MFEM
v3.1
Finite element discretization library
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Data type for scaled Jacobi-type smoother of sparse matrix. More...
#include <sparsesmoothers.hpp>
Public Member Functions | |
DSmoother (int t=0, double s=1., int it=1) | |
Create Jacobi smoother. More... | |
DSmoother (const SparseMatrix &a, int t=0, double s=1., int it=1) | |
Create Jacobi smoother. More... | |
virtual void | Mult (const Vector &x, Vector &y) const |
Matrix vector multiplication with Jacobi smoother. More... | |
Public Member Functions inherited from mfem::SparseSmoother | |
SparseSmoother () | |
SparseSmoother (const SparseMatrix &a) | |
virtual void | SetOperator (const Operator &a) |
Set/update the solver for the given operator. More... | |
Public Member Functions inherited from mfem::MatrixInverse | |
MatrixInverse () | |
MatrixInverse (const Matrix &mat) | |
Creates approximation of the inverse of square matrix. More... | |
Public Member Functions inherited from mfem::Solver | |
Solver (int s=0, bool iter_mode=false) | |
Solver (int h, int w, bool iter_mode=false) | |
Initialize a Solver with height 'h' and width 'w'. 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 | 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) |
Prints operator with input size n and output size m in matlab format. More... | |
virtual | ~Operator () |
Protected Attributes | |
int | type |
double | scale |
int | iterations |
Vector | z |
Protected Attributes inherited from mfem::SparseSmoother | |
const SparseMatrix * | oper |
Protected Attributes inherited from mfem::Operator | |
int | height |
int | width |
Additional Inherited Members | |
Public Attributes inherited from mfem::Solver | |
bool | iterative_mode |
If true, use the second argument of Mult as an initial guess. More... | |
Data type for scaled Jacobi-type smoother of sparse matrix.
Definition at line 55 of file sparsesmoothers.hpp.
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inline |
Create Jacobi smoother.
Definition at line 66 of file sparsesmoothers.hpp.
mfem::DSmoother::DSmoother | ( | const SparseMatrix & | a, |
int | t = 0 , |
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double | s = 1. , |
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int | it = 1 |
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) |
Create Jacobi smoother.
Create the Jacobi smoother.
Definition at line 55 of file sparsesmoothers.cpp.
Matrix vector multiplication with Jacobi smoother.
Implements mfem::Operator.
Definition at line 64 of file sparsesmoothers.cpp.
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protected |
Definition at line 60 of file sparsesmoothers.hpp.
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protected |
Definition at line 59 of file sparsesmoothers.hpp.
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protected |
Definition at line 58 of file sparsesmoothers.hpp.
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mutableprotected |
Definition at line 62 of file sparsesmoothers.hpp.