MFEM  v4.4.0
Finite element discretization library
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mfem::MatrixVectorProductCoefficient Class Reference

Vector coefficient defined as a product of a matrix coefficient and a vector coefficient. More...

#include <coefficient.hpp>

Inheritance diagram for mfem::MatrixVectorProductCoefficient:
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Collaboration diagram for mfem::MatrixVectorProductCoefficient:
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Public Member Functions

 MatrixVectorProductCoefficient (MatrixCoefficient &A, VectorCoefficient &B)
 Constructor with two coefficients. Result is A*B. More...
 
void SetTime (double t)
 Set the time for internally stored coefficients. More...
 
void SetACoef (MatrixCoefficient &A)
 Reset the matrix coefficient. More...
 
MatrixCoefficientGetACoef () const
 Return the matrix coefficient. More...
 
void SetBCoef (VectorCoefficient &B)
 Reset the vector coefficient. More...
 
VectorCoefficientGetBCoef () const
 Return the vector coefficient. More...
 
virtual void Eval (Vector &V, ElementTransformation &T, const IntegrationPoint &ip)
 Evaluate the vector coefficient at ip. More...
 
- Public Member Functions inherited from mfem::VectorCoefficient
 VectorCoefficient (int vd)
 Initialize the VectorCoefficient with vector dimension vd. More...
 
double GetTime ()
 Get the time for time dependent coefficients. More...
 
int GetVDim ()
 Returns dimension of the vector. More...
 
virtual void Eval (DenseMatrix &M, ElementTransformation &T, const IntegrationRule &ir)
 Evaluate the vector coefficient in the element described by T at all points of ir, storing the result in M. More...
 
virtual ~VectorCoefficient ()
 

Additional Inherited Members

- Protected Attributes inherited from mfem::VectorCoefficient
int vdim
 
double time
 

Detailed Description

Vector coefficient defined as a product of a matrix coefficient and a vector coefficient.

Definition at line 1758 of file coefficient.hpp.

Constructor & Destructor Documentation

mfem::MatrixVectorProductCoefficient::MatrixVectorProductCoefficient ( MatrixCoefficient A,
VectorCoefficient B 
)

Constructor with two coefficients. Result is A*B.

Definition at line 1009 of file coefficient.cpp.

Member Function Documentation

void mfem::MatrixVectorProductCoefficient::Eval ( Vector V,
ElementTransformation T,
const IntegrationPoint ip 
)
virtual

Evaluate the vector coefficient at ip.

Implements mfem::VectorCoefficient.

Definition at line 1026 of file coefficient.cpp.

MatrixCoefficient* mfem::MatrixVectorProductCoefficient::GetACoef ( ) const
inline

Return the matrix coefficient.

Definition at line 1777 of file coefficient.hpp.

VectorCoefficient* mfem::MatrixVectorProductCoefficient::GetBCoef ( ) const
inline

Return the vector coefficient.

Definition at line 1782 of file coefficient.hpp.

void mfem::MatrixVectorProductCoefficient::SetACoef ( MatrixCoefficient A)
inline

Reset the matrix coefficient.

Definition at line 1775 of file coefficient.hpp.

void mfem::MatrixVectorProductCoefficient::SetBCoef ( VectorCoefficient B)
inline

Reset the vector coefficient.

Definition at line 1780 of file coefficient.hpp.

void mfem::MatrixVectorProductCoefficient::SetTime ( double  t)
virtual

Set the time for internally stored coefficients.

Reimplemented from mfem::VectorCoefficient.

Definition at line 1019 of file coefficient.cpp.


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