gauss_jordan.h File Reference

gauss-jordan solver for linear systems TBCI::gaussj More...

#include "tbci/basics.h"
#include "tbci/matrix.h"

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Macros
#define	GJ_MINVAL   1e-16
#define	HVAL   1e38

Functions
template<typename T >
NAMESPACE_TBCI char	gaussj (Matrix< T > &a, Matrix< T > &b)

Detailed Description

gauss-jordan solver for linear systems TBCI::gaussj

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Author

Attila M. Bilgic

Date

5/97

Definition in file gauss_jordan.h.

Macro Definition Documentation

#define GJ_MINVAL   1e-16

Definition at line 23 of file gauss_jordan.h.

Referenced by gaussj().

#define HVAL   1e38

Definition at line 28 of file gauss_jordan.h.

Referenced by gaussj().

Function Documentation

template<typename T >

NAMESPACE_TBCI char gaussj	(	Matrix< T > &	a,
		Matrix< T > &	b
	)

Parameters

a	square n*n Matrix
b	n*m Matrix, containing the Vectors to solve for

gauss-jordan linear algebraic equation solver with pivoting; Num.Rec. p.39

Returns

a is inverted Matrix, b contains solution Vectors

Note

The Matrices passed will be changed!

Definition at line 46 of file gauss_jordan.h.

References a, b, BCHK, TMatrix< T >::col, err, std::fabs(), GJ_MINVAL, HVAL, i, MATH__, REGISTER, TMatrix< T >::row, STD__, TBCI::SWAP(), T, v, and z.

Referenced by lev_mar(), and LM_fit_2D().