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

#include <OperationFirstMomentBsplineClenshawCurtis.hpp>

Inheritance diagram for sgpp::base::OperationFirstMomentBsplineClenshawCurtis:

Public Member Functions
double	doQuadrature (const DataVector &alpha, DataMatrix *bounds=nullptr) override
	Compute first moment of the function.

	OperationFirstMomentBsplineClenshawCurtis (Grid *grid)
	Constructor of OperationFirstMomentBsplineClenshawCurtis.

	~OperationFirstMomentBsplineClenshawCurtis () override

Public Member Functions inherited from sgpp::base::OperationFirstMoment
	OperationFirstMoment ()
	Constructor.

virtual	~OperationFirstMoment ()
	Destructor.

Protected Attributes
sgpp::base::ClenshawCurtisTable &	clenshawCurtisTable

sgpp::base::Grid *	grid

Detailed Description

FirstMomemnt of sparse grid function, linear grid without boundaries.

Constructor & Destructor Documentation

◆ OperationFirstMomentBsplineClenshawCurtis()

sgpp::base::OperationFirstMomentBsplineClenshawCurtis::OperationFirstMomentBsplineClenshawCurtis ( Grid * grid )

inlineexplicit

Constructor of OperationFirstMomentBsplineClenshawCurtis.

Parameters

grid	Pointer to a sparse grid object

◆ ~OperationFirstMomentBsplineClenshawCurtis()

sgpp::base::OperationFirstMomentBsplineClenshawCurtis::~OperationFirstMomentBsplineClenshawCurtis ( )

inlineoverride

Member Function Documentation

◆ doQuadrature()

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

overridevirtual

Compute first moment of the function.

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

Parameters

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

Implements sgpp::base::OperationFirstMoment.

References alpha, sgpp::base::HashGridStorage::begin(), clenshawCurtisTable, sgpp::base::HashGridStorage::end(), sgpp::base::Basis< LT, IT >::eval(), sgpp::base::DataVector::get(), sgpp::base::DataMatrix::get(), sgpp::base::Grid::getBasis(), sgpp::base::HashGridStorage::getDimension(), sgpp::base::Basis< LT, IT >::getIntegral(), sgpp::base::GaussLegendreQuadRule1D::getLevelPointsAndWeightsNormalized(), sgpp::base::DataMatrix::getNcols(), sgpp::base::DataMatrix::getNrows(), sgpp::base::ClenshawCurtisTable::getPoint(), sgpp::base::Grid::getStorage(), grid, and level.

Member Data Documentation

◆ clenshawCurtisTable

sgpp::base::ClenshawCurtisTable& sgpp::base::OperationFirstMomentBsplineClenshawCurtis::clenshawCurtisTable

protected

Referenced by doQuadrature().

◆ grid

sgpp::base::Grid* sgpp::base::OperationFirstMomentBsplineClenshawCurtis::grid