx_type	init (const Matrix &a, type svd_type=std, driver svd_driver=GESVD)

Private Attributes
Matrix	left_sm
Matrix	right_sm
DiagMatrix	sigma
SVD::type	type_computed

Friends
std::ostream &	operator<< (std::ostream &os, const SVD &a)

Detailed Description

Definition at line 31 of file dbleSVD.h.

Member Enumeration Documentation

enum SVD::driver

Enumerator:

GESVD
GESDD

Definition at line 44 of file dbleSVD.h.

enum SVD::type

Enumerator:

std
economy
sigma_only

Definition at line 37 of file dbleSVD.h.

Constructor & Destructor Documentation

SVD::SVD ( void  )

inline

Definition at line 50 of file dbleSVD.h.

SVD::SVD ( const Matrix &  a, type  svd_type = SVD::std, driver  svd_driver = SVD::GESVD  )

inline

Definition at line 52 of file dbleSVD.h.

SVD::SVD ( const Matrix &  a, octave_idx_type &  info, type  svd_type = SVD::std, driver  svd_driver = SVD::GESVD  )

inline

Definition at line 59 of file dbleSVD.h.

SVD::SVD ( const SVD &  a )

inline

Definition at line 66 of file dbleSVD.h.

SVD::~SVD ( void  )

inline

Definition at line 84 of file dbleSVD.h.

Member Function Documentation

octave_idx_type SVD::init ( const Matrix &  a, SVD::type  svd_type = std, SVD::driver  svd_driver = GESVD  )

private

Definition at line 84 of file dbleSVD.cc.

References Array< T >::cols(), economy, F77_CHAR_ARG_LEN, F77_CONST_CHAR_ARG2, F77_XFCN, DiagArray2< T >::fortran_vec(), Array< T >::fortran_vec(), GESDD, GESVD, left_sm, max(), OCTAVE_LOCAL_BUFFER, Matrix::resize(), DiagArray2< T >::resize(), Array< T >::resize(), right_sm, Array< T >::rows(), sigma, sigma_only, Matrix::transpose(), and type_computed.

Matrix SVD::left_singular_matrix

(

void

)

const

Definition at line 58 of file dbleSVD.cc.

References left_sm, sigma_only, and type_computed.

Referenced by Fsvd(), operator<<(), and Matrix::pseudo_inverse().

SVD& SVD::operator= ( const SVD &  a )

inline

Definition at line 71 of file dbleSVD.h.

References left_sm, right_sm, sigma, and type_computed.

Matrix SVD::right_singular_matrix

(

void

)

const

Definition at line 71 of file dbleSVD.cc.

References right_sm, sigma_only, and type_computed.

Referenced by Fsvd(), null(), operator<<(), and Matrix::pseudo_inverse().

DiagMatrix SVD::singular_values ( void  ) const

inline

Definition at line 86 of file dbleSVD.h.

Referenced by Fsvd(), null(), operator<<(), and Matrix::pseudo_inverse().

Friends And Related Function Documentation

std::ostream& operator<< ( std::ostream &  os, const SVD &  a  )

friend

Definition at line 204 of file dbleSVD.cc.

Member Data Documentation

Matrix SVD::left_sm

private

Definition at line 99 of file dbleSVD.h.

Referenced by init(), left_singular_matrix(), and operator=().

Matrix SVD::right_sm

private

Definition at line 100 of file dbleSVD.h.

Referenced by init(), operator=(), and right_singular_matrix().

DiagMatrix SVD::sigma

private

Definition at line 98 of file dbleSVD.h.

Referenced by init(), and operator=().

SVD::type SVD::type_computed

private

Definition at line 96 of file dbleSVD.h.

Referenced by init(), left_singular_matrix(), operator=(), and right_singular_matrix().

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

• liboctave/numeric/dbleSVD.h
• liboctave/numeric/dbleSVD.cc