#include <linalg.h>

Inheritance diagram for spams::Vector< T >:

Collaboration diagram for spams::Vector< T >:

Detailed Description

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

Dense Vector class.

Class for dense vector.

Definition at line 65 of file linalg.h.

Public Member Functions
void	add (const Vector< T > &x, const T a=1.0)

void	add (const SpVector< T > &x, const T a=1.0)

void	add (const T a)

T	afused () const

bool	allfalse () const

template<>
bool	allfalse () const

bool	alltrue () const

template<>
bool	alltrue () const

void	applyBayerPattern (const int offset)

T	asum () const

void	clear ()

void	copy (const Vector< T > &x)

void	copyMask (Vector< T > &out, Vector< bool > &mask) const

void	div (const Vector< T > &x)

void	div (const Vector< T > &x, const Vector< T > &y)

T	dot (const Vector< T > &x) const

T	dot (const SpVector< T > &x) const

void	exp ()

void	fakeSize (const int n)

int	fmax () const

T	fmaxval () const

int	fmin () const

T	fminval () const

void	fusedProject (Vector< T > &out, const T lambda1, const T lambda2, const int itermax)

void	fusedProjectHomotopy (Vector< T > &out, const T lambda1, const T lambda2, const T lambda3=0, const bool penalty=true)

void	hardThrshold (const T nu)

void	inv (const Vector< T > &x)

void	inv ()

void	Invsqrt (const Vector< T > &x)

void	Invsqrt ()

T	KL (const Vector< T > &X)

void	l1l2project (Vector< T > &out, const T thrs, const T gamma, const bool pos=false) const

void	l1l2projectb (Vector< T > &out, const T thrs, const T gamma, const bool pos=false, const int mode=1)

void	l1project (Vector< T > &out, const T thrs, const bool simplex=false) const

void	l1project_weighted (Vector< T > &out, const Vector< T > &weights, const T thrs, const bool residual=false) const

void	log ()

void	logexp ()

void	logspace (const int n, const T a, const T b)

template<>
void	logspace (const int n, const int a, const int b)

T	lzero () const

int	max () const

T	maxval () const

T	mean ()

int	min () const

T	minval () const

void	mult (const Vector< T > &x, const Vector< T > &y)

void	mult_elementWise (const Vector< T > &B, Vector< T > &C) const

int	n () const

void	neg ()

int	nnz () const

void	normalize ()

void	normalize2 ()

T	nrm2 () const

T	nrm2sq () const

T &	operator[] (const int index)

T	operator[] (const int index) const

void	print (const char *name) const

template<>
void	print (const char *name) const

template<>
void	print (const char *name) const

template<>
void	print (const char *name) const

template<>
void	print (const char *name) const

void	project_sft (const Vector< int > &labels, const int clas)

void	project_sft_binary (const Vector< T > &labels)

void	randperm (int n)

template<>
void	randperm (int n)

T *	rawX () const

void	resize (const int n)

void	scal (const T a)

void	set (const T val)

void	setAleat ()

void	setData (T *X, const int n)

void	setn (const int n)

void	setPointer (T *X, const int n)

void	setZeros ()

void	sign (Vector< T > &signs) const

T	softmax (const int y)

void	softThrshold (const T nu)

void	sort (Vector< T > &out, const bool mode) const

void	sort (const bool mode)

void	sort2 (Vector< T > &out, Vector< int > &key, const bool mode) const

void	sort2 (Vector< int > &key, const bool mode)

void	sparseProject (Vector< T > &out, const T thrs, const int mode=1, const T lambda1=0, const T lambda2=0, const T lambda3=0, const bool pos=false)

void	sqr (const Vector< T > &x)

void	Sqrt (const Vector< T > &x)

void	Sqrt ()

T	std ()

void	sub (const Vector< T > &x)

void	sub (const SpVector< T > &x)

T	sum () const

void	thrsabsmin (const T nu)

void	thrshold (const T nu)

void	thrsmax (const T nu)

void	thrsmin (const T nu)

void	thrsPos ()

void	toSparse (SpVector< T > &vec) const

void	unwhiten (Vector< T > &mean, const bool pattern=false)

	Vector ()

	Vector (int n)

	Vector (const Vector< T > &vec)

	Vector (T *X, int n)

void	whiten (Vector< T > &mean, const bool pattern=false)

void	whiten (Vector< T > &mean, const Vector< T > &mask)

void	whiten (const int V)

virtual	~Vector ()

Private Member Functions
Vector< T > &	operator= (const Vector< T > &vec)

Private Attributes
bool	_externAlloc

int	_n

T *	_X

Friends
class	Matrix< T >

class	SpMatrix< T >

class	SpVector< T >

Constructor & Destructor Documentation

template<typename T >

spams::Vector< T >::Vector ( )

Empty constructor.

Definition at line 2693 of file linalg.h.

template<typename T >

spams::Vector< T >::Vector ( int n )

Constructor. Create a new vector of size n.

Definition at line 2697 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

template<typename T>

spams::Vector< T >::Vector	(	T *	X,
		int	n
	)

Constructor with existing data.

Definition at line 2706 of file linalg.h.

template<typename T>

spams::Vector< T >::Vector ( const Vector< T > & vec )

explicit

Copy constructor.

Definition at line 2710 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

template<typename T >

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

virtual

Destructor.

Definition at line 2720 of file linalg.h.

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

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Member Function Documentation

template<typename T>

void spams::Vector< T >::add	(	const Vector< T > &	x,
		const T	a = `1.0`
	)

inline

A <- A + a*x.

