Inheritance diagram for TMatrix2D:

Collaboration diagram for TMatrix2D:

Public Member Functions
	TMatrix2D (TStructure2D *structure)

	TMatrix2D ()
	generate empty matrix

void	SetStructure (TStructure2D *structure)
	fill empty matrix, More...

	~TMatrix2D ()

TStructure2D *	GetStructure () const

TMatrix2D &	operator*= (double alpha)
	scale all active rows

void	resetNonActive ()
	set all Dirichlet rows to zero. That means all rows where the test space has nonactive degrees of freedom.

Public Member Functions inherited from TMatrix
	TMatrix (TStructure *structure)

	TMatrix (TStructure structure, double Entries)

void	SetStructure (TStructure *structure)
	reset the structure, this may mean that the entries need to be reallocated

	TMatrix (int nRows, int nCols)

	~TMatrix ()

void	Reset ()

int	GetN_Rows () const

int	GetN_Columns () const

int	GetN_Entries () const

int	GetHangingN_Entries () const

int *	GetKCol () const

int *	GetHangingKCol () const

int *	GetHangingRowPtr () const

int *	GetRowPtr () const

TStructure *	GetStructure () const

double *	GetEntries () const

double	GetNorm (int p=-1) const

int	Write (const char *filename) const

void	Print (const char *name="a") const
	Print matrix into the shell.

void	PrintFull (std::string name="", int fieldWidth=4) const
	print the full matrix, including all zeros More...

void	add (int i, int j, double val)

void	add (int i, std::map< int, double > vals, double factor=1.0)

void	add (std::map< int, std::map< int, double > > vals, double factor=1.0)

void	set (int i, int j, double val)

const double &	get (int i, int j) const

double &	get (int i, int j)

void	setEntries (double *entries)

TMatrix *	GetTransposed () const
	return a new TMatrix which is the transposed of this matrix More...

void	changeRows (std::map< int, std::map< int, double > > entries, bool deleteOldArrays=false)
	replace several rows in the matrix with new entries. More...

virtual TMatrix &	operator+= (const TMatrix *A)
	add another matrix to this one More...

virtual TMatrix &	operator-= (const TMatrix *A)
	substract another matrix to this one More...

virtual TMatrix &	operator+= (const TMatrix &A)
	add another matrix to this one More...

TMatrix &	operator= (const TMatrix &A)
	copy entries from A to this More...

void	multiply (const double const x, double y, double a=1.0) const
	compute y += a * A*x More...

TMatrix *	multiply (const TMatrix *const B, double a=1.0) const
	compute matrix-matrix product C = aAB, More...

void	scale (const double *const factor, bool from_left=true)
	scale a matrix using a vector More...

void	remove_zeros (double tol=0.0)
	remove all entries from sparsity structure where a zero is stored More...

double &	operator() (const int i, const int j)
	get/set a specific matrix entry More...

const double &	operator() (const int i, const int j) const
	get a specific matrix entry More...

Protected Attributes
TStructure2D *	structure

Protected Attributes inherited from TMatrix
TStructure *	structure

double *	Entries

Friends
TMatrix2D &	operator+ (const TMatrix2D &A, const TMatrix2D &B)
	add two matrices A and B More...

TMatrix2D &	operator- (const TMatrix2D &A, const TMatrix2D &B)
	substract matrices A and B, i.e. C = A - B More...

TMatrix2D &	operator* (const TMatrix2D &A, const double alpha)
	C = A*alpha. More...

TMatrix2D &	operator* (const double alpha, const TMatrix2D &A)
	C = alpha*A. More...

double *	operator* (const TMatrix2D &A, const double *x)
	y = A*x More...

Constructor & Destructor Documentation

TMatrix2D::TMatrix2D ( TStructure2D * structure )

generate the matrix

TMatrix2D::~TMatrix2D ( )

destructor: free Entries array

Member Function Documentation

void TMatrix2D::SetStructure ( TStructure2D * structure )

fill empty matrix,

you can either call the constructor TMatrix2D(TStructure2D*); or use TMatrix2D(); and then void SetStructure(TStructure2D*);

Friends And Related Function Documentation

TMatrix2D& operator*	(	const TMatrix2D &	A,
		const double	alpha
	)

friend

C = A*alpha.

C will consist of the active entries of A scaled by alpha. C will have zero entries in nonactive rows.

TMatrix2D& operator*	(	const double	alpha,
		const TMatrix2D &	A
	)

friend

C = alpha*A.

Same as TMatrix2D& operator*(const TMatrix2D & A, const double alpha);

double* operator*	(	const TMatrix2D &	A,
		const double *	x
	)

friend

y = A*x

note: only active DOF are multiplied, others are just copied from x note: the user has to delete y

TMatrix2D& operator+	(	const TMatrix2D &	A,
		const TMatrix2D &	B
	)

friend

add two matrices A and B

note: only active DOF are added note: only works for matrices with the same sparsity pattern

TMatrix2D& operator-	(	const TMatrix2D &	A,
		const TMatrix2D &	B
	)

friend

substract matrices A and B, i.e. C = A - B

note: only active DOF are substracted note: only works for matrices with the same sparsity pattern

Member Data Documentation

TStructure2D* TMatrix2D::structure

protected

matrix structure

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

include/FE/Matrix2D.h
src/FE/Matrix2D.C

Public Member Functions

Protected Attributes

Friends

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation