GooseFEM::MatrixDiagonal Class Reference

Diagonal matrix. More...

#include <GooseFEM/MatrixDiagonal.h>

Inheritance diagram for GooseFEM::MatrixDiagonal:

Public Member Functions
template<class C , class D >
	MatrixDiagonal (const C &conn, const D &dofs)
	Constructor.
void	set (const array_type::tensor< double, 1 > &A)
	Set all (diagonal) matrix components.
const array_type::tensor< double, 1 > &	Todiagonal () const
	Copy as diagonal matrix.
const array_type::tensor< double, 1 > &	data () const
	Underlying matrix.
Public Member Functions inherited from GooseFEM::MatrixBase< MatrixDiagonal >
size_t	nelem () const
	Number of elements.
size_t	nne () const
	Number of nodes per element.
size_t	nnode () const
	Number of nodes.
size_t	ndim () const
	Number of dimensions.
size_t	ndof () const
	Number of DOFs.
const array_type::tensor< size_t, 2 > &	dofs () const
	DOFs per node.
const array_type::tensor< size_t, 2 > &	conn () const
	Connectivity.
std::array< size_t, 1 >	shape_dofval () const
	Shape of "dofval".
std::array< size_t, 2 >	shape_nodevec () const
	Shape of "nodevec".
std::array< size_t, 3 >	shape_elemmat () const
	Shape of "elemmat".
void	assemble (const T &elemmat)
	Assemble from "elemmat".
array_type::tensor< double, 2 >	Todense () const
	Copy as dense matrix.
void	todense (T &ret) const
	Copy to dense matrix.
array_type::tensor< double, 2 >	Dot (const array_type::tensor< double, 2 > &x) const
	Dot-product \( b_i = A_{ij} x_j \).
array_type::tensor< double, 1 >	Dot (const array_type::tensor< double, 1 > &x) const
	Dot-product \( b_i = A_{ij} x_j \).
void	dot (const array_type::tensor< double, 2 > &x, array_type::tensor< double, 2 > &b) const
	Dot-product \( b_i = A_{ij} x_j \).
void	dot (const array_type::tensor< double, 1 > &x, array_type::tensor< double, 1 > &b) const
	Dot-product \( b_i = A_{ij} x_j \).
Public Member Functions inherited from GooseFEM::MatrixDiagonalBase< MatrixDiagonal >
array_type::tensor< double, 2 >	Solve (const array_type::tensor< double, 2 > &b)
	Solve \( x = A^{-1} b \).
array_type::tensor< double, 1 >	Solve (const array_type::tensor< double, 1 > &b)
	Solve \( x = A^{-1} b \).
void	solve (const array_type::tensor< double, 2 > &b, array_type::tensor< double, 2 > &x)
	Solve \( x = A^{-1} b \).
void	solve (const array_type::tensor< double, 1 > &b, array_type::tensor< double, 1 > &x)
	Solve \( x = A^{-1} b \).

Additional Inherited Members
Public Types inherited from GooseFEM::MatrixBase< MatrixDiagonal >
using	derived_type
	Underlying type.
Public Types inherited from GooseFEM::MatrixDiagonalBase< MatrixDiagonal >
using	derived_type
	Underlying type.
Protected Attributes inherited from GooseFEM::MatrixBase< MatrixDiagonal >
array_type::tensor< size_t, 2 >	m_conn
	Connectivity [nelem, nne].
array_type::tensor< size_t, 2 >	m_dofs
	DOF-numbers per node [nnode, ndim].
size_t	m_nelem
	See nelem().
size_t	m_nne
	See nne().
size_t	m_nnode
	See nnode().
size_t	m_ndim
	See ndim().
size_t	m_ndof
	See ndof().
bool	m_changed
	Signal changes to data.

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 206 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 197 of file MatrixDiagonal.h.

---

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

• GooseFEM/MatrixDiagonal.h