spams::FISTA::GroupProx< T, Reg > Class Template Reference

#include <fista.h>

Inheritance diagram for spams::FISTA::GroupProx< T, Reg >:

Collaboration diagram for spams::FISTA::GroupProx< T, Reg >:

Detailed Description

template<typename T, typename Reg>
class spams::FISTA::GroupProx< T, Reg >

Definition at line 1657 of file fista.h.

Public Member Functions
T	eval (const Vector< T > &x) const
void	fenchel (const Vector< T > &x, T &val, T &scal) const
	GroupProx (const ParamReg< T > &param)
virtual bool	is_fenchel () const
void	prox (const Vector< T > &x, Vector< T > &y, const T lambda)
virtual	~GroupProx ()
Public Member Functions inherited from spams::FISTA::Regularizer< T >
virtual T	eval_dual_norm (const Vector< T > &x) const
virtual T	eval_dual_norm_paths (const Vector< T > &x, SpMatrix< T > &path) const
virtual T	eval_paths (const Vector< T > &x, SpMatrix< T > &paths_mat) const
virtual bool	is_intercept () const
virtual bool	is_subgrad () const
	Regularizer ()
	Regularizer (const ParamReg< T > &param)
virtual void	reset ()
virtual void	sub_grad (const Vector< T > &input, Vector< T > &output) const
virtual	~Regularizer ()

Protected Attributes
std::vector< list_int * >	_groups
Reg *	_prox
int	_size_group
Protected Attributes inherited from spams::FISTA::Regularizer< T >
bool	_intercept
bool	_pos

Constructor & Destructor Documentation

template<typename T , typename Reg >

spams::FISTA::GroupProx< T, Reg >::GroupProx ( const ParamReg< T > &  param )

inline

Definition at line 1659 of file fista.h.

References spams::FISTA::ParamReg< T >::groups, spams::FISTA::ParamReg< T >::intercept, MAX, spams::FISTA::ParamReg< T >::ngroups, spams::List< T >::push_back(), and spams::FISTA::ParamReg< T >::size_group.

Here is the call graph for this function:

template<typename T , typename Reg >

virtual spams::FISTA::GroupProx< T, Reg >::~GroupProx ( )

inlinevirtual

Definition at line 1672 of file fista.h.

Member Function Documentation

template<typename T , typename Reg >

T spams::FISTA::GroupProx< T, Reg >::eval ( const Vector< T > &  x ) const

inlinevirtual

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

Definition at line 1706 of file fista.h.

References spams::List< T >::begin(), spams::List< T >::end(), spams::Vector< T >::n(), spams::Vector< T >::rawX(), spams::Vector< T >::setPointer(), and spams::List< T >::size().

Here is the call graph for this function:

template<typename T , typename Reg >

void spams::FISTA::GroupProx< T, Reg >::fenchel ( const Vector< T > &  input, T &  val, T &  scal  ) const

inlinevirtual

returns phi^star( input ) and ouput=input if the fenchel is unconstrained returns 0 and scale input such that phi^star(output)=0 otherwise

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

Definition at line 1730 of file fista.h.

References spams::List< T >::begin(), spams::List< T >::end(), MIN, spams::Vector< T >::n(), spams::Vector< T >::rawX(), spams::Vector< T >::setPointer(), and spams::List< T >::size().

Here is the call graph for this function:

template<typename T , typename Reg >

virtual bool spams::FISTA::GroupProx< T, Reg >::is_fenchel ( ) const

inlinevirtual

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

Definition at line 1729 of file fista.h.

template<typename T , typename Reg >

void spams::FISTA::GroupProx< T, Reg >::prox ( const Vector< T > &  x, Vector< T > &  y, const T  lambda  )

inlinevirtual

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

Definition at line 1677 of file fista.h.

References spams::List< T >::begin(), spams::Vector< T >::copy(), spams::List< T >::end(), spams::Vector< T >::n(), spams::Vector< T >::rawX(), spams::Vector< T >::setPointer(), and spams::List< T >::size().

Here is the call graph for this function:

Member Data Documentation

template<typename T , typename Reg >

std::vector<list_int*> spams::FISTA::GroupProx< T, Reg >::_groups

protected

Definition at line 1761 of file fista.h.

template<typename T , typename Reg >

Reg* spams::FISTA::GroupProx< T, Reg >::_prox

protected

Definition at line 1762 of file fista.h.

template<typename T , typename Reg >

int spams::FISTA::GroupProx< T, Reg >::_size_group

protected

Definition at line 1758 of file fista.h.

---

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

• ThirdParty/Spams/include/fista.h