spams::FISTA::SqLoss< T > Class Template Reference

#include <fista.h>

Inheritance diagram for spams::FISTA::SqLoss< T >:

Collaboration diagram for spams::FISTA::SqLoss< T >:

Detailed Description

template<typename T>
class spams::FISTA::SqLoss< T >

Definition at line 359 of file fista.h.

Public Member Functions
void	add_mult_design_matrix (const Vector< T > &prim, Vector< T > &out, const T fact) const
void	compute_new_prim (Vector< T > &prim, const Vector< T > &prim_var, const Vector< T > &dual_var, const T gamma, const T delta) const
T	eval (const Vector< T > &alpha) const
T	eval_split (const Matrix< T > &input) const
virtual T	fenchel (const Vector< T > &input) const
void	grad (const Vector< T > &alpha, Vector< T > &grad) const
void	init (const Vector< T > &x)
void	init_prim_var (Vector< T > &prim_var) const
void	init_split_variables (Matrix< T > &splitted_w) const
int	num_components () const
virtual void	prox_prim_var (Vector< T > &out, const Vector< T > &dual_var, const Vector< T > &prim_var, const T c) const
void	prox_split (Matrix< T > &splitted_w, const T lambda) const
	SqLoss (const AbstractMatrixB< T > &D)
	SqLoss (const AbstractMatrixB< T > &D, const Matrix< T > &G)
virtual bool	test_backtracking (const Vector< T > &y, const Vector< T > &grad, const Vector< T > &prox, const T L) const
virtual void	var_fenchel (const Vector< T > &x, Vector< T > &grad1, Vector< T > &grad2, const bool intercept) const
virtual	~SqLoss ()
Public Member Functions inherited from spams::FISTA::Loss< T >
virtual bool	is_fenchel () const
	Loss ()
virtual	~Loss ()
Public Member Functions inherited from spams::FISTA::SplittingFunction< T >
virtual T	eval_weighted (const Vector< T > &input, const Matrix< T > &input_struct, const T *weights) const
virtual void	reset ()
	SplittingFunction ()
virtual	~SplittingFunction ()

Private Member Functions
SqLoss< T > &	operator= (const SqLoss< T > &dict)
	SqLoss (const SqLoss< T > &dict)

Private Attributes
bool	_compute_gram
const AbstractMatrixB< T > *	_D
Vector< T >	_DtX
const Matrix< T > *	_G
Vector< T >	_x

Constructor & Destructor Documentation

template<typename T>

spams::FISTA::SqLoss< T >::SqLoss ( const AbstractMatrixB< T > &  D )

inline

Definition at line 361 of file fista.h.

template<typename T>

spams::FISTA::SqLoss< T >::SqLoss ( const AbstractMatrixB< T > &  D, const Matrix< T > &  G  )

inline

Definition at line 362 of file fista.h.

template<typename T>

virtual spams::FISTA::SqLoss< T >::~SqLoss ( )

inlinevirtual

Definition at line 363 of file fista.h.

template<typename T>

spams::FISTA::SqLoss< T >::SqLoss ( const SqLoss< T > &  dict )

explicitprivate

Member Function Documentation

template<typename T>

void spams::FISTA::SqLoss< T >::add_mult_design_matrix ( const Vector< T > &  prim, Vector< T > &  out, const T  fact  ) const

inlinevirtual

Reimplemented from spams::FISTA::SplittingFunction< T >.

Definition at line 480 of file fista.h.

template<typename T>

void spams::FISTA::SqLoss< T >::compute_new_prim ( Vector< T > &  prim, const Vector< T > &  prim_var, const Vector< T > &  dual_var, const T  gamma, const T  delta  ) const

inlinevirtual

Reimplemented from spams::FISTA::SplittingFunction< T >.

Definition at line 471 of file fista.h.

References spams::Vector< T >::add(), spams::Vector< T >::mult(), and spams::Vector< T >::scal().

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template<typename T>

T spams::FISTA::SqLoss< T >::eval ( const Vector< T > &  alpha ) const

inlinevirtual

Implements spams::FISTA::SplittingFunction< T >.

Definition at line 372 of file fista.h.

References spams::Vector< T >::copy(), spams::Vector< T >::n(), spams::Vector< T >::nrm2sq(), and spams::Vector< T >::toSparse().

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template<typename T>

T spams::FISTA::SqLoss< T >::eval_split ( const Matrix< T > &  input ) const

inlinevirtual

Implements spams::FISTA::SplittingFunction< T >.

Definition at line 441 of file fista.h.

References spams::Matrix< T >::refCol().

