MFEM
v4.5.2
Finite element discretization library
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Matrix coefficient defined as a product of a scalar coefficient and a matrix coefficient. More...
#include <coefficient.hpp>
Public Member Functions | |
ScalarMatrixProductCoefficient (double A, MatrixCoefficient &B) | |
Constructor with one coefficient. Result is A*B. More... | |
ScalarMatrixProductCoefficient (Coefficient &A, MatrixCoefficient &B) | |
Constructor with two coefficients. Result is A*B. More... | |
void | SetTime (double t) |
Set the time for internally stored coefficients. More... | |
void | SetAConst (double A) |
Reset the scalar factor as a constant. More... | |
double | GetAConst () const |
Return the scalar factor. More... | |
void | SetACoef (Coefficient &A) |
Reset the scalar factor. More... | |
Coefficient * | GetACoef () const |
Return the scalar factor. More... | |
void | SetBCoef (MatrixCoefficient &B) |
Reset the matrix factor. More... | |
MatrixCoefficient * | GetBCoef () const |
Return the matrix factor. 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 |
Matrix coefficient defined as a product of a scalar coefficient and a matrix coefficient.
Definition at line 1944 of file coefficient.hpp.
mfem::ScalarMatrixProductCoefficient::ScalarMatrixProductCoefficient | ( | double | A, |
MatrixCoefficient & | B | ||
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Constructor with one coefficient. Result is A*B.
Definition at line 1211 of file coefficient.cpp.
mfem::ScalarMatrixProductCoefficient::ScalarMatrixProductCoefficient | ( | Coefficient & | A, |
MatrixCoefficient & | B | ||
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Constructor with two coefficients. Result is A*B.
Definition at line 1217 of file coefficient.cpp.
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Evaluate the matrix coefficient at ip.
Implements mfem::MatrixCoefficient.
Definition at line 1230 of file coefficient.cpp.
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Return the scalar factor.
Definition at line 1969 of file coefficient.hpp.
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Return the scalar factor.
Definition at line 1964 of file coefficient.hpp.
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Return the matrix factor.
Definition at line 1974 of file coefficient.hpp.
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Reset the scalar factor.
Definition at line 1967 of file coefficient.hpp.
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Reset the scalar factor as a constant.
Definition at line 1962 of file coefficient.hpp.
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Reset the matrix factor.
Definition at line 1972 of file coefficient.hpp.
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Set the time for internally stored coefficients.
Reimplemented from mfem::MatrixCoefficient.
Definition at line 1223 of file coefficient.cpp.