MFEM  v3.2
Finite element discretization library
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mfem::RAPOperator Class Reference

The operator x -> R*A*P*x. More...

#include <operator.hpp>

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

 RAPOperator (Operator &Rt_, Operator &A_, Operator &P_)
 Construct the RAP operator given R^T, A and P. More...
 
virtual void Mult (const Vector &x, Vector &y) const
 Operator application. More...
 
virtual void MultTranspose (const Vector &x, Vector &y) const
 Action of the transpose operator. More...
 
virtual ~RAPOperator ()
 
- 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 OperatorGetGradient (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 ()
 

Additional Inherited Members

- Protected Attributes inherited from mfem::Operator
int height
 
int width
 

Detailed Description

The operator x -> R*A*P*x.

Definition at line 164 of file operator.hpp.

Constructor & Destructor Documentation

mfem::RAPOperator::RAPOperator ( Operator Rt_,
Operator A_,
Operator P_ 
)
inline

Construct the RAP operator given R^T, A and P.

Definition at line 175 of file operator.hpp.

virtual mfem::RAPOperator::~RAPOperator ( )
inlinevirtual

Definition at line 186 of file operator.hpp.

Member Function Documentation

virtual void mfem::RAPOperator::Mult ( const Vector x,
Vector y 
) const
inlinevirtual

Operator application.

Implements mfem::Operator.

Definition at line 180 of file operator.hpp.

virtual void mfem::RAPOperator::MultTranspose ( const Vector x,
Vector y 
) const
inlinevirtual

Action of the transpose operator.

Reimplemented from mfem::Operator.

Definition at line 183 of file operator.hpp.


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