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template<typename T>

virtual T spams::FISTA::SqLoss< T >::fenchel ( const Vector< T > &  input ) const

inlinevirtual

Implements spams::FISTA::Loss< T >.

Definition at line 413 of file fista.h.

References spams::Vector< T >::dot(), and spams::Vector< T >::nrm2sq().

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template<typename T>

void spams::FISTA::SqLoss< T >::grad ( const Vector< T > &  alpha, Vector< T > &  grad  ) const

inlinevirtual

Implements spams::FISTA::Loss< T >.

Definition at line 384 of file fista.h.

References spams::Vector< T >::copy(), spams::Vector< T >::n(), and spams::Vector< T >::toSparse().

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template<typename T>

void spams::FISTA::SqLoss< T >::init ( const Vector< T > &  x )

inlinevirtual

Reimplemented from spams::FISTA::SplittingFunction< T >.

Definition at line 365 of file fista.h.

template<typename T>

void spams::FISTA::SqLoss< T >::init_prim_var ( Vector< T > &  prim_var ) const

inlinevirtual

Reimplemented from spams::FISTA::SplittingFunction< T >.

Definition at line 458 of file fista.h.

References spams::Vector< T >::resize(), and spams::Vector< T >::setZeros().

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template<typename T>

void spams::FISTA::SqLoss< T >::init_split_variables ( Matrix< T > &  splitted_w ) const

inlinevirtual

Implements spams::FISTA::SplittingFunction< T >.

Definition at line 454 of file fista.h.

References spams::Matrix< T >::resize(), and spams::Matrix< T >::setZeros().

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template<typename T>

int spams::FISTA::SqLoss< T >::num_components ( ) const

inlinevirtual

Implements spams::FISTA::SplittingFunction< T >.

Definition at line 427 of file fista.h.

template<typename T>

SqLoss<T>& spams::FISTA::SqLoss< T >::operator= ( const SqLoss< T > &  dict )

private

template<typename T>

virtual void spams::FISTA::SqLoss< T >::prox_prim_var ( Vector< T > &  out, const Vector< T > &  dual_var, const Vector< T > &  prim_var, const T  c  ) const

inlinevirtual

Reimplemented from spams::FISTA::SplittingFunction< T >.

Definition at line 462 of file fista.h.

References spams::Vector< T >::add(), spams::FISTA::ParamFISTA< T >::c, spams::Vector< T >::copy(), spams::FISTA::ParamFISTA< T >::gamma, and spams::Vector< T >::scal().

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template<typename T>

void spams::FISTA::SqLoss< T >::prox_split ( Matrix< T > &  splitted_w, const T  lambda  ) const

inlinevirtual

Implements spams::FISTA::SplittingFunction< T >.

Definition at line 429 of file fista.h.

References spams::Vector< T >::add(), and spams::Matrix< T >::refCol().

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template<typename T>

virtual bool spams::FISTA::SqLoss< T >::test_backtracking ( const Vector< T > &  y, const Vector< T > &  grad, const Vector< T > &  prox, const T  L  ) const

inlinevirtual

Reimplemented from spams::FISTA::Loss< T >.

Definition at line 399 of file fista.h.

References spams::Vector< T >::copy(), spams::Vector< T >::mult(), spams::Vector< T >::n(), spams::Vector< T >::sub(), and spams::Vector< T >::toSparse().

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template<typename T>

virtual void spams::FISTA::SqLoss< T >::var_fenchel ( const Vector< T > &  x, Vector< T > &  grad1, Vector< T > &  grad2, const bool  intercept  ) const

inlinevirtual

Implements spams::FISTA::Loss< T >.

Definition at line 416 of file fista.h.

References spams::Vector< T >::copy(), spams::Vector< T >::n(), spams::Vector< T >::toSparse(), and spams::Vector< T >::whiten().

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Member Data Documentation

template<typename T>

bool spams::FISTA::SqLoss< T >::_compute_gram

private

Definition at line 490 of file fista.h.

template<typename T>

const AbstractMatrixB<T>* spams::FISTA::SqLoss< T >::_D

private

Definition at line 488 of file fista.h.

template<typename T>

Vector<T> spams::FISTA::SqLoss< T >::_DtX

private

Definition at line 492 of file fista.h.

template<typename T>

const Matrix<T>* spams::FISTA::SqLoss< T >::_G

private

Definition at line 491 of file fista.h.

template<typename T>

Vector<T> spams::FISTA::SqLoss< T >::_x

private

Definition at line 489 of file fista.h.

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

• ThirdParty/Spams/include/fista.h