MFEM v4.7.0
Finite element discretization library
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mfem::OuterProductCoefficient Class Reference

Matrix coefficient defined as the outer product of two vector coefficients. More...

#include <coefficient.hpp>

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

 OuterProductCoefficient (VectorCoefficient &A, VectorCoefficient &B)
 Construct with two vector coefficients. Result is \( A B^T \).
 
void SetTime (real_t t)
 Set the time for internally stored coefficients.
 
void SetACoef (VectorCoefficient &A)
 Reset the first vector in the outer product.
 
VectorCoefficientGetACoef () const
 Return the first vector coefficient in the outer product.
 
void SetBCoef (VectorCoefficient &B)
 Reset the second vector in the outer product.
 
VectorCoefficientGetBCoef () const
 Return the second vector coefficient in the outer product.
 
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 outer product of two vector coefficients.

Definition at line 2162 of file coefficient.hpp.

Constructor & Destructor Documentation

◆ OuterProductCoefficient()

mfem::OuterProductCoefficient::OuterProductCoefficient ( VectorCoefficient & A,
VectorCoefficient & B )

Construct with two vector coefficients. Result is \( A B^T \).

Definition at line 1329 of file coefficient.cpp.

Member Function Documentation

◆ Eval()

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

Evaluate the matrix coefficient at ip.

Implements mfem::MatrixCoefficient.

Definition at line 1342 of file coefficient.cpp.

◆ GetACoef()

VectorCoefficient * mfem::OuterProductCoefficient::GetACoef ( ) const
inline

Return the first vector coefficient in the outer product.

Definition at line 2181 of file coefficient.hpp.

◆ GetBCoef()

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

Return the second vector coefficient in the outer product.

Definition at line 2186 of file coefficient.hpp.

◆ SetACoef()

void mfem::OuterProductCoefficient::SetACoef ( VectorCoefficient & A)
inline

Reset the first vector in the outer product.

Definition at line 2179 of file coefficient.hpp.

◆ SetBCoef()

void mfem::OuterProductCoefficient::SetBCoef ( VectorCoefficient & B)
inline

Reset the second vector in the outer product.

Definition at line 2184 of file coefficient.hpp.

◆ SetTime()

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

Set the time for internally stored coefficients.

Reimplemented from mfem::MatrixCoefficient.

Definition at line 1335 of file coefficient.cpp.


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