DGtal::EigenLinearAlgebraBackend Struct Reference

Aim: Provide linear algebra backend using Eigen dense and sparse matrix as well as dense vector. 6 linear solvers available: More...

#include <DGtal/math/linalg/EigenSupport.h>

Public Types
typedef Eigen::VectorXd	DenseVector
typedef Eigen::MatrixXd	DenseMatrix
typedef Eigen::VectorXi	IntegerVector
typedef Eigen::SparseMatrix< DenseVector::Scalar, Eigen::ColMajor, DenseVector::Index >	SparseMatrix
typedef Eigen::Triplet< double, SparseMatrix::StorageIndex >	Triplet
typedef Eigen::SimplicialLLT< SparseMatrix >	SolverSimplicialLLT
	Solvers on sparse matrices. More...
typedef Eigen::SimplicialLDLT< SparseMatrix >	SolverSimplicialLDLT
typedef Eigen::ConjugateGradient< SparseMatrix >	SolverConjugateGradient
typedef Eigen::BiCGSTAB< SparseMatrix >	SolverBiCGSTAB
typedef Eigen::SparseLU< SparseMatrix >	SolverSparseLU
typedef Eigen::SparseQR< SparseMatrix, Eigen::COLAMDOrdering< SparseMatrix::Index > >	SolverSparseQR

Detailed Description

Aim: Provide linear algebra backend using Eigen dense and sparse matrix as well as dense vector. 6 linear solvers available:

Description of struct 'EigenLinearAlgebraBackend'

• EigenLinearAlgebraBackend::SolverSimplicialLLT
• EigenLinearAlgebraBackend::SolverSimplicialLDLT
• EigenLinearAlgebraBackend::SolverConjugateGradient
• EigenLinearAlgebraBackend::SolverBiCGSTAB
• EigenLinearAlgebraBackend::SolverSparseLU
• EigenLinearAlgebraBackend::SolverSparseQR Eigen solvers documentation here

Definition at line 95 of file EigenSupport.h.

Member Typedef Documentation

DenseMatrix

typedef Eigen::MatrixXd DGtal::EigenLinearAlgebraBackend::DenseMatrix

Definition at line 98 of file EigenSupport.h.

DenseVector

typedef Eigen::VectorXd DGtal::EigenLinearAlgebraBackend::DenseVector

Definition at line 97 of file EigenSupport.h.

IntegerVector

typedef Eigen::VectorXi DGtal::EigenLinearAlgebraBackend::IntegerVector

Definition at line 99 of file EigenSupport.h.

SolverBiCGSTAB

typedef Eigen::BiCGSTAB<SparseMatrix> DGtal::EigenLinearAlgebraBackend::SolverBiCGSTAB

Examples

dec/exampleDiscreteExteriorCalculusSolve.cpp.

Definition at line 108 of file EigenSupport.h.

SolverConjugateGradient

typedef Eigen::ConjugateGradient<SparseMatrix> DGtal::EigenLinearAlgebraBackend::SolverConjugateGradient

Examples

dec/exampleDiscreteExteriorCalculusSolve.cpp.

Definition at line 107 of file EigenSupport.h.

SolverSimplicialLDLT

typedef Eigen::SimplicialLDLT<SparseMatrix> DGtal::EigenLinearAlgebraBackend::SolverSimplicialLDLT

Examples

dec/exampleDiscreteExteriorCalculusSolve.cpp.

Definition at line 106 of file EigenSupport.h.

SolverSimplicialLLT

typedef Eigen::SimplicialLLT<SparseMatrix> DGtal::EigenLinearAlgebraBackend::SolverSimplicialLLT

Solvers on sparse matrices.

Examples

dec/exampleDiscreteExteriorCalculusSolve.cpp.

Definition at line 105 of file EigenSupport.h.

SolverSparseLU

typedef Eigen::SparseLU<SparseMatrix> DGtal::EigenLinearAlgebraBackend::SolverSparseLU

Examples

dec/exampleDiscreteExteriorCalculusSolve.cpp.

Definition at line 109 of file EigenSupport.h.

SolverSparseQR

typedef Eigen::SparseQR<SparseMatrix, Eigen::COLAMDOrdering<SparseMatrix::Index> > DGtal::EigenLinearAlgebraBackend::SolverSparseQR

Examples

dec/exampleDiscreteExteriorCalculusSolve.cpp.

Definition at line 110 of file EigenSupport.h.

SparseMatrix

typedef Eigen::SparseMatrix<DenseVector::Scalar, Eigen::ColMajor, DenseVector::Index> DGtal::EigenLinearAlgebraBackend::SparseMatrix

Definition at line 101 of file EigenSupport.h.

Triplet

typedef Eigen::Triplet<double, SparseMatrix::StorageIndex> DGtal::EigenLinearAlgebraBackend::Triplet

Definition at line 102 of file EigenSupport.h.

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

• EigenSupport.h