MFEM  v4.2.0
Finite element discretization library
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mfem::MatrixConstantCoefficient Class Reference

A matrix coefficient that is constant in space and time. More...

#include <coefficient.hpp>

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

 MatrixConstantCoefficient (const DenseMatrix &m)
 Construct using matrix m for the constant. 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

A matrix coefficient that is constant in space and time.

Definition at line 748 of file coefficient.hpp.

Constructor & Destructor Documentation

mfem::MatrixConstantCoefficient::MatrixConstantCoefficient ( const DenseMatrix m)
inline

Construct using matrix m for the constant.

Definition at line 754 of file coefficient.hpp.

Member Function Documentation

virtual void mfem::MatrixConstantCoefficient::Eval ( DenseMatrix M,
ElementTransformation T,
const IntegrationPoint ip 
)
inlinevirtual

Evaluate the matrix coefficient at ip.

Implements mfem::MatrixCoefficient.

Definition at line 758 of file coefficient.hpp.


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