Definition at line 3029 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

Referenced by spams::SpMatrix< T >::add_direct(), spams::Matrix< T >::addToCols(), spams::Matrix< T >::addVecToCols(), spams::Matrix< T >::center(), spams::FISTA::SqLoss< T >::compute_new_prim(), spams::FISTA::HingeLoss< T >::compute_new_prim(), spams::Matrix< T >::conjugateGradient(), spams::coreORMP(), spams::coreSOMP(), spams::Vector< T >::fusedProjectHomotopy(), spams::FISTA::MultiLogLoss< T >::grad(), spams::FISTA::LinADMM(), spams::ShiftMatrix< T >::mult(), spams::ShiftMatrix< T >::multTrans(), spams::FISTA::SqLoss< T >::prox_prim_var(), spams::FISTA::SqLoss< T >::prox_split(), spams::FISTA::HingeLoss< T >::prox_split(), spams::Matrix< T >::rank1Update(), spams::Vector< T >::softmax(), spams::Matrix< T >::sum_cols(), spams::SpMatrix< T >::sum_cols(), spams::Trainer< T >::train(), spams::Trainer< T >::trainOffline(), spams::FISTA::update_multipliers_ADMM(), spams::FISTA::update_multipliers_LinADMM(), spams::FISTA::update_multipliers_weighted_ADMM(), spams::FISTA::LogLoss< T, weighted >::var_fenchel(), and spams::FISTA::MultiLogLoss< T >::var_fenchel().

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template<typename T>

void spams::Vector< T >::add	(	const SpVector< T > &	x,
		const T	a = `1.0`
	)

inline

A <- A + a*x.

Definition at line 3035 of file linalg.h.

References spams::SpVector< T >::_L, spams::SpVector< T >::_r, spams::SpVector< T >::_v, and spams::Vector< T >::_X.

template<typename T>

void spams::Vector< T >::add ( const T a )

inline

adds a to each value in the vector

Definition at line 3047 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

template<typename T >

T spams::Vector< T >::afused ( ) const

inline

compute the sum of the differences

Definition at line 3336 of file linalg.h.

References spams::Vector< T >::_n, spams::Vector< T >::_X, and spams::Vector< T >::sum().

Referenced by spams::Vector< T >::fusedProjectHomotopy().

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template<typename T>

bool spams::Vector< T >::allfalse ( ) const

inline

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

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template<>

bool spams::Vector< bool >::allfalse ( ) const

inline

Definition at line 2988 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

template<typename T>

bool spams::Vector< T >::alltrue ( ) const

inline

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

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template<>

bool spams::Vector< bool >::alltrue ( ) const

inline

Definition at line 2980 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

template<typename T >

void spams::Vector< T >::applyBayerPattern ( const int offset )

inline

sort the vector

Definition at line 3917 of file linalg.h.

References spams::Vector< T >::_n, spams::Vector< T >::_X, and spams::Vector< T >::n().

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template<typename T >

T spams::Vector< T >::asum ( ) const

inline

computes the sum of the magnitudes of the vector

Definition at line 3324 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

Referenced by spams::coreGroupIST(), spams::coreIST(), spams::coreISTconstrained(), spams::Tree_Seq< T >::dual_norm_inf(), spams::FISTA::Lasso< T >::eval(), spams::FISTA::MixedL1L2< T >::eval(), spams::FISTA::MixedL1LINF< T >::eval(), spams::FISTA::normLINF< T >::fenchel(), spams::Vector< T >::fusedProjectHomotopy(), and spams::ist().

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template<typename T >

void spams::Vector< T >::clear ( )

inline

clear the vector

Definition at line 2917 of file linalg.h.

References spams::Vector< T >::_externAlloc, spams::Vector< T >::_n, and spams::Vector< T >::_X.

Referenced by spams::Matrix< T >::refCol(), spams::Vector< T >::resize(), spams::Vector< T >::setPointer(), spams::Matrix< T >::toVect(), and spams::Vector< T >::~Vector().

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template<typename T>

void spams::Vector< T >::copy ( const Vector< T > & x )

inline

make a copy of x

Definition at line 2865 of file linalg.h.

References spams::Vector< T >::_n, spams::Vector< T >::_X, spams::Vector< T >::n(), and spams::Vector< T >::resize().

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template<typename T>

void spams::Vector< T >::copyMask	(	Vector< T > &	out,
		Vector< bool > &	mask
	)		const

inline

extract the rows of a matrix corresponding to a binary mask

Definition at line 4041 of file linalg.h.

References spams::Vector< T >::_n, spams::Vector< T >::_X, spams::Vector< T >::resize(), and spams::Vector< T >::setn().

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

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template<typename T>

void spams::Vector< T >::div ( const Vector< T > & x )

inline

A <- A ./ x.

Definition at line 3064 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

Referenced by spams::coreLARS2W(), spams::coreORMP(), spams::coreSOMP(), spams::Vector< T >::l1project_weighted(), spams::FISTA::update_multipliers_ADMM(), spams::FISTA::update_multipliers_LinADMM(), and spams::FISTA::update_multipliers_weighted_ADMM().

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template<typename T>

void spams::Vector< T >::div	(	const Vector< T > &	x,
		const Vector< T > &	y
	)

inline

A <- x ./ y.

Definition at line 3070 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

template<typename T>

T spams::Vector< T >::dot ( const Vector< T > & x ) const

inline

returns A'x

Definition at line 3012 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

Referenced by spams::computeError(), spams::Matrix< T >::conjugateGradient(), spams::coreSOMP(), spams::ProdMatrix< T >::diag(), spams::SpMatrix< T >::dot_direct(), spams::Matrix< T >::eigLargestSymApprox(), spams::FISTA::SqLossMissing< T >::fenchel(), spams::FISTA::SqLoss< T >::fenchel(), spams::Matrix< T >::multTrans(), spams::ProdMatrix< T >::operator()(), spams::ProdMatrix< T >::operator[](), spams::FISTA::GraphLasso< T >::prox(), spams::Matrix< T >::quad(), and spams::Matrix< T >::svdRankOne().

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template<typename T>

T spams::Vector< T >::dot ( const SpVector< T > & x ) const

inline

returns A'x, when x is sparse

Definition at line 3018 of file linalg.h.

References spams::SpVector< T >::_L, spams::SpVector< T >::_r, spams::SpVector< T >::_v, spams::Vector< T >::_X, and spams::Vector< T >::sum().

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template<typename T >

void spams::Vector< T >::exp ( )

inline

replace each value by its exponential

Definition at line 3287 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

Referenced by spams::FISTA::MultiLogLoss< T >::grad(), spams::Vector< T >::softmax(), spams::FISTA::LogLoss< T, weighted >::var_fenchel(), and spams::FISTA::MultiLogLoss< T >::var_fenchel().

