dan60.c File Reference

Library for Data Analysis; Least Square Fit routines. More...

#include "vxWorks.h"
#include "stdlib.h"
#include "stdio.h"
#include "string.h"
#include "math.h"
#include "float.h"
#include "application.conf"

Defines
#define	COVARA(i, j)   covara[nterms*i + j]
#define	ALPHA(i, j)   alpha[nterms*i + j]
#define	ALPHAMIN   FLT_MIN
#define	MATRIX(i, j)   matrix[order*i + j]
#define	DX0   .001
#define	DXF   1.1
#define	SQRTPI   1.772453851
Functions
int	Curfit (int npts, double *x, double *y, double *weight, int nterms, double *a, double *covara, double flamda, double(*functn)(double x, double *a), int(*fderiv)(double x, double *a, double *deriv))
int	Matinv (double *matrix, int order, double *det)
double	Chitst (double chisqr, int nfree)

---

Detailed Description

Library for Data Analysis; Least Square Fit routines.

Author:

Kurt Huber; Strahlenzentrum J.L.-Universitaet GIESSEN

Date:

12.09.2001

Version:

15.08.2008

modification history
--------------------
15aug08 kHu	DOXYGEN comments added
05jul02 kHu	Curfit(): malloc(4 * nterms -> malloc((nterms+2) * nterms
12sep01 kHu	abgetrennt von iac1a1.c

---

Define Documentation

#define ALPHA	(	i,
		j		)	alpha[nterms*i + j]

#define ALPHAMIN   FLT_MIN

#define COVARA	(	i,
		j		)	covara[nterms*i + j]

#define DX0   .001

#define DXF   1.1

#define MATRIX	(	i,
		j		)	matrix[order*i + j]

#define SQRTPI   1.772453851

---

Function Documentation

double Chitst	(	double	chisqr,
		int	nfree
	)

int Curfit	(	int	npts,
		double *	x,
		double *	y,
		double *	weight,
		int	nterms,
		double *	a,
		double *	covara,
		double	flamda,
		double(*)(double x, double *a)	functn,
		int(*)(double x, double *a, double *deriv)	fderiv
	)

int Matinv	(	double *	matrix,
		int	order,
		double *	det
	)