Class for objects that can be used in the online step of the classification (The classification is divided into two parts: the offline step that does not depend on the actual data and the online step that depends on the data) More...

#include <DBMatOnline.hpp>

Inheritance diagram for sgpp::datadriven::DBMatOnline:

Public Member Functions
	DBMatOnline (DBMatOffline &o)
	Constructor. More...

	DBMatOnline (const DBMatOnline &rhs)=delete

	DBMatOnline (DBMatOnline &&rhs)=default

DBMatOffline &	getOfflineObject ()
	Returns a reference to the offline object. More...

const DBMatOffline &	getOfflineObject () const

DBMatOnline &	operator= (const DBMatOnline &rhs)=delete

DBMatOnline &	operator= (DBMatOnline &&rhs)=default

void	setLambda (double lambda)
	Changes the weighting factor for the regularization term, if possible (might depend on the kind of decomposition for classification) More...

virtual std::vector< size_t >	updateSystemMatrixDecomposition (DensityEstimationConfiguration &densityEstimationConfig, Grid &grid, size_t numAddedGridPoints, std::list< size_t > deletedGridPointIndices, double lambda)
	Update the system matrix decomposition after the grid has been modified. More...

virtual	~DBMatOnline ()=default
	Destructor. More...

Protected Attributes
DBMatOffline &	offlineObject

Detailed Description

Class for objects that can be used in the online step of the classification (The classification is divided into two parts: the offline step that does not depend on the actual data and the online step that depends on the data)

Constructor & Destructor Documentation

◆ DBMatOnline() [1/3]

sgpp::datadriven::DBMatOnline::DBMatOnline ( DBMatOffline & o )

explicit

Constructor.

Parameters

o	a offline object

◆ DBMatOnline() [2/3]

sgpp::datadriven::DBMatOnline::DBMatOnline ( const DBMatOnline & rhs )

delete

◆ DBMatOnline() [3/3]

sgpp::datadriven::DBMatOnline::DBMatOnline ( DBMatOnline && rhs )

default

◆ ~DBMatOnline()

virtual sgpp::datadriven::DBMatOnline::~DBMatOnline ( )

virtualdefault

Destructor.

Member Function Documentation

◆ getOfflineObject() [1/2]

DBMatOffline & sgpp::datadriven::DBMatOnline::getOfflineObject ( )

Returns a reference to the offline object.

Returns: reference to the stored offline object

References getOfflineObject().

Referenced by sgpp::datadriven::LearnerSGDEOnOffParallel::computeNewSystemMatrixDecomposition(), getOfflineObject(), sgpp::datadriven::DBMatOnlineDEChol::updateSystemMatrixDecomposition(), and updateSystemMatrixDecomposition().

◆ getOfflineObject() [2/2]

const DBMatOffline & sgpp::datadriven::DBMatOnline::getOfflineObject ( ) const

References offlineObject.

◆ operator=() [1/2]

DBMatOnline& sgpp::datadriven::DBMatOnline::operator= ( const DBMatOnline & rhs )

delete

◆ operator=() [2/2]

DBMatOnline& sgpp::datadriven::DBMatOnline::operator= ( DBMatOnline && rhs )

default

◆ setLambda()

void sgpp::datadriven::DBMatOnline::setLambda ( double lambda )

Changes the weighting factor for the regularization term, if possible (might depend on the kind of decomposition for classification)

switch (offlineObject.getDensityEstimationConfig().decomposition_) { case MatrixDecompositionType::Eigen: case MatrixDecompositionType::Chol: case MatrixDecompositionType::DenseIchol: case MatrixDecompositionType::OrthoAdapt: offlineObject.getRegularizationConfig().lambda_ = lambda; break; case MatrixDecompositionType::LU: default: throw application_exception( "Lambda can not be changed in the online step for this decomposition " "type!"); }

◆ updateSystemMatrixDecomposition()

std::vector< size_t > sgpp::datadriven::DBMatOnline::updateSystemMatrixDecomposition	(	DensityEstimationConfiguration &	densityEstimationConfig,
		Grid &	grid,
		size_t	numAddedGridPoints,
		std::list< size_t >	deletedGridPointIndices,
		double	lambda
	)

virtual

Update the system matrix decomposition after the grid has been modified.

Parameters

densityEstimationConfig	configuration of the density estimation
grid	the underlying grid
numAddedGridPoints	Number of grid points inserted at the end of the grid storage
deletedGridPointIndices	Indices of grid points that were deleted
lambda	The last best lambda value

Returns: list of grid points, that cannot be coarsened

Reimplemented in sgpp::datadriven::DBMatOnlineDEOrthoAdapt, and sgpp::datadriven::DBMatOnlineDEChol.

References getOfflineObject(), and python.uq.operations.sparse_grid::isRefineable().

Referenced by sgpp::datadriven::LearnerSGDEOnOffParallel::computeNewSystemMatrixDecomposition().

Member Data Documentation

◆ offlineObject

DBMatOffline& sgpp::datadriven::DBMatOnline::offlineObject

protected

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

datadriven/src/sgpp/datadriven/algorithm/DBMatOnline.hpp
datadriven/src/sgpp/datadriven/algorithm/DBMatOnline.cpp

Public Member Functions

Protected Attributes