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MFEM
v4.5.2
Finite element discretization library
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A matrix coefficient that is constant in space and time. More...
#include <coefficient.hpp>
Public Member Functions | |
SymmetricMatrixConstantCoefficient (const DenseSymmetricMatrix &m) | |
Construct using matrix m for the constant. More... | |
virtual void | Eval (DenseSymmetricMatrix &M, ElementTransformation &T, const IntegrationPoint &ip) |
Evaluate the matrix coefficient at ip. More... | |
virtual void | Eval (DenseSymmetricMatrix &K, ElementTransformation &T, const IntegrationPoint &ip)=0 |
Evaluate the matrix coefficient in the element described by T at the point ip, storing the result as a symmetric matrix K. More... | |
virtual void | Eval (DenseMatrix &K, ElementTransformation &T, const IntegrationPoint &ip) |
Evaluate the matrix coefficient in the element described by T at the point ip, storing the result as a dense matrix K. More... | |
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SymmetricMatrixCoefficient (int dimension) | |
Construct a dim x dim matrix coefficient. More... | |
int | GetSize () const |
Get the size of the matrix. More... | |
virtual void | ProjectSymmetric (QuadratureFunction &qf) |
Fill the QuadratureFunction qf by evaluating the coefficient at the quadrature points. More... | |
virtual void | Eval (DenseMatrix &K, ElementTransformation &T, const IntegrationPoint &ip) |
Evaluate the matrix coefficient in the element described by T at the point ip, storing the result as a dense matrix K. More... | |
const DenseSymmetricMatrix & | GetMatrix () |
Return a reference to the constant matrix. More... | |
virtual | ~SymmetricMatrixCoefficient () |
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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... | |
virtual 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 | 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 | |
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DenseSymmetricMatrix | mat |
Internal matrix used when evaluating this coefficient as a DenseMatrix. More... | |
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int | height |
int | width |
double | time |
bool | symmetric |
A matrix coefficient that is constant in space and time.
Definition at line 1341 of file coefficient.hpp.
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inline |
Construct using matrix m for the constant.
Definition at line 1348 of file coefficient.hpp.
virtual void mfem::SymmetricMatrixCoefficient::Eval |
Evaluate the matrix coefficient in the element described by T at the point ip, storing the result as a symmetric matrix K.
void mfem::SymmetricMatrixCoefficient::Eval |
Evaluate the matrix coefficient in the element described by T at the point ip, storing the result as a dense matrix K.
This function allows the use of SymmetricMatrixCoefficient in situations where the symmetry is not taken advantage of.
Definition at line 778 of file coefficient.cpp.
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inlinevirtual |
Evaluate the matrix coefficient at ip.
Implements mfem::SymmetricMatrixCoefficient.
Definition at line 1352 of file coefficient.hpp.