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template<typename T>

void spams::Vector< T >::fakeSize ( const int n )

inline

change artificially the size of the vector, DANGEROUS

Definition at line 595 of file linalg.h.

template<typename T >

int spams::Vector< T >::fmax ( ) const

inline

returns the index of the value with largest magnitude

Definition at line 2843 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

Referenced by spams::coreLARS(), spams::coreLARS2(), spams::coreLARS2W(), spams::coreORMP(), spams::Vector< T >::fmaxval(), spams::Vector< T >::fusedProjectHomotopy(), spams::FISTA::MultiLogLoss< T >::grad(), and spams::FISTA::MultiLogLoss< T >::var_fenchel().

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template<typename T >

T spams::Vector< T >::fmaxval ( ) const

inline

returns the maximum magnitude

Definition at line 2799 of file linalg.h.

References spams::Vector< T >::_X, and spams::Vector< T >::fmax().

Referenced by spams::coreIST(), spams::coreISTconstrained(), spams::FISTA::normLINF< T >::eval(), spams::FISTA::GraphLasso< T >::eval_weighted(), spams::FISTA::Lasso< T >::fenchel(), spams::FISTA::LassoConstraint< T >::fenchel(), spams::FISTA::MixedL1L2< T >::fenchel(), spams::FISTA::MixedL1LINF< T >::fenchel(), spams::FISTA::TraceNorm< T >::fenchel(), spams::SpVector< T >::fmaxval(), spams::GraphPath< T, Int >::init_graph(), spams::Matrix< T >::merge(), spams::Matrix< T >::norm_inf_cols(), and spams::GraphPath< T, Int >::scale_costs().

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template<typename T >

int spams::Vector< T >::fmin ( ) const

inline

returns the index of the value with smallest magnitude

Definition at line 2848 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

Referenced by spams::Vector< T >::fminval(), and spams::Vector< T >::fusedProjectHomotopy().

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template<typename T >

T spams::Vector< T >::fminval ( ) const

inline

returns the minimum magnitude

Definition at line 2804 of file linalg.h.

References spams::Vector< T >::_X, and spams::Vector< T >::fmin().

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template<typename T>

void spams::Vector< T >::fusedProject	(	Vector< T > &	out,
		const T	lambda1,
		const T	lambda2,
		const int	itermax
	)

inline

Modification of beta

Update first coordinate

Update alpha_j

Definition at line 3846 of file linalg.h.

References spams::Vector< T >::_X, spams::Vector< T >::n(), spams::Vector< T >::rawX(), spams::softThrs(), spams::Vector< T >::softThrshold(), and spams::Vector< T >::sum().

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template<typename T>

void spams::Vector< T >::fusedProjectHomotopy	(	Vector< T > &	out,
		const T	lambda1,
		const T	lambda2,
		const T	lambda3 = `0`,
		const bool	penalty = `true`
	)

inline

Computation of DtR

first element is selected, gamma and alpha are updated

update alpha

update DtR

Solve the Lasso using simplified LARS

exit if constraints are satisfied min_u ||b-u||_2^2 + lambda1||u||_1 +lambda2 Fused(u) + 0.5lambda3||u||_2^2

min_u ||b-u||_2^2 / lambda1||u||_1 +lambda2 Fused(u) + 0.5lambda3||u||_2^2 <= 1.0

Update pr_ind and pr_c

Compute DDu

Check constraints

Check changes of sign

Check new variables entering the active set

Update gamma, alpha, DtR, currentLambda

Update signs,pr_ind, pr_c

Definition at line 3675 of file linalg.h.

References spams::Vector< T >::_n, spams::Vector< T >::_X, spams::Vector< T >::add(), spams::Vector< T >::afused(), spams::Vector< T >::asum(), spams::Vector< T >::copy(), spams::Vector< T >::fmax(), spams::Vector< T >::fmin(), INFINITY, MIN, spams::Vector< T >::nrm2sq(), spams::Vector< T >::rawX(), spams::Vector< T >::scal(), spams::Vector< T >::set(), spams::Vector< T >::setZeros(), spams::Vector< T >::softThrshold(), spams::Vector< T >::sub(), and spams::Vector< T >::sum().

Referenced by spams::FISTA::FusedLasso< T >::prox(), and spams::Vector< T >::sparseProject().

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template<typename T>

void spams::Vector< T >::hardThrshold ( const T nu )

inline

performs soft-thresholding of the vector

Definition at line 2938 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

Referenced by spams::Matrix< T >::hardThrshold(), and spams::FISTA::Lzero< T >::prox().

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template<typename T>

void spams::Vector< T >::inv ( const Vector< T > & x )

inline

A <- 1./x.

Definition at line 3103 of file linalg.h.

References spams::Vector< T >::_n, spams::Vector< T >::_X, spams::Vector< T >::n(), and spams::Vector< T >::resize().

Referenced by spams::Matrix< T >::inv_elem(), spams::Matrix< T >::NadarayaWatson(), spams::Tree_Seq< T >::proj_weighted_linf(), spams::FISTA::MixedL1L2< T >::sub_grad(), and spams::FISTA::LogLoss< T, weighted >::var_fenchel().

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template<typename T>

void spams::Vector< T >::inv ( )

inline

A <- 1./A.

Definition at line 3109 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

template<typename T>

void spams::Vector< T >::Invsqrt ( const Vector< T > & x )

inline

A <- 1 ./ sqrt(x)

A <- x .^ 2.

Definition at line 3083 of file linalg.h.

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

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template<typename T>

void spams::Vector< T >::Invsqrt ( )

inline

A <- 1 ./ sqrt(A)

A <- x .^ 2.

Definition at line 3093 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

template<typename T>

T spams::Vector< T >::KL ( const Vector< T > & X )

inline

compute the Kuhlback-Leiber divergence

Definition at line 3212 of file linalg.h.

References spams::Vector< T >::_n, spams::Vector< T >::_X, spams::Vector< T >::rawX(), and spams::Vector< T >::sum().

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template<typename T>

void spams::Vector< T >::l1l2project	(	Vector< T > &	out,
		const T	thrs,
		const T	gamma,
		const bool	pos = `false`
	)		const

inline

projects the vector onto the l1 ball of radius thrs, projects the vector onto the l1 ball of radius thrs, returns true if the returned vector is null

returns true if the returned vector is null min_u ||b-u||_2^2 / ||u||_1 + (gamma/2) ||u||_2^2 <= thrs

BEGIN

Definition at line 3593 of file linalg.h.

References spams::Vector< T >::_n, spams::Vector< T >::_X, spams::Vector< T >::copy(), spams::Vector< T >::l1project(), spams::Vector< T >::nrm2sq(), spams::Vector< T >::scal(), spams::Vector< T >::softThrshold(), spams::Vector< T >::sum(), and spams::Vector< T >::thrsPos().

Referenced by spams::Vector< T >::l1l2projectb(), and spams::Vector< T >::sparseProject().

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template<typename T>

void spams::Vector< T >::l1l2projectb	(	Vector< T > &	out,
		const T	thrs,
		const T	gamma,
		const bool	pos = `false`,
		const int	mode = `1`
	)

inline

returns true if the returned vector is null

min_u ||b-u||_2^2 / ||u||_2^2 + gamma ||u||_1 <= thrs

min_u ||b-u||_2^2 / ||u||_1 + (gamma/2) ||u||_2^2 <= thrs

min_u 0.5||b-u||_2^2 + gamma||u||_1 / ||u||_2^2 <= thrs

Definition at line 3567 of file linalg.h.

References spams::Vector< T >::copy(), spams::Vector< T >::l1l2project(), spams::Vector< T >::nrm2(), spams::Vector< T >::scal(), spams::Vector< T >::softThrshold(), and spams::Vector< T >::thrsPos().

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template<typename T>

void spams::Vector< T >::l1project	(	Vector< T > &	out,
		const T	thrs,
		const bool	simplex = `false`
	)		const

inline

projects the vector onto the l1 ball of radius thrs, returns true if the returned vector is null

Definition at line 3364 of file linalg.h.

References spams::Vector< T >::_n, spams::Vector< T >::_X, spams::Vector< T >::copy(), spams::Vector< T >::softThrshold(), spams::Vector< T >::sum(), and spams::Vector< T >::thrsPos().

Referenced by spams::Vector< T >::l1l2project(), spams::FISTA::normLINF< T >::prox(), and spams::Vector< T >::sparseProject().

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template<typename T>

void spams::Vector< T >::l1project_weighted	(	Vector< T > &	out,
		const Vector< T > &	weights,
		const T	thrs,
		const bool	residual = `false`
	)		const

inline

projects the vector onto the l1 ball of radius thrs, returns true if the returned vector is null

Definition at line 3417 of file linalg.h.

References spams::Vector< T >::_n, spams::Vector< T >::_X, spams::Vector< T >::copy(), spams::Vector< T >::div(), MAX, MIN, spams::Vector< T >::setZeros(), and spams::Vector< T >::sort2().

Referenced by spams::MaxFlow< T >::project_weighted().

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template<typename T >

void spams::Vector< T >::log ( )

inline

replace each value by its logarithm

Definition at line 3292 of file linalg.h.

References spams::Vector< T >::_X.

template<typename T >

void spams::Vector< T >::logexp ( )

inline

replace each value by its exponential

Definition at line 3297 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

template<typename T>

void spams::Vector< T >::logspace	(	const int	n,
		const T	a,
		const T	b
	)

inline

generate logarithmically spaced values

Definition at line 2809 of file linalg.h.

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

Referenced by spams::Vector< T >::logspace().

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template<>

void spams::Vector< int >::logspace	(	const int	n,
		const int	a,
		const int	b
	)

inline

generate logarithmically spaced values

Definition at line 2830 of file linalg.h.

References spams::Vector< T >::_n, spams::Vector< T >::_X, spams::Vector< T >::logspace(), and spams::Vector< T >::resize().

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template<typename T >

T spams::Vector< T >::lzero ( ) const

inline

Definition at line 3328 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

Referenced by spams::FISTA::Lzero< T >::eval().

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template<typename T >

int spams::Vector< T >::max ( ) const

inline

returns the index of the largest value

Definition at line 2761 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

Referenced by spams::coreLARS(), spams::coreLARS2(), spams::coreLARS2W(), spams::coreSOMP(), spams::Vector< T >::maxval(), and spams::Vector< T >::softmax().

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template<typename T >

T spams::Vector< T >::maxval ( ) const

inline

returns the maximum value

Definition at line 2789 of file linalg.h.

References spams::Vector< T >::_X, and spams::Vector< T >::max().

Referenced by spams::coreGroupIST(), spams::coreGroupISTConstrained(), spams::FISTA::LassoConstraint< T >::fenchel(), spams::Matrix< T >::NadarayaWatson(), spams::omp(), spams::omp_mask(), and spams::Vector< T >::softmax().

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template<typename T >

T spams::Vector< T >::mean ( )

inline

whiten

return the mean

Definition at line 3260 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::sum().

Referenced by spams::Matrix< T >::mean(), spams::Vector< T >::project_sft(), spams::Vector< T >::project_sft_binary(), spams::Vector< T >::std(), spams::Vector< T >::unwhiten(), and spams::Vector< T >::whiten().

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template<typename T >

int spams::Vector< T >::min ( ) const

inline

returns the index of the minimum value

Definition at line 2775 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

Referenced by spams::Vector< T >::minval().

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template<typename T >

T spams::Vector< T >::minval ( ) const

inline

returns the minimum value

Definition at line 2794 of file linalg.h.

References spams::Vector< T >::_X, and spams::Vector< T >::min().

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template<typename T>

void spams::Vector< T >::mult	(	const Vector< T > &	x,
		const Vector< T > &	y
	)

inline

A <- x .* y.

Definition at line 3114 of file linalg.h.

References spams::Vector< T >::_n, spams::Vector< T >::_X, spams::Vector< T >::n(), and spams::Vector< T >::resize().

