sgpp::base::OperationSecondMomentLinear Class Reference

SecondMomemnt of sparse grid function, linear grid without boundaries. More...

#include <OperationSecondMomentLinear.hpp>

Inheritance diagram for sgpp::base::OperationSecondMomentLinear:

Public Member Functions
double	doQuadrature (DataVector &alpha, DataMatrix *bounds=nullptr) override
	Compute second moment of the function \[ \int_{\Omega} x^2\cdot f(x) dx. \] . More...
	OperationSecondMomentLinear (GridStorage &storage)
	Constructor of OperationSecondMomentLinear. More...
	~OperationSecondMomentLinear () override
Public Member Functions inherited from sgpp::base::OperationSecondMoment
	OperationSecondMoment ()
	Constructor. More...
virtual	~OperationSecondMoment ()
	Destructor. More...

Protected Attributes
GridStorage &	storage

Detailed Description

SecondMomemnt of sparse grid function, linear grid without boundaries.

Constructor & Destructor Documentation

OperationSecondMomentLinear()

sgpp::base::OperationSecondMomentLinear::OperationSecondMomentLinear ( GridStorage &  storage )

inlineexplicit

Constructor of OperationSecondMomentLinear.

Parameters

storage

Pointer to the grid's GridStorage object

~OperationSecondMomentLinear()

sgpp::base::OperationSecondMomentLinear::~OperationSecondMomentLinear ( )

inlineoverride

References alpha, and doQuadrature().

Member Function Documentation

doQuadrature()

double sgpp::base::OperationSecondMomentLinear::doQuadrature ( DataVector &  alpha, DataMatrix *  bounds = nullptr  )

overridevirtual

Compute second moment of the function

\[ \int_{\Omega} x^2\cdot f(x) dx. \]

.

Parameters

alpha	Coefficient vector for current grid
bounds	describes the boundaries of the hypercube of the original function

Implements sgpp::base::OperationSecondMoment.

References sgpp::base::HashGridStorage::begin(), chess::dim, sgpp::base::HashGridStorage::end(), sgpp::base::DataVector::get(), sgpp::base::DataMatrix::get(), sgpp::base::HashGridStorage::getDimension(), sgpp::base::DataMatrix::getNcols(), sgpp::base::DataMatrix::getNrows(), level, sgpp::combigrid::pow(), and storage.

Referenced by ~OperationSecondMomentLinear().

Member Data Documentation

storage

GridStorage& sgpp::base::OperationSecondMomentLinear::storage

protected

Referenced by doQuadrature().

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

• base/src/sgpp/base/operation/hash/OperationSecondMomentLinear.hpp
• base/src/sgpp/base/operation/hash/OperationSecondMomentLinear.cpp