MFEM
v3.2
Finite element discretization library
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Abstract data type matrix. More...
#include <matrix.hpp>
Public Member Functions | |
Matrix (int s) | |
Creates a square matrix of size s. More... | |
Matrix (int h, int w) | |
Creates a matrix of the given height and width. More... | |
virtual double & | Elem (int i, int j)=0 |
Returns reference to a_{ij}. More... | |
virtual const double & | Elem (int i, int j) const =0 |
Returns constant reference to a_{ij}. More... | |
virtual MatrixInverse * | Inverse () const =0 |
Returns a pointer to (an approximation) of the matrix inverse. More... | |
virtual void | Finalize (int) |
Finalizes the matrix initialization. More... | |
virtual void | Print (std::ostream &out=std::cout, int width_=4) const |
Prints matrix to stream out. More... | |
virtual | ~Matrix () |
Destroys matrix. More... | |
Public Member Functions inherited from mfem::Operator | |
Operator (int s=0) | |
Construct a square Operator with given size s (default 0) More... | |
Operator (int h, int w) | |
int | Height () const |
Get the height (size of output) of the Operator. Synonym with NumRows. More... | |
int | NumRows () const |
int | Width () const |
Get the width (size of input) of the Operator. Synonym with NumCols. More... | |
int | NumCols () const |
virtual void | Mult (const Vector &x, Vector &y) const =0 |
Operator application. More... | |
virtual void | MultTranspose (const Vector &x, Vector &y) const |
Action of the transpose operator. More... | |
virtual Operator & | GetGradient (const Vector &x) const |
Evaluate the gradient operator at the point x. More... | |
void | PrintMatlab (std::ostream &out, int n=0, int m=0) const |
Prints operator with input size n and output size m in matlab format. More... | |
virtual | ~Operator () |
Friends | |
class | MatrixInverse |
Additional Inherited Members | |
Protected Attributes inherited from mfem::Operator | |
int | height |
int | width |
Abstract data type matrix.
Definition at line 27 of file matrix.hpp.
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inlineexplicit |
Creates a square matrix of size s.
Definition at line 32 of file matrix.hpp.
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inlineexplicit |
Creates a matrix of the given height and width.
Definition at line 35 of file matrix.hpp.
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inlinevirtual |
Destroys matrix.
Definition at line 53 of file matrix.hpp.
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pure virtual |
Returns reference to a_{ij}.
Implemented in mfem::MixedBilinearForm, mfem::SparseMatrix, mfem::BilinearForm, mfem::DenseMatrix, and mfem::BlockMatrix.
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pure virtual |
Returns constant reference to a_{ij}.
Implemented in mfem::MixedBilinearForm, mfem::SparseMatrix, mfem::BilinearForm, mfem::DenseMatrix, and mfem::BlockMatrix.
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inlinevirtual |
Finalizes the matrix initialization.
Reimplemented in mfem::MixedBilinearForm, mfem::SparseMatrix, and mfem::BilinearForm.
Definition at line 47 of file matrix.hpp.
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pure virtual |
Returns a pointer to (an approximation) of the matrix inverse.
Implemented in mfem::MixedBilinearForm, mfem::SparseMatrix, mfem::BilinearForm, mfem::DenseMatrix, and mfem::BlockMatrix.
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virtual |
Prints matrix to stream out.
Reimplemented in mfem::SparseMatrix, and mfem::DenseMatrix.
Definition at line 22 of file matrix.cpp.
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friend |
Definition at line 29 of file matrix.hpp.