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# sc::RefDiagSCMatrix Class Reference

The RefDiagSCMatrix class is a smart pointer to an DiagSCMatrix specialization. More...

`#include <matrix.h>`

Inheritance diagram for sc::RefDiagSCMatrix:

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Collaboration diagram for sc::RefDiagSCMatrix:

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List of all members.

## Public Methods

| RefDiagSCMatrix ()
| Initializes the matrix pointer to 0. More...
| RefDiagSCMatrix (const RefDiagSCMatrix &m)
| Make this and m refer to the same SCMatrix.
| RefDiagSCMatrix (DiagSCMatrix *m)
| Make this refer to m.
| ~RefDiagSCMatrix ()
RefDiagSCMatrix & | operator= (DiagSCMatrix *m)
| Make this refer to m.
RefDiagSCMatrix & | operator= (const RefDiagSCMatrix &m)
| Make this and m refer to the same matrix.
| RefDiagSCMatrix (const RefSCDimension &, const Ref< SCMatrixKit > &)
| Create a diagonal matrix with dimension d by d. More...
RefSCMatrix | operator * (const RefSCMatrix &) const
| Multiply this by a matrix and return a matrix.
RefDiagSCMatrix | operator * (double) const
RefDiagSCMatrix | operator+ (const RefDiagSCMatrix &) const
| Matrix addition and subtraction.
RefDiagSCMatrix | operator- (const RefDiagSCMatrix &) const
RefDiagSCMatrix | i () const
| Return the inverse of this.
RefDiagSCMatrix | gi () const
| Return the generalized inverse of this.
RefDiagSCMatrix | clone () const
| These call the SCMatrix members of the same name after checking for references to 0.
RefDiagSCMatrix | copy () const
void | set_element (int, double) const
void | accumulate_element (int, double) const
double | get_element (int) const
void | randomize () const
void | assign (const RefDiagSCMatrix &) const
void | scale (double) const
void | assign (double) const
void | assign (const double *) const
void | convert (double *) const
void | accumulate (const RefDiagSCMatrix &) const
void | element_op (const Ref< SCElementOp > &) const
void | element_op (const Ref< SCElementOp2 > &, const RefDiagSCMatrix &) const
void | element_op (const Ref< SCElementOp3 > &, const RefDiagSCMatrix &, const RefDiagSCMatrix &) const
int | n () const
RefSCDimension | dim () const
Ref< SCMatrixKit > | kit () const
double | trace () const
void | print (std::ostream &) const
void | print (const char *title=0, std::ostream &out=ExEnv::out0(), int=10) const
void | save (StateOut &)
void | restore (StateIn &)
double | determ () const
| Returns the determinant of the referenced matrix.
DiagSCMatrixdouble | operator() (int i) const
| Assign and examine matrix elements.
int | nblock () const
| If this matrix is blocked return the number of blocks. More...
RefDiagSCMatrix | block (int i) const
| If this matrix is blocked return block i. More...

## Detailed Description

The RefDiagSCMatrix class is a smart pointer to an DiagSCMatrix specialization.

## Constructor & Destructor Documentation

sc::RefDiagSCMatrix::RefDiagSCMatrix | ( |  | ) |

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

sc::RefDiagSCMatrix::RefDiagSCMatrix | ( | const RefSCDimension & | ,
|  | const Ref< SCMatrixKit > & |
| ) |

| Create a diagonal matrix with dimension d by d. The data values are undefined.

## Member Function Documentation

RefDiagSCMatrix sc::RefDiagSCMatrix::block | ( | int | i | ) | const

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

int sc::RefDiagSCMatrix::nblock | ( |  | ) | const

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

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

- matrix.h