Referenced by spams::FISTA::SqLoss< T >::compute_new_prim(), spams::FISTA::HingeLoss< T >::compute_new_prim(), spams::coreSOMP(), spams::Vector< int >::mult_elementWise(), spams::FISTA::SqLoss< T >::test_backtracking(), and spams::FISTA::LogLoss< T, weighted >::var_fenchel().

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template<typename T>

void spams::Vector< T >::mult_elementWise	(	const Vector< T > &	B,
		Vector< T > &	C
	)		const

inline

Definition at line 670 of file linalg.h.

template<typename T>

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

inline

returns the size of the vector

Definition at line 591 of file linalg.h.

template<typename T >

void spams::Vector< T >::neg ( )

inline

A <- -A.

Definition at line 3282 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

Referenced by spams::FISTA::LogLoss< T, weighted >::var_fenchel().

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template<typename T >

int spams::Vector< T >::nnz ( ) const

inline

Definition at line 2822 of file linalg.h.

References spams::Vector< T >::_n, spams::Vector< T >::_X, and spams::Vector< T >::sum().

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template<typename T >

void spams::Vector< T >::normalize ( )

inline

normalize the vector

Definition at line 3122 of file linalg.h.

References EPSILON, spams::Vector< T >::nrm2(), and spams::Vector< T >::scal().

Referenced by spams::Matrix< T >::clean(), spams::Trainer< T >::cleanDict(), spams::Matrix< T >::normalize(), and spams::Matrix< T >::svdRankOne().

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template<typename T >

void spams::Vector< T >::normalize2 ( )

inline

normalize the vector

Definition at line 3128 of file linalg.h.

References spams::Vector< T >::nrm2(), and spams::Vector< T >::scal().

Referenced by spams::Vector< T >::sparseProject(), spams::Trainer< T >::train(), and spams::Trainer< T >::trainOffline().

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template<typename T >

T spams::Vector< T >::nrm2 ( ) const

inline

returns ||A||_2

Algebric operations returns ||A||_2

Definition at line 3002 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

Referenced by spams::Matrix< T >::eigLargestMagnSym(), spams::Matrix< T >::eigLargestSymApprox(), spams::FISTA::normL2< T >::eval(), spams::FISTA::normL2< T >::fenchel(), spams::Vector< T >::l1l2projectb(), spams::Matrix< T >::norm_1_2_col(), spams::Matrix< T >::norm_2_cols(), spams::Matrix< T >::norm_inf_2_col(), spams::Vector< T >::normalize(), spams::Vector< T >::normalize2(), spams::FISTA::normL2< T >::prox(), spams::FISTA::Rank< T >::prox(), spams::FISTA::GraphLasso< T >::prox_split(), and spams::Matrix< T >::svdRankOne().

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template<typename T >

T spams::Vector< T >::nrm2sq ( ) const

inline

returns ||A||_2^2

Definition at line 3007 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

Referenced by spams::computeError(), spams::Matrix< T >::conjugateGradient(), spams::FISTA::SqLossMissing< T >::eval(), spams::FISTA::SqLoss< T >::eval(), spams::FISTA::Ridge< T >::eval(), spams::FISTA::SqLossMissing< T >::fenchel(), spams::FISTA::SqLoss< T >::fenchel(), spams::Vector< T >::fusedProjectHomotopy(), spams::ist(), spams::ist_groupLasso(), spams::Vector< T >::l1l2project(), spams::lasso_mask(), spams::lassoReweighted(), spams::lassoWeight(), spams::lassoWeightPreComputed(), spams::Matrix< T >::norm_2sq_cols(), spams::omp(), spams::omp_mask(), spams::FISTA::GraphLasso< T >::prox(), and spams::Vector< T >::sparseProject().

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template<typename T>

Vector<T>& spams::Vector< T >::operator= ( const Vector< T > & vec )

private

= operator,

template<typename T >

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

inline

returns a reference to X[index]

Definition at line 2853 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

template<typename T >

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

inline

returns X[index]

Definition at line 2859 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

template<typename T>

void spams::Vector< T >::print ( const char * name ) const

inline

Accessors Print the vector to std::cout

template<>

void spams::Vector< double >::print ( const char * name ) const

inline

Print the vector to std::cout.

Definition at line 2725 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

template<>

void spams::Vector< float >::print ( const char * name ) const

inline

Print the vector to std::cout.

Definition at line 2734 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

template<>

void spams::Vector< int >::print ( const char * name ) const

inline

Print the vector to std::cout.

Definition at line 2743 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

template<>

void spams::Vector< bool >::print ( const char * name ) const

inline

Print the vector to std::cout.

Definition at line 2752 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

template<typename T >

void spams::Vector< T >::project_sft	(	const Vector< int > &	labels,
		const int	clas
	)

inline

Definition at line 3482 of file linalg.h.

References spams::Vector< T >::_n, spams::Vector< T >::_X, spams::abs(), EPSILON, and spams::Vector< T >::mean().

Referenced by spams::FISTA::MultiLogLoss< T >::var_fenchel().

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template<typename T>

void spams::Vector< T >::project_sft_binary ( const Vector< T > & labels )

inline

Definition at line 3460 of file linalg.h.

References spams::Vector< T >::_n, spams::Vector< T >::_X, spams::abs(), EPSILON, and spams::Vector< T >::mean().

Referenced by spams::FISTA::LogLoss< T, weighted >::var_fenchel().

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template<typename T>

void spams::Vector< T >::randperm ( int n )

inline

put a random permutation of size n (for integral vectors)

Referenced by spams::Trainer< T >::train(), and spams::Trainer< T >::trainOffline().

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template<>

void spams::Vector< int >::randperm ( int n )

inline

put a random permutation of size n (for integral vectors)

Definition at line 2897 of file linalg.h.

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

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template<typename T>

T* spams::Vector< T >::rawX ( ) const

inline

returns a modifiable reference of the data, DANGEROUS

Definition at line 593 of file linalg.h.

template<typename T >

void spams::Vector< T >::resize ( const int n )

inline

resize the vector

Definition at line 2876 of file linalg.h.

References spams::Vector< T >::_externAlloc, spams::Vector< T >::_n, spams::Vector< T >::_X, spams::Vector< T >::clear(), spams::Vector< T >::n(), and spams::Vector< T >::setZeros().

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template<typename T>

void spams::Vector< T >::scal ( const T a )

inline

scale the vector by a

Definition at line 3277 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

Referenced by spams::Matrix< T >::center_rows(), spams::FISTA::SqLoss< T >::compute_new_prim(), spams::FISTA::HingeLoss< T >::compute_new_prim(), spams::Matrix< T >::conjugateGradient(), spams::Matrix< T >::eigLargestMagnSym(), spams::Matrix< T >::eigLargestSymApprox(), spams::Vector< T >::fusedProjectHomotopy(), spams::FISTA::LogLoss< T, weighted >::grad(), spams::FISTA::MultiLogLoss< T >::grad(), spams::Vector< T >::l1l2project(), spams::Vector< T >::l1l2projectb(), spams::Matrix< T >::mult(), spams::SpMatrix< T >::mult(), spams::ShiftMatrix< T >::mult(), spams::DoubleRowMatrix< T >::mult(), spams::SpMatrix< T >::multTrans(), spams::Vector< T >::normalize(), spams::Vector< T >::normalize2(), spams::FISTA::Ridge< T >::prox(), spams::FISTA::normL2< T >::prox(), spams::FISTA::SqLoss< T >::prox_prim_var(), spams::FISTA::HingeLoss< T >::prox_prim_var(), spams::FISTA::GraphLasso< T >::prox_split(), spams::Vector< T >::sparseProject(), spams::FISTA::Ridge< T >::sub_grad(), spams::Matrix< T >::svdRankOne(), spams::Trainer< T >::train(), spams::Trainer< T >::trainOffline(), spams::FISTA::LogLoss< T, weighted >::var_fenchel(), spams::FISTA::MultiLogLoss< T >::var_fenchel(), and spams::Matrix< T >::whiten().

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template<typename T>

void spams::Vector< T >::set ( const T val )

inline

set each value of the vector to val

Definition at line 2997 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

Referenced by spams::ShiftMatrix< T >::center(), spams::coreGroupIST(), spams::coreGroupISTConstrained(), spams::coreISTconstrained(), spams::coreLARS(), spams::coreLARS2(), spams::coreLARS2W(), spams::coreORMP(), spams::coreORMPB(), spams::coreSOMP(), spams::FISTA::FISTA_Generic(), spams::Vector< T >::fusedProjectHomotopy(), spams::FISTA::ISTA_Generic(), spams::lassoReweighted(), spams::Matrix< T >::meanCol(), spams::Matrix< T >::meanRow(), spams::Matrix< T >::NadarayaWatson(), spams::omp(), spams::omp_mask(), spams::FISTA::subGradientDescent_Generic(), spams::Trainer< T >::train(), spams::FISTA::update_multipliers_ADMM(), spams::FISTA::update_multipliers_LinADMM(), and spams::FISTA::update_multipliers_weighted_ADMM().

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template<typename T >

void spams::Vector< T >::setAleat ( )

inline

put random values in the vector (White Gaussian Noise)

put random values in the vector (white Gaussian Noise)

Definition at line 2912 of file linalg.h.

Referenced by spams::Matrix< T >::clean(), spams::Matrix< T >::eigLargestMagnSym(), spams::FISTA::Rank< T >::eval(), spams::Matrix< T >::normalize(), and spams::Matrix< T >::svdRankOne().

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template<typename T>

void spams::Vector< T >::setData	(	T *	X,
		const int	n
	)

inline

Definition at line 607 of file linalg.h.

Referenced by spams::ShiftMatrix< T >::copyRow(), spams::FISTA::TreeLasso< T >::fenchel(), spams::ShiftMatrix< T >::mult(), spams::ShiftMatrix< T >::multTrans(), spams::Tree_Seq< T >::proj_weighted_linf(), spams::FISTA::TreeLasso< T >::prox(), spams::FISTA::TreeLzero< T >::prox(), and spams::FISTA::GraphLasso< T >::prox_split().

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template<typename T>

void spams::Vector< T >::setn ( const int n )

inline

Definition at line 627 of file linalg.h.

Referenced by spams::Vector< T >::copyMask(), spams::lasso_mask(), spams::omp_mask(), and spams::MaxFlow< T >::project_weighted().

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template<typename T>

void spams::Vector< T >::setPointer	(	T *	X,
		const int	n
	)

inline

change the data of the vector

Definition at line 2889 of file linalg.h.

References spams::Vector< T >::_externAlloc, spams::Vector< T >::_n, spams::Vector< T >::_X, spams::Vector< T >::clear(), and spams::Vector< T >::n().

Referenced by spams::FISTA::GroupProx< T, Reg >::eval(), spams::FISTA::GroupProx< T, Reg >::fenchel(), spams::FISTA::GroupProx< T, Reg >::prox(), spams::SpVector< T >::refIndices(), and spams::SpVector< T >::refVal().

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template<typename T >

void spams::Vector< T >::setZeros ( )

inline

Set all values to zero.

Modifiers Set all values to zero

Definition at line 2871 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

Referenced by spams::Matrix< T >::center_rows(), spams::SpMatrix< T >::copyRow(), spams::coreLARS(), spams::coreLARS2(), spams::coreLARS2W(), spams::coreSOMP(), spams::Vector< T >::fusedProjectHomotopy(), spams::SpMatrix< T >::getData(), spams::FISTA::MultiLogLoss< T >::grad(), spams::FISTA::SqLoss< T >::init_prim_var(), spams::FISTA::HingeLoss< T >::init_prim_var(), spams::MaxFlow< T >::init_split_variables_aux(), spams::ist_groupLasso(), spams::Vector< T >::l1project_weighted(), spams::lasso(), spams::lasso2(), spams::lasso_mask(), spams::lassoWeight(), spams::lassoWeightPreComputed(), spams::Matrix< T >::mult(), spams::SpMatrix< T >::mult(), spams::ShiftMatrix< T >::mult(), spams::DoubleRowMatrix< T >::mult(), spams::Matrix< T >::multTrans(), spams::SpMatrix< T >::multTrans(), spams::ShiftMatrix< T >::multTrans(), spams::Matrix< T >::norm_2_rows(), spams::Matrix< T >::norm_2sq_rows(), spams::Matrix< T >::norm_inf_rows(), spams::Matrix< T >::norm_l1_rows(), spams::FISTA::normL2< T >::prox(), spams::FISTA::Rank< T >::prox(), spams::FISTA::GraphLasso< T >::prox_split(), spams::Vector< T >::resize(), spams::Tree_Seq< T >::sub_grad(), spams::FISTA::None< T >::sub_grad(), spams::MaxFlow< T >::sub_gradient(), spams::Matrix< T >::sum_cols(), spams::SpMatrix< T >::sum_cols(), spams::SpVector< T >::toFull(), spams::Trainer< T >::train(), spams::Trainer< T >::trainOffline(), spams::FISTA::MultiLogLoss< T >::var_fenchel(), and spams::Matrix< T >::whiten().

