Matrix coefficient defined as a product of a scalar coefficient and a matrix coefficient. More...

#include <coefficient.hpp>

Inheritance diagram for mfem::ScalarMatrixProductCoefficient:

Collaboration diagram for mfem::ScalarMatrixProductCoefficient:

Public Member Functions
	ScalarMatrixProductCoefficient (double A, MatrixCoefficient &B)
	Constructor with one coefficient. Result is A*B. More...

	ScalarMatrixProductCoefficient (Coefficient &A, MatrixCoefficient &B)
	Constructor with two coefficients. Result is A*B. More...

void	SetAConst (double A)
	Reset the scalar factor as a constant. More...

double	GetAConst () const
	Return the scalar factor. More...

void	SetACoef (Coefficient &A)
	Reset the scalar factor. More...

Coefficient *	GetACoef () const
	Return the scalar factor. More...

void	SetBCoef (MatrixCoefficient &B)
	Reset the matrix factor. More...

MatrixCoefficient *	GetBCoef () const
	Return the matrix factor. More...

virtual void	Eval (DenseMatrix &M, ElementTransformation &T, const IntegrationPoint &ip)
	Evaluate the matrix coefficient at ip. More...

Public Member Functions inherited from mfem::MatrixCoefficient
	MatrixCoefficient (int dim, bool symm=false)
	Construct a dim x dim matrix coefficient. More...

	MatrixCoefficient (int h, int w, bool symm=false)
	Construct a h x w matrix coefficient. More...

void	SetTime (double t)
	Set the time for time dependent coefficients. More...

double	GetTime ()
	Get the time for time dependent coefficients. More...

int	GetHeight () const
	Get the height of the matrix. More...

int	GetWidth () const
	Get the width of the matrix. More...

int	GetVDim () const
	For backward compatibility get the width of the matrix. More...

bool	IsSymmetric () const

virtual void	EvalSymmetric (Vector &K, ElementTransformation &T, const IntegrationPoint &ip)
	Evaluate the upper triangular entries of the matrix coefficient in the symmetric case, similarly to Eval. Matrix entry (i,j) is stored in K[j - i + os_i] for 0 <= i <= j < width, os_0 = 0, os_{i+1} = os_i + width - i. That is, K = {M(0,0), ..., M(0,w-1), M(1,1), ..., M(1,w-1), ..., M(w-1,w-1) with w = width. More...

virtual	~MatrixCoefficient ()

Additional Inherited Members
Protected Attributes inherited from mfem::MatrixCoefficient
int	height

int	width

double	time

bool	symmetric

Detailed Description

Matrix coefficient defined as a product of a scalar coefficient and a matrix coefficient.

Definition at line 1412 of file coefficient.hpp.

Constructor & Destructor Documentation

mfem::ScalarMatrixProductCoefficient::ScalarMatrixProductCoefficient	(	double	A,
		MatrixCoefficient &	B
	)

Constructor with one coefficient. Result is A*B.

Definition at line 630 of file coefficient.cpp.

mfem::ScalarMatrixProductCoefficient::ScalarMatrixProductCoefficient	(	Coefficient &	A,
		MatrixCoefficient &	B
	)

Constructor with two coefficients. Result is A*B.

Definition at line 636 of file coefficient.cpp.

Member Function Documentation

void mfem::ScalarMatrixProductCoefficient::Eval	(	DenseMatrix &	M,
		ElementTransformation &	T,
		const IntegrationPoint &	ip
	)

virtual

Evaluate the matrix coefficient at ip.

Implements mfem::MatrixCoefficient.

Definition at line 642 of file coefficient.cpp.

Coefficient* mfem::ScalarMatrixProductCoefficient::GetACoef ( ) const

inline

Return the scalar factor.

Definition at line 1434 of file coefficient.hpp.

double mfem::ScalarMatrixProductCoefficient::GetAConst ( ) const

inline

Return the scalar factor.

Definition at line 1429 of file coefficient.hpp.

MatrixCoefficient* mfem::ScalarMatrixProductCoefficient::GetBCoef ( ) const

inline

Return the matrix factor.

Definition at line 1439 of file coefficient.hpp.

void mfem::ScalarMatrixProductCoefficient::SetACoef ( Coefficient & A )

inline

Reset the scalar factor.

Definition at line 1432 of file coefficient.hpp.

void mfem::ScalarMatrixProductCoefficient::SetAConst ( double A )

inline

Reset the scalar factor as a constant.

Definition at line 1427 of file coefficient.hpp.

void mfem::ScalarMatrixProductCoefficient::SetBCoef ( MatrixCoefficient & B )

inline

Reset the matrix factor.

Definition at line 1437 of file coefficient.hpp.

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

fem/coefficient.hpp
fem/coefficient.cpp

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation