GooseFEM::MatrixDiagonal Class Reference

Diagonal matrix. More...

#include <include/GooseFEM/MatrixDiagonal.h>

Inheritance diagram for GooseFEM::MatrixDiagonal:

Collaboration diagram for GooseFEM::MatrixDiagonal:

Public Member Functions
template<class C , class D >
	MatrixDiagonal (const C &conn, const D &dofs)
	Constructor. More...
void	set (const array_type::tensor< double, 1 > &A)
	Set all (diagonal) matrix components. More...
const array_type::tensor< double, 1 > &	Todiagonal () const
	Copy as diagonal matrix. More...
const array_type::tensor< double, 1 > &	data () const
	Underlying matrix. More...
Public Member Functions inherited from GooseFEM::MatrixBase< MatrixDiagonal >
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...
Public Member Functions inherited from GooseFEM::MatrixDiagonalBase< MatrixDiagonal >
array_type::tensor< double, 2 >	Solve (const array_type::tensor< double, 2 > &b)
	Solve \( x = A^{-1} b \). More...
array_type::tensor< double, 1 >	Solve (const array_type::tensor< double, 1 > &b)
	Solve \( x = A^{-1} b \). More...
void	solve (const array_type::tensor< double, 2 > &b, array_type::tensor< double, 2 > &x)
	Solve \( x = A^{-1} b \). More...
void	solve (const array_type::tensor< double, 1 > &b, array_type::tensor< double, 1 > &x)
	Solve \( x = A^{-1} b \). More...

Additional Inherited Members
Public Types inherited from GooseFEM::MatrixBase< MatrixDiagonal >
using	derived_type = MatrixDiagonal
	Underlying type. More...
Public Types inherited from GooseFEM::MatrixDiagonalBase< MatrixDiagonal >
using	derived_type = MatrixDiagonal
	Underlying type. More...
Protected Attributes inherited from GooseFEM::MatrixBase< MatrixDiagonal >
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

Diagonal matrix.

Warning: assemble() ignores all off-diagonal terms.

See Vector() for bookkeeping definitions.

Definition at line 115 of file MatrixDiagonal.h.

Constructor & Destructor Documentation

MatrixDiagonal()

template<class C , class D >

GooseFEM::MatrixDiagonal::MatrixDiagonal ( const C &  conn, const D &  dofs  )

inline

Constructor.

Template Parameters

C	e.g. array_type::tensor<size_t, 2>
D	e.g. array_type::tensor<size_t, 2>

Parameters

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

Definition at line 133 of file MatrixDiagonal.h.

Member Function Documentation

data()

const array_type::tensor< double, 1 > & GooseFEM::MatrixDiagonal::data ( ) const

inline

Underlying matrix.

Returns

[ndof].

Definition at line 205 of file MatrixDiagonal.h.

set()

void GooseFEM::MatrixDiagonal::set ( const array_type::tensor< double, 1 > &  A )

inline

Set all (diagonal) matrix components.

Parameters

A	The matrix [ndof].

Definition at line 185 of file MatrixDiagonal.h.

Todiagonal()

const array_type::tensor< double, 1 > & GooseFEM::MatrixDiagonal::Todiagonal ( ) const

inline

Copy as diagonal matrix.

Returns

[ndof].

Definition at line 196 of file MatrixDiagonal.h.

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

• GooseFEM/MatrixDiagonal.h