spams::ProdMatrix< T > Class Template Reference

#include <linalg.h>

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Detailed Description

template<typename T>
class spams::ProdMatrix< T >

Class representing the product of two matrices.

Definition at line 998 of file linalg.h.

Public Member Functions
virtual void	add_rawCol (const int i, T *DtXi, const T a) const
void	addDiag (const T diag)
void	copyCol (const int i, Vector< T > &DtXi) const
void	diag (Vector< T > &diag) const
void	extract_rawCol (const int i, T *DtXi) const
int	m () const
int	n () const
T	operator() (const int index1, const int index2) const
T	operator[] (const int index) const
	ProdMatrix ()
	ProdMatrix (const Matrix< T > &D, const bool high_memory=true)
	ProdMatrix (const Matrix< T > &D, const Matrix< T > &X, const bool high_memory=true)
void	setMatrices (const Matrix< T > &D, const bool high_memory=true)
void	setMatrices (const Matrix< T > &D, const Matrix< T > &X, const bool high_memory=true)
	~ProdMatrix ()
Public Member Functions inherited from spams::AbstractMatrix< T >
virtual	~AbstractMatrix ()

Private Attributes
T	_addDiag
const Matrix< T > *	_D
Matrix< T > *	_DtX
bool	_high_memory
int	_m
int	_n
const Matrix< T > *	_X

Constructor & Destructor Documentation

template<typename T >

spams::ProdMatrix< T >::ProdMatrix

(

)

Definition at line 5020 of file linalg.h.

template<typename T >

spams::ProdMatrix< T >::ProdMatrix	(	const Matrix< T > &	D,
		const bool	high_memory = true
	)

Constructor. Matrix D'*D is represented.

Constructor. Matrix D'*X is represented.

Definition at line 5031 of file linalg.h.

template<typename T >

spams::ProdMatrix< T >::ProdMatrix	(	const Matrix< T > &	D,
		const Matrix< T > &	X,
		const bool	high_memory = true
	)

Constructor. Matrix D'*X is represented.

Definition at line 5038 of file linalg.h.

template<typename T>

spams::ProdMatrix< T >::~ProdMatrix ( )

inline

Constructor, D'*X is represented, with optional transpositions.

Destructor

Definition at line 1010 of file linalg.h.

Member Function Documentation

template<typename T >

void spams::ProdMatrix< T >::add_rawCol ( const int  i, T *  DtXi, const T  a  ) const

inlinevirtual

compute DtX(:,i)

Implements spams::AbstractMatrix< T >.

Definition at line 5099 of file linalg.h.

template<typename T >

void spams::ProdMatrix< T >::addDiag ( const T  diag )

inline

add something to the diagonal

Definition at line 5112 of file linalg.h.

Referenced by spams::lasso_mask(), spams::lassoReweighted(), spams::lassoWeight(), and spams::omp_mask().

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template<typename T >

void spams::ProdMatrix< T >::copyCol ( const int  i, Vector< T > &  DtXi  ) const

inlinevirtual

compute DtX(:,i)

Implements spams::AbstractMatrix< T >.

Definition at line 5075 of file linalg.h.

Referenced by spams::ist().

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template<typename T >

void spams::ProdMatrix< T >::diag ( Vector< T > &  diag ) const

inlinevirtual

add something to the diagonal

Implements spams::AbstractMatrix< T >.

Definition at line 5148 of file linalg.h.

References spams::Vector< T >::dot().

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template<typename T >

void spams::ProdMatrix< T >::extract_rawCol ( const int  i, T *  DtXi  ) const

inlinevirtual

compute DtX(:,i)

Implements spams::AbstractMatrix< T >.

Definition at line 5087 of file linalg.h.

template<typename T>

int spams::ProdMatrix< T >::m ( ) const

inlinevirtual

returns the number of rows

Implements spams::AbstractMatrix< T >.

Definition at line 1029 of file linalg.h.

References spams::Data< T >::operator[]().

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template<typename T>

int spams::ProdMatrix< T >::n ( ) const

inlinevirtual

returns the number of columns

Implements spams::AbstractMatrix< T >.

Definition at line 1027 of file linalg.h.

template<typename T >

T spams::ProdMatrix< T >::operator() ( const int  index1, const int  index2  ) const

inlinevirtual

returns the value of an index

Implements spams::AbstractMatrix< T >.

Definition at line 5136 of file linalg.h.

References spams::Vector< T >::dot().

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template<typename T >

T spams::ProdMatrix< T >::operator[] ( const int  index ) const

inline

returns the value of an index

Definition at line 5122 of file linalg.h.

References spams::Vector< T >::dot().

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template<typename T >

void spams::ProdMatrix< T >::setMatrices ( const Matrix< T > &  D, const bool  high_memory = true  )

inline

set_matrices

Definition at line 5059 of file linalg.h.

References spams::Matrix< T >::n(), and spams::Matrix< T >::XtX().

Referenced by spams::lasso_mask(), and spams::omp_mask().

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template<typename T >

void spams::ProdMatrix< T >::setMatrices ( const Matrix< T > &  D, const Matrix< T > &  X, const bool  high_memory = true  )

inline

Definition at line 5044 of file linalg.h.

References spams::Matrix< T >::mult(), and spams::Matrix< T >::n().

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Member Data Documentation

template<typename T>

T spams::ProdMatrix< T >::_addDiag

private

Definition at line 1043 of file linalg.h.

template<typename T>

const Matrix<T>* spams::ProdMatrix< T >::_D

private

Definition at line 1039 of file linalg.h.

template<typename T>

Matrix<T>* spams::ProdMatrix< T >::_DtX

private

Depending on the mode, DtX is a matrix, or two matrices.

Definition at line 1037 of file linalg.h.

template<typename T>

bool spams::ProdMatrix< T >::_high_memory

private

Definition at line 1040 of file linalg.h.

template<typename T>

int spams::ProdMatrix< T >::_m

private

Definition at line 1042 of file linalg.h.

template<typename T>

int spams::ProdMatrix< T >::_n

private

Definition at line 1041 of file linalg.h.

template<typename T>

const Matrix<T>* spams::ProdMatrix< T >::_X

private

Definition at line 1038 of file linalg.h.

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

• ThirdParty/Spams/include/linalg.h