mfem::MatrixSumCoefficient Class Reference

Matrix coefficient defined as the linear combination of two matrices. More...

#include <coefficient.hpp>

Inheritance diagram for mfem::MatrixSumCoefficient:

Collaboration diagram for mfem::MatrixSumCoefficient:

Public Member Functions
	MatrixSumCoefficient (MatrixCoefficient &A, MatrixCoefficient &B, double alpha_=1.0, double beta_=1.0)
	Construct with the two coefficients. Result is alpha_ * A + beta_ * B. More...
void	SetTime (double t)
	Set the time for internally stored coefficients. More...
void	SetACoef (MatrixCoefficient &A)
	Reset the first matrix coefficient. More...
MatrixCoefficient *	GetACoef () const
	Return the first matrix coefficient. More...
void	SetBCoef (MatrixCoefficient &B)
	Reset the second matrix coefficient. More...
MatrixCoefficient *	GetBCoef () const
	Return the second matrix coefficient. More...
void	SetAlpha (double alpha_)
	Reset the factor in front of the first matrix coefficient. More...
double	GetAlpha () const
	Return the factor in front of the first matrix coefficient. More...
void	SetBeta (double beta_)
	Reset the factor in front of the second matrix coefficient. More...
double	GetBeta () const
	Return the factor in front of the second matrix coefficient. 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...
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	Project (QuadratureFunction &qf, bool transpose=false)
	Fill the QuadratureFunction qf by evaluating the coefficient at the quadrature points. The matrix will be transposed or not according to the boolean argument transpose. More...
virtual void	EvalSymmetric (Vector &K, ElementTransformation &T, const IntegrationPoint &ip)
	(DEPRECATED) Evaluate a symmetric matrix coefficient. 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 the linear combination of two matrices.

Definition at line 1869 of file coefficient.hpp.

Constructor & Destructor Documentation

MatrixSumCoefficient()

mfem::MatrixSumCoefficient::MatrixSumCoefficient	(	MatrixCoefficient &	A,
		MatrixCoefficient &	B,
		double	alpha_ = 1.0,
		double	beta_ = 1.0
	)

Construct with the two coefficients. Result is alpha_ * A + beta_ * B.

Definition at line 1163 of file coefficient.cpp.

Member Function Documentation

Eval()

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

virtual

Evaluate the matrix coefficient at ip.

Implements mfem::MatrixCoefficient.

Definition at line 1182 of file coefficient.cpp.

GetACoef()

MatrixCoefficient* mfem::MatrixSumCoefficient::GetACoef ( ) const

inline

Return the first matrix coefficient.

Definition at line 1891 of file coefficient.hpp.

GetAlpha()

double mfem::MatrixSumCoefficient::GetAlpha ( ) const

inline

Return the factor in front of the first matrix coefficient.

Definition at line 1901 of file coefficient.hpp.

GetBCoef()

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

inline

Return the second matrix coefficient.

Definition at line 1896 of file coefficient.hpp.

GetBeta()

double mfem::MatrixSumCoefficient::GetBeta ( ) const

inline

Return the factor in front of the second matrix coefficient.

Definition at line 1906 of file coefficient.hpp.

SetACoef()

void mfem::MatrixSumCoefficient::SetACoef ( MatrixCoefficient &  A )

inline

Reset the first matrix coefficient.

Definition at line 1889 of file coefficient.hpp.

SetAlpha()

void mfem::MatrixSumCoefficient::SetAlpha ( double  alpha_ )

inline

Reset the factor in front of the first matrix coefficient.

Definition at line 1899 of file coefficient.hpp.

SetBCoef()

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

inline

Reset the second matrix coefficient.

Definition at line 1894 of file coefficient.hpp.

SetBeta()

void mfem::MatrixSumCoefficient::SetBeta ( double  beta_ )

inline

Reset the factor in front of the second matrix coefficient.

Definition at line 1904 of file coefficient.hpp.

SetTime()

void mfem::MatrixSumCoefficient::SetTime ( double  t )

virtual

Set the time for internally stored coefficients.

Reimplemented from mfem::MatrixCoefficient.

Definition at line 1175 of file coefficient.cpp.

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

• fem/coefficient.hpp
• fem/coefficient.cpp