MFEM v4.7.0
Finite element discretization library
Loading...
Searching...
No Matches
mfem::InverseMatrixCoefficient Class Reference

Matrix coefficient defined as the inverse a matrix coefficient. More...

#include <coefficient.hpp>

Inheritance diagram for mfem::InverseMatrixCoefficient:
[legend]
Collaboration diagram for mfem::InverseMatrixCoefficient:
[legend]

Public Member Functions

 InverseMatrixCoefficient (MatrixCoefficient &A)
 Construct with the matrix coefficient. Result is \( A^{-1} \).
 
void SetTime (real_t t)
 Set the time for internally stored coefficients.
 
void SetACoef (MatrixCoefficient &A)
 Reset the matrix coefficient.
 
MatrixCoefficientGetACoef () const
 Return the matrix coefficient.
 
virtual void Eval (DenseMatrix &M, ElementTransformation &T, const IntegrationPoint &ip)
 Evaluate the matrix coefficient at ip.
 
- Public Member Functions inherited from mfem::MatrixCoefficient
 MatrixCoefficient (int dim, bool symm=false)
 Construct a dim x dim matrix coefficient.
 
 MatrixCoefficient (int h, int w, bool symm=false)
 Construct a h x w matrix coefficient.
 
real_t GetTime ()
 Get the time for time dependent coefficients.
 
int GetHeight () const
 Get the height of the matrix.
 
int GetWidth () const
 Get the width of the matrix.
 
int GetVDim () const
 For backward compatibility get the width of the matrix.
 
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.
 
virtual void EvalSymmetric (Vector &K, ElementTransformation &T, const IntegrationPoint &ip)
 (DEPRECATED) Evaluate a symmetric matrix coefficient.
 
virtual ~MatrixCoefficient ()
 

Additional Inherited Members

- Protected Attributes inherited from mfem::MatrixCoefficient
int height
 
int width
 
real_t time
 
bool symmetric
 

Detailed Description

Matrix coefficient defined as the inverse a matrix coefficient.

Definition at line 2139 of file coefficient.hpp.

Constructor & Destructor Documentation

◆ InverseMatrixCoefficient()

mfem::InverseMatrixCoefficient::InverseMatrixCoefficient ( MatrixCoefficient & A)

Construct with the matrix coefficient. Result is \( A^{-1} \).

Definition at line 1307 of file coefficient.cpp.

Member Function Documentation

◆ Eval()

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

Evaluate the matrix coefficient at ip.

Implements mfem::MatrixCoefficient.

Definition at line 1321 of file coefficient.cpp.

◆ GetACoef()

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

Return the matrix coefficient.

Definition at line 2154 of file coefficient.hpp.

◆ SetACoef()

void mfem::InverseMatrixCoefficient::SetACoef ( MatrixCoefficient & A)
inline

Reset the matrix coefficient.

Definition at line 2152 of file coefficient.hpp.

◆ SetTime()

void mfem::InverseMatrixCoefficient::SetTime ( real_t t)
virtual

Set the time for internally stored coefficients.

Reimplemented from mfem::MatrixCoefficient.

Definition at line 1315 of file coefficient.cpp.


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