sc_RefSCMatrix (3) - Linux Manuals

NAME

sc::RefSCMatrix -

The RefSCMatrix class is a smart pointer to an SCMatrix specialization.

SYNOPSIS

#include <matrix.h>

Inherits Ref< SCMatrix >.

Public Member Functions

RefSCMatrix ()
Initializes the matrix pointer to 0.
RefSCMatrix (const RefSCMatrix &m)
Make this and m refer to the same SCMatrix.
RefSCMatrix (SCMatrix *m)
Make this refer to m.
RefSCMatrix & operator= (SCMatrix *m)
Make this refer to m.
RefSCMatrix & operator= (const RefSCMatrix &m)
Make this and m refer to the same matrix.
RefSCMatrix (const RefSCDimension &d1, const RefSCDimension &d2, const Ref< SCMatrixKit > &)
Create a vector with dimension d1 by d2.
RefSCVector operator* (const RefSCVector &) const
Multiply this by a vector and return a vector.
RefSCMatrix operator* (const RefSCMatrix &) const
Multiply this by a matrix and return a matrix.
RefSCMatrix operator* (const RefSymmSCMatrix &) const

RefSCMatrix operator* (const RefDiagSCMatrix &) const

RefSCMatrix operator* (double) const
Multiply this by a scalar and return the result.
RefSCMatrix operator+ (const RefSCMatrix &) const
Matrix addition.
RefSCMatrix operator- (const RefSCMatrix &) const
Matrix subtraction.
RefSCMatrix t () const
Return the transpose of this.
RefSCMatrix i () const
Return the inverse of this.
RefSCMatrix gi () const
Return the generalized inverse of this.
RefSCMatrix clone () const
These call the SCMatrix members of the same name after checking for references to 0.
RefSCMatrix copy () const

RefSCMatrix get_subblock (int br, int er, int bc, int ec)

void assign_subblock (const RefSCMatrix &, int br, int er, int bc, int ec, int source_br=0, int source_bc=0)

void accumulate_subblock (const RefSCMatrix &, int, int, int, int, int source_br=0, int source_bc=0)

RefSCVector get_row (int) const

RefSCVector get_column (int) const

void assign_row (const RefSCVector &, int) const

void assign_column (const RefSCVector &, int) const

void accumulate_row (const RefSCVector &, int) const

void accumulate_column (const RefSCVector &, int) const

void accumulate_outer_product (const RefSCVector &, const RefSCVector &) const

void accumulate_product (const RefSCMatrix &, const RefSCMatrix &) const

void assign (const RefSCMatrix &) const

void scale (double) const

void randomize () const

void assign (double) const

void assign (const double *) const

void assign (const double **) const

void convert (double *) const

void convert (double **) const

void accumulate (const RefSCMatrix &) const

void accumulate (const RefSymmSCMatrix &) const

void accumulate (const RefDiagSCMatrix &) const

void element_op (const Ref< SCElementOp > &) const

void element_op (const Ref< SCElementOp2 > &, const RefSCMatrix &) const

void element_op (const Ref< SCElementOp3 > &, const RefSCMatrix &, const RefSCMatrix &) const

int nrow () const

int ncol () const

RefSCDimension rowdim () const

RefSCDimension coldim () const

Ref< SCMatrixKit > kit () const

void set_element (int, int, double) const

void accumulate_element (int, int, double) const

double get_element (int, int) const

void print (std::ostream &) const

void print (const char *title=0, std::ostream &out=ExEnv::out0(), int=10) const

double trace () const

void save (StateOut &)

void restore (StateIn &)
Restores the matrix from StateIn object. The matrix must have been initialized already.
void svd (const RefSCMatrix &U, const RefDiagSCMatrix &sigma, const RefSCMatrix &V)
Compute the singular value decomposition, this = U sigma V.t().
double solve_lin (const RefSCVector &v) const
Solves this x = v.
double determ () const
Returns the determinant of the referenced matrix.
SCMatrixdouble operator() (int i, int j) const
Assign and examine matrix elements.
int nblock () const
If this matrix is blocked return the number of blocks.
RefSCMatrix block (int i) const
If this matrix is blocked return block i.

Detailed Description

The RefSCMatrix class is a smart pointer to an SCMatrix specialization.

Constructor & Destructor Documentation

sc::RefSCMatrix::RefSCMatrix ()

Initializes the matrix pointer to 0. The reference must be initialized before it is used.

sc::RefSCMatrix::RefSCMatrix (const RefSCDimension & d1, const RefSCDimension & d2, const Ref< SCMatrixKit > &)

Create a vector with dimension d1 by d2. The data values are undefined.

Member Function Documentation

RefSCMatrix sc::RefSCMatrix::block (int i) const

If this matrix is blocked return block i. Otherwise return this as block 0.

RefSCMatrix sc::RefSCMatrix::clone () const

These call the SCMatrix members of the same name after checking for references to 0.

int sc::RefSCMatrix::nblock () const

If this matrix is blocked return the number of blocks. Otherwise return 1.

double sc::RefSCMatrix::solve_lin (const RefSCVector & v) const

Solves this x = v. Overwrites v with x.

void sc::RefSCMatrix::svd (const RefSCMatrix & U, const RefDiagSCMatrix & sigma, const RefSCMatrix & V)

Compute the singular value decomposition, this = U sigma V.t(). The dimension of sigma is the smallest dimension of this. U, V, and sigma must already have the correct dimensions and are overwritten.

Author

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