sgpp::datadriven::DBMatOfflineGE Class Reference

DBMatOffline specialization as a base class for all algorithms based on gaussian elimination on a dense matrix. More...

#include <DBMatOfflineGE.hpp>

Inheritance diagram for sgpp::datadriven::DBMatOfflineGE:

Public Member Functions
void	buildMatrix (Grid *grid, const RegularizationConfiguration &regularizationConfig) override
	Builds the right hand side matrix with identity regularization term.
	DBMatOfflineGE (const std::string &fileName)
Public Member Functions inherited from sgpp::datadriven::DBMatOffline
virtual DBMatOffline *	clone () const =0
	Interface for the clone idiom.
virtual void	compute_inverse ()
virtual void	compute_inverse_parallel (std::shared_ptr< BlacsProcessGrid > processGrid, const ParallelConfiguration &parallelConfig)
	parallel/distributed version of compute_inverse()
void	compute_L2_refine_vectors (DataMatrix *mat_refine, Grid *grid, size_t newPoints)
	computes vectors of L2 products of grid points for refinement
	DBMatOffline (const DBMatOffline &rhs)
	Copy Constructor.
	DBMatOffline (const std::string &fileName)
	Constructor Create offline object from serialized offline object.
	DBMatOffline (DBMatOffline &&rhs)=default
	Default move constructor.
virtual void	decomposeMatrix (const RegularizationConfiguration &regularizationConfig, const DensityEstimationConfiguration &densityEstimationConfig)=0
	Decomposes the matrix according to the chosen decomposition type.
virtual void	decomposeMatrixParallel (RegularizationConfiguration &regularizationConfig, DensityEstimationConfiguration &densityEstimationConfig, std::shared_ptr< BlacsProcessGrid > processGrid, const ParallelConfiguration &parallelConfig)
	The parallel/distributed version of decomposeMatrix(...)
DataMatrixDistributed &	getDecomposedInverseDistributed ()
	Get a reference to the distributed decomposed matrix, analogously to getDecomposedMatrixDistributed()
DataMatrix &	getDecomposedMatrix ()
	Get a reference to the decomposed matrix.
DataMatrixDistributed &	getDecomposedMatrixDistributed ()
	Get a reference to the distributed decomposed matrix.
virtual sgpp::datadriven::MatrixDecompositionType	getDecompositionType ()=0
	Returns the decomposition type of the DBMatOffline object.
virtual size_t	getGridSize ()
	Returns the dimensionality of the quadratic lhs matrix (i.e.
DataMatrix &	getInverseMatrix ()
	Get a reference to the inverse matrix.
DataMatrix &	getLhsMatrix_ONLY_FOR_TESTING ()
	Allows access to lhs matrix, which is meant ONLY FOR TESTING.
virtual const DataMatrix &	getUnmodifiedR ()=0
	Get the unmodified (without added lambda) system matrix R.
virtual const DataMatrixDistributed &	getUnmodifiedRDistributed (std::shared_ptr< BlacsProcessGrid > processGrid, const ParallelConfiguration &parallelConfig)=0
	Get the distributed version of the unmodified (without added lambda) system matrix R.
virtual bool	isRefineable ()=0
	Only Offline objects based on Cholesky decomposition, or orthogonal adaptivity can be refined.
DBMatOffline &	operator= (const DBMatOffline &rhs)
	Default copy assign operator.
DBMatOffline &	operator= (DBMatOffline &&rhs)=default
	Default move assign operator.
void	printMatrix ()
	Prints the matrix onto standard output.
virtual void	store (const std::string &fileName)
	Serialize the DBMatOffline Object.
virtual void	syncDistributedDecomposition (std::shared_ptr< BlacsProcessGrid > processGrid, const ParallelConfiguration &parallelConfig)
	Synchronizes the decomposed matrix.
virtual void	syncDistributedInverse (std::shared_ptr< BlacsProcessGrid > processGrid, const ParallelConfiguration &parallelConfig)
	Synchronizes the inverse matrix.
virtual void	updateRegularization (double lambda)=0
	Modifies the decomposition to update the regularization parameter lambda.
virtual void	updateRegularizationParallel (double lambda, std::shared_ptr< BlacsProcessGrid > processGrid, const ParallelConfiguration &parallelConfig)=0
	Modifies the parallel decomposition to update the regularization parameter lambda.
virtual	~DBMatOffline ()=default
	Default virtual destructor.

Protected Member Functions
	DBMatOfflineGE ()
Protected Member Functions inherited from sgpp::datadriven::DBMatOffline
	DBMatOffline ()
void	parseInter (const std::string &fileName, std::set< std::set< size_t > > &interactions) const
	Read the Interactionsterms from a serialized DBMatOfflibe object.

Additional Inherited Members
Public Attributes inherited from sgpp::datadriven::DBMatOffline
std::set< std::set< size_t > >	interactions
Protected Attributes inherited from sgpp::datadriven::DBMatOffline
bool	isConstructed
bool	isDecomposed
DataMatrixDistributed	lhsDistributed
DataMatrixDistributed	lhsDistributedInverse
DataMatrix	lhsInverse
DataMatrix	lhsMatrix

Detailed Description

DBMatOffline specialization as a base class for all algorithms based on gaussian elimination on a dense matrix.

Constructor & Destructor Documentation

DBMatOfflineGE() [1/2]

sgpp::datadriven::DBMatOfflineGE::DBMatOfflineGE ( const std::string &  fileName )

explicit

References fileName, sgpp::datadriven::DBMatOffline::lhsMatrix, and sgpp::base::StringTokenizer::tokenize().

DBMatOfflineGE() [2/2]

sgpp::datadriven::DBMatOfflineGE::DBMatOfflineGE ( )

protected

Member Function Documentation

buildMatrix()

void sgpp::datadriven::DBMatOfflineGE::buildMatrix ( Grid *  grid, const RegularizationConfiguration &  regularizationConfig  )

overridevirtual

Builds the right hand side matrix with identity regularization term.

Parameters

grid	The grid object the matrix is based on
regularizationConfig	Configures the regularization which is incorporated into the lhs

Reimplemented from sgpp::datadriven::DBMatOffline.

References sgpp::base::DataMatrix::add(), sgpp::datadriven::DBMatOffline::buildMatrix(), grid(), sgpp::datadriven::Identity, sgpp::datadriven::DBMatOffline::isConstructed, sgpp::datadriven::RegularizationConfiguration::lambda_, sgpp::datadriven::DBMatOffline::lhsMatrix, sgpp::base::DataMatrix::set(), sgpp::base::DataMatrix::setAll(), and sgpp::datadriven::RegularizationConfiguration::type_.

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

• datadriven/src/sgpp/datadriven/algorithm/DBMatOfflineGE.hpp
• datadriven/src/sgpp/datadriven/algorithm/DBMatOfflineGE.cpp