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template<typename T>

void spams::Vector< T >::sign ( Vector< T > & signs ) const

inline

puts in signs, the sign of each point in the vector

Definition at line 3351 of file linalg.h.

References spams::Vector< T >::_n, spams::Vector< T >::_X, and spams::Vector< T >::rawX().

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template<typename T >

T spams::Vector< T >::softmax ( const int y )

inline

replace each value by its exponential

Definition at line 3308 of file linalg.h.

References spams::Vector< T >::_X, spams::Vector< T >::add(), spams::Vector< T >::exp(), INFINITY, spams::Vector< T >::max(), spams::Vector< T >::maxval(), and spams::Vector< T >::sum().

Referenced by spams::FISTA::MultiLogLoss< T >::eval().

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template<typename T>

void spams::Vector< T >::softThrshold ( const T nu )

inline

performs soft-thresholding of the vector

Definition at line 2925 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

Referenced by spams::Vector< T >::fusedProject(), spams::Vector< T >::fusedProjectHomotopy(), spams::Vector< T >::l1l2project(), spams::Vector< T >::l1l2projectb(), spams::Vector< T >::l1project(), spams::FISTA::Lasso< T >::prox(), spams::FISTA::TraceNorm< T >::prox(), spams::Matrix< T >::softThrshold(), and spams::Vector< T >::sparseProject().

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template<typename T>

void spams::Vector< T >::sort	(	Vector< T > &	out,
		const bool	mode
	)		const

inline

sort the vector

projects the vector onto the l1 ball of radius thrs, sort the vector

Definition at line 3899 of file linalg.h.

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

Referenced by spams::Vector< T >::sort().

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template<typename T>

void spams::Vector< T >::sort ( const bool mode )

inline

sort the vector

Definition at line 3888 of file linalg.h.

References spams::Vector< T >::_n, spams::Vector< T >::_X, decr, and incr.

template<typename T>

void spams::Vector< T >::sort2	(	Vector< T > &	out,
		Vector< int > &	key,
		const bool	mode
	)		const

inline

Definition at line 3911 of file linalg.h.

References spams::Vector< T >::copy(), and spams::Vector< T >::sort2().

Referenced by spams::Vector< T >::l1project_weighted(), and spams::Vector< T >::sort2().

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template<typename T>

void spams::Vector< T >::sort2	(	Vector< int > &	key,
		const bool	mode
	)

inline

sort the vector

Definition at line 3905 of file linalg.h.

References spams::Vector< T >::_n, spams::Vector< T >::_X, spams::quick_sort(), and spams::Vector< T >::rawX().

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template<typename T>

void spams::Vector< T >::sparseProject	(	Vector< T > &	out,
		const T	thrs,
		const int	mode = `1`,
		const T	lambda1 = `0`,
		const T	lambda2 = `0`,
		const T	lambda3 = `0`,
		const bool	pos = `false`
	)

inline

min_u ||b-u||_2^2 / ||u||_1 <= thrs

min_u ||b-u||_2^2 / ||u||_2^2 + lambda1||u||_1 <= thrs

min_u ||b-u||_2^2 / ||u||_1 + (lambda1/2) ||u||_2^2 <= thrs

min_u 0.5||b-u||_2^2 + lambda1||u||_1 / ||u||_2^2 <= thrs

min_u 0.5||b-u||_2^2 + lambda1||u||_1 +lambda2 Fused(u) / ||u||_2^2 <= thrs

min_u 0.5||b-u||_2^2 + lambda1||u||_1 +lambda2 Fused(u) +0.5lambda_3 ||u||_2^2

min_u ||b-u||_2^2 / lambda1||u||_1 +lambda2 Fused(u) + 0.5lambda3||u||_2^2 <= thrs

min_u ||b-u||_2^2 / (1-lambda1)*||u||_2^2 + lambda1||u||_1 <= thrs

Definition at line 3508 of file linalg.h.

References spams::Vector< T >::copy(), spams::Vector< T >::fusedProjectHomotopy(), spams::Vector< T >::l1l2project(), spams::Vector< T >::l1project(), spams::Vector< T >::normalize2(), spams::Vector< T >::nrm2sq(), spams::Vector< T >::scal(), spams::Vector< T >::softThrshold(), and spams::Vector< T >::thrsPos().

Referenced by spams::Trainer< T >::cleanDict(), spams::FISTA::LassoConstraint< T >::prox(), spams::Matrix< T >::sparseProject(), spams::Trainer< T >::train(), and spams::Trainer< T >::trainOffline().

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template<typename T>

void spams::Vector< T >::sqr ( const Vector< T > & x )

inline

A <- x .^ 2.

Definition at line 3077 of file linalg.h.

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

Referenced by spams::coreORMP(), and spams::coreSOMP().

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template<typename T>

void spams::Vector< T >::Sqrt ( const Vector< T > & x )

inline

A <- 1 ./ sqrt(x)

A <- x .^ 2.

Definition at line 3088 of file linalg.h.

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

Referenced by spams::Matrix< T >::singularValues(), and spams::Matrix< T >::svd().

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template<typename T>

void spams::Vector< T >::Sqrt ( void )

inline

A <- 1 ./ sqrt(x)

A <- x .^ 2.

