Sparse matrix. More...

#include <include/GooseFEM/Matrix.h>

Inheritance diagram for GooseFEM::Matrix:

Collaboration diagram for GooseFEM::Matrix:

Public Member Functions
	Matrix (const array_type::tensor< size_t, 2 > &conn, const array_type::tensor< size_t, 2 > &dofs)
	Constructor. More...

const Eigen::SparseMatrix< double > &	data () const
	Pointer to data. More...

void	set (const array_type::tensor< size_t, 1 > &rows, const array_type::tensor< size_t, 1 > &cols, const array_type::tensor< double, 2 > &matrix)
	Overwrite matrix. More...

void	add (const array_type::tensor< size_t, 1 > &rows, const array_type::tensor< size_t, 1 > &cols, const array_type::tensor< double, 2 > &matrix)
	Add matrix. More...

Public Member Functions inherited from GooseFEM::MatrixBase< Matrix >
size_t	nelem () const
	Number of elements. More...

size_t	nne () const
	Number of nodes per element. More...

size_t	nnode () const
	Number of nodes. More...

size_t	ndim () const
	Number of dimensions. More...

size_t	ndof () const
	Number of DOFs. More...

const array_type::tensor< size_t, 2 > &	dofs () const
	DOFs per node. More...

const array_type::tensor< size_t, 2 > &	conn () const
	Connectivity. More...

std::array< size_t, 1 >	shape_dofval () const
	Shape of "dofval". More...

std::array< size_t, 2 >	shape_nodevec () const
	Shape of "nodevec". More...

std::array< size_t, 3 >	shape_elemmat () const
	Shape of "elemmat". More...

void	assemble (const T &elemmat)
	Assemble from "elemmat". More...

array_type::tensor< double, 2 >	Todense () const
	Copy as dense matrix. More...

void	todense (T &ret) const
	Copy to dense matrix. More...

array_type::tensor< double, 2 >	Dot (const array_type::tensor< double, 2 > &x) const
	Dot-product \( b_i = A_{ij} x_j \). More...

array_type::tensor< double, 1 >	Dot (const array_type::tensor< double, 1 > &x) const
	Dot-product \( b_i = A_{ij} x_j \). More...

void	dot (const array_type::tensor< double, 2 > &x, array_type::tensor< double, 2 > &b) const
	Dot-product \( b_i = A_{ij} x_j \). More...

void	dot (const array_type::tensor< double, 1 > &x, array_type::tensor< double, 1 > &b) const
	Dot-product \( b_i = A_{ij} x_j \). More...

Friends
template<class >
class	MatrixSolver
	Class to solve the system (allowing single factorisation for multiple right-hand-sides). More...

Additional Inherited Members
Public Types inherited from GooseFEM::MatrixBase< Matrix >
using	derived_type = Matrix
	Underlying type. More...

Protected Attributes inherited from GooseFEM::MatrixBase< Matrix >
array_type::tensor< size_t, 2 >	m_conn
	Connectivity [#nelem, #nne]. More...

array_type::tensor< size_t, 2 >	m_dofs
	DOF-numbers per node [#nnode, #ndim]. More...

size_t	m_nelem
	See nelem(). More...

size_t	m_nne
	See nne(). More...

size_t	m_nnode
	See nnode(). More...

size_t	m_ndim
	See ndim(). More...

size_t	m_ndof
	See ndof(). More...

bool	m_changed
	Signal changes to data. More...

Detailed Description

Sparse matrix.

See GooseFEM::Vector() for bookkeeping definitions.

Definition at line 650 of file Matrix.h.

Constructor & Destructor Documentation

◆ Matrix()

GooseFEM::Matrix::Matrix	(	const array_type::tensor< size_t, 2 > &	conn,
		const array_type::tensor< size_t, 2 > &	dofs
	)

inline

Constructor.

Parameters

conn	connectivity [nelem, nne].
dofs	DOFs per node [nnode, ndim].

Definition at line 676 of file Matrix.h.

Member Function Documentation

◆ add()

void GooseFEM::Matrix::add	(	const array_type::tensor< size_t, 1 > &	rows,
		const array_type::tensor< size_t, 1 > &	cols,
		const array_type::tensor< double, 2 > &	matrix
	)

inline

Add matrix.

Parameters

rows	Row numbers [m].
cols	Column numbers [n].
matrix	Data entries `matrix(i, j)` for `rows(i), cols(j)` [m, n].

Definition at line 763 of file Matrix.h.

◆ data()

const Eigen::SparseMatrix< double > & GooseFEM::Matrix::data ( ) const

inline

Pointer to data.

Definition at line 695 of file Matrix.h.

◆ set()

void GooseFEM::Matrix::set	(	const array_type::tensor< size_t, 1 > &	rows,
		const array_type::tensor< size_t, 1 > &	cols,
		const array_type::tensor< double, 2 > &	matrix
	)

inline

Overwrite matrix.

Parameters

rows	Row numbers [m].
cols	Column numbers [n].
matrix	Data entries `matrix(i, j)` for `rows(i), cols(j)` [m, n].

Definition at line 734 of file Matrix.h.

Friends And Related Function Documentation

◆ MatrixSolver

template<class >

friend class MatrixSolver

friend

Class to solve the system (allowing single factorisation for multiple right-hand-sides).

Definition at line 665 of file Matrix.h.

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

GooseFEM/Matrix.h

Public Member Functions

Friends

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ Matrix()

Member Function Documentation

◆ add()

◆ data()

◆ set()

Friends And Related Function Documentation

◆ MatrixSolver