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MFEM v4.8.0
Finite element discretization library
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Constant matrix coefficient defined as the identity of dimension d. More...
#include <coefficient.hpp>
Public Member Functions | |
| IdentityMatrixCoefficient (int d) | |
| Construct with the dimension of the square identity matrix. | |
| void | Eval (DenseMatrix &M, ElementTransformation &T, const IntegrationPoint &ip) override |
| 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. | |
| virtual void | SetTime (real_t t) |
| Set the time for time dependent coefficients. | |
| 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 |
Constant matrix coefficient defined as the identity of dimension d.
Definition at line 2076 of file coefficient.hpp.
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inline |
Construct with the dimension of the square identity matrix.
Definition at line 2083 of file coefficient.hpp.
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overridevirtual |
Evaluate the matrix coefficient at ip.
Implements mfem::MatrixCoefficient.
Definition at line 1295 of file coefficient.cpp.