Definition at line 3097 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

template<typename T >

T spams::Vector< T >::std ( )

inline

whiten

return the std

Definition at line 3265 of file linalg.h.

References spams::Vector< T >::_n, spams::Vector< T >::_X, utl::E, and spams::Vector< T >::mean().

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template<typename T>

void spams::Vector< T >::sub ( const Vector< T > & x )

inline

A <- A - x.

Definition at line 3052 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

Referenced by spams::ShiftMatrix< T >::copyRow(), spams::coreORMP(), spams::coreSOMP(), spams::Vector< T >::fusedProjectHomotopy(), spams::FISTA::SqLoss< T >::test_backtracking(), and spams::Trainer< T >::trainOffline().

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template<typename T>

void spams::Vector< T >::sub ( const SpVector< T > & x )

inline

A <- A + a*x.

Definition at line 3058 of file linalg.h.

References spams::SpVector< T >::_L, spams::SpVector< T >::_r, spams::SpVector< T >::_v, and spams::Vector< T >::_X.

template<typename T >

T spams::Vector< T >::sum ( ) const

inline

returns the sum of the vector

Definition at line 3344 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

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template<typename T>

void spams::Vector< T >::thrsabsmin ( const T nu )

inline

performs thresholding of the vector

Definition at line 2960 of file linalg.h.

References spams::Vector< T >::_n, spams::Vector< T >::_X, MAX, and MIN.

Referenced by spams::FISTA::GraphLasso< T >::prox_split().

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template<typename T>

void spams::Vector< T >::thrshold ( const T nu )

inline

performs soft-thresholding of the vector

performs thresholding of the vector

Definition at line 2967 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

template<typename T>

void spams::Vector< T >::thrsmax ( const T nu )

inline

performs soft-thresholding of the vector

performs thresholding of the vector

Definition at line 2948 of file linalg.h.

References spams::Vector< T >::_n, spams::Vector< T >::_X, and MAX.

Referenced by spams::Matrix< T >::thrsmax().

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template<typename T>

void spams::Vector< T >::thrsmin ( const T nu )

inline

performs thresholding of the vector

Definition at line 2954 of file linalg.h.

References spams::Vector< T >::_n, spams::Vector< T >::_X, and MIN.

Referenced by spams::Matrix< T >::thrsmin().

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template<typename T >

void spams::Vector< T >::thrsPos ( )

inline

performs soft-thresholding of the vector

Definition at line 2973 of file linalg.h.

References spams::Vector< T >::_n, and spams::Vector< T >::_X.

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template<typename T>

void spams::Vector< T >::toSparse ( SpVector< T > & vec ) const

inline

make a sparse copy

Conversion make a sparse copy

Definition at line 4025 of file linalg.h.

References spams::SpVector< T >::_L, spams::Vector< T >::_n, spams::SpVector< T >::_r, spams::SpVector< T >::_v, and spams::Vector< T >::_X.

Referenced by spams::computeError(), spams::FISTA::SqLossMissing< T >::eval(), spams::FISTA::SqLoss< T >::eval(), spams::FISTA::HingeLoss< T >::eval(), spams::FISTA::LogLoss< T, weighted >::eval(), spams::FISTA::SqLossMissing< T >::grad(), spams::FISTA::SqLoss< T >::grad(), spams::FISTA::LogLoss< T, weighted >::grad(), spams::ist(), spams::ShiftMatrix< T >::mult(), spams::FISTA::SqLoss< T >::test_backtracking(), spams::Trainer< T >::trainOffline(), spams::FISTA::SqLossMissing< T >::var_fenchel(), spams::FISTA::SqLoss< T >::var_fenchel(), and spams::FISTA::LogLoss< T, weighted >::var_fenchel().

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template<typename T>

void spams::Vector< T >::unwhiten	(	Vector< T > &	mean,
		const bool	pattern = `false`
	)

inline

whiten

unwhiten

Definition at line 3233 of file linalg.h.

References spams::Vector< T >::_n, spams::Vector< T >::_X, spams::Vector< T >::mean(), and spams::Vector< T >::n().

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template<typename T>

void spams::Vector< T >::whiten	(	Vector< T > &	mean,
		const bool	pattern = `false`
	)

inline

whiten

Definition at line 3134 of file linalg.h.

References spams::Vector< T >::_n, spams::Vector< T >::_X, spams::Vector< T >::mean(), and spams::Vector< T >::n().

Referenced by spams::FISTA::SqLossMissing< T >::var_fenchel(), and spams::FISTA::SqLoss< T >::var_fenchel().

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template<typename T>

void spams::Vector< T >::whiten	(	Vector< T > &	mean,
		const Vector< T > &	mask
	)

inline

whiten

Definition at line 3179 of file linalg.h.

References spams::Vector< T >::_n, spams::Vector< T >::_X, utl::cblas_asum(), spams::Vector< T >::mean(), and spams::Vector< T >::n().

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template<typename T>

void spams::Vector< T >::whiten ( const int V )

inline

whiten

Definition at line 3198 of file linalg.h.

References spams::Vector< T >::_n, spams::Vector< T >::_X, and spams::Vector< T >::mean().

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Friends And Related Function Documentation

template<typename T>

friend class Matrix< T >

friend

Definition at line 550 of file linalg.h.

template<typename T>

friend class SpMatrix< T >

friend

Definition at line 549 of file linalg.h.

template<typename T>

friend class SpVector< T >

friend

Definition at line 551 of file linalg.h.

Member Data Documentation

template<typename T>

bool spams::Vector< T >::_externAlloc

private

if the data has been externally allocated

Definition at line 752 of file linalg.h.

Referenced by spams::Vector< T >::clear(), spams::Matrix< T >::refCol(), spams::Vector< T >::resize(), spams::Vector< T >::setPointer(), and spams::Matrix< T >::toVect().

template<typename T>

int spams::Vector< T >::_n

private

size of the vector

Definition at line 756 of file linalg.h.

template<typename T>

T* spams::Vector< T >::_X

private

data

Definition at line 754 of file linalg.h.

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

ThirdParty/Spams/include/linalg.h

Detailed Description

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

Public Member Functions

Private Member Functions

Private Attributes

Friends

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation

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