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

#include <fista.h>

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Detailed Description

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

Definition at line 689 of file fista.h.

Public Member Functions
T	eval (const Matrix< T > &W) const
virtual T	fenchel (const Matrix< T > &input) const
void	grad (const Matrix< T > &W, Matrix< T > &grad) const
void	init (const Vector< T > &y)
	MultiLogLoss (const AbstractMatrixB< T > &X)
virtual void	var_fenchel (const Matrix< T > &W, Matrix< T > &grad1, Matrix< T > &grad2, const bool intercept) const
virtual	~MultiLogLoss ()
Public Member Functions inherited from spams::FISTA::Loss< T, Matrix< T > >
virtual bool	is_fenchel () const
	Loss ()
virtual bool	test_backtracking (const Matrix< T > &y, const Matrix< T > &grad, const Matrix< T > &prox, const T L) const
virtual	~Loss ()

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

Private Attributes
const AbstractMatrixB< T > *	_X
Vector< int >	_y

Constructor & Destructor Documentation

template<typename T>

spams::FISTA::MultiLogLoss< T >::MultiLogLoss ( const AbstractMatrixB< T > &  X )

inline

Definition at line 691 of file fista.h.

template<typename T>

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

inlinevirtual

Definition at line 693 of file fista.h.

template<typename T>

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

explicitprivate

Member Function Documentation

template<typename T>

T spams::FISTA::MultiLogLoss< T >::eval ( const Matrix< T > &  W ) const

inlinevirtual

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

Definition at line 700 of file fista.h.

References spams::Matrix< T >::multSwitch(), spams::Matrix< T >::n(), spams::Matrix< T >::refCol(), and spams::Vector< T >::softmax().

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template<typename T>

virtual T spams::FISTA::MultiLogLoss< T >::fenchel ( const Matrix< T > &  input ) const

inlinevirtual

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

Definition at line 739 of file fista.h.

References spams::Matrix< T >::m(), spams::Matrix< T >::n(), spams::Matrix< T >::refCol(), and spams::xlogx().

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template<typename T>

void spams::FISTA::MultiLogLoss< T >::grad ( const Matrix< T > &  W, Matrix< T > &  grad  ) const

inlinevirtual

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

Definition at line 712 of file fista.h.

References spams::Vector< T >::add(), spams::Vector< T >::exp(), spams::Vector< T >::fmax(), spams::Matrix< T >::m(), spams::Matrix< T >::multSwitch(), spams::Matrix< T >::n(), spams::Vector< T >::n(), spams::Matrix< T >::refCol(), spams::Matrix< T >::resize(), spams::Matrix< T >::scal(), spams::Vector< T >::scal(), spams::Vector< T >::setZeros(), and spams::Vector< T >::sum().

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template<typename T>

void spams::FISTA::MultiLogLoss< T >::init ( const Vector< T > &  y )

inlinevirtual

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

Definition at line 695 of file fista.h.

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

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template<typename T>

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

private

template<typename T>

virtual void spams::FISTA::MultiLogLoss< T >::var_fenchel ( const Matrix< T > &  W, Matrix< T > &  grad1, Matrix< T > &  grad2, const bool  intercept  ) const

inlinevirtual

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

Definition at line 755 of file fista.h.

References spams::Vector< T >::add(), spams::Vector< T >::exp(), spams::Matrix< T >::extractRow(), spams::Vector< T >::fmax(), spams::Matrix< T >::m(), spams::Matrix< T >::n(), spams::Vector< T >::n(), spams::Vector< T >::project_sft(), spams::Matrix< T >::refCol(), spams::Matrix< T >::resize(), spams::Matrix< T >::scal(), spams::Vector< T >::scal(), spams::Matrix< T >::setRow(), spams::Vector< T >::setZeros(), and spams::Vector< T >::sum().

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Member Data Documentation

template<typename T>

const AbstractMatrixB<T>* spams::FISTA::MultiLogLoss< T >::_X

private

Definition at line 793 of file fista.h.

template<typename T>

Vector<int> spams::FISTA::MultiLogLoss< T >::_y

private

Definition at line 794 of file fista.h.

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

• ThirdParty/Spams/include/fista.h