#include <stdio.h>
#include <math.h>
#include <grass/gis.h>
#include <grass/interpf.h>
Go to the source code of this file.
|
double | IL_crst (double r, double fi) |
|
int | IL_crstg (double r, double fi, double *gd1, double *gd2) |
|
- Author
- Lubos Mitas (original program and various modifications)
-
H. Mitasova, I. Kosinovsky, D. Gerdes, D. McCauley (GRASS4.1 version of the program and GRASS4.2 modifications)
-
L. Mitas , H. Mitasova , I. Kosinovsky, D.Gerdes D. McCauley (1993, 1995)
-
modified by McCauley in August 1995
-
modified by Mitasova in August 1995, Nov. 1996
- Copyright
- (C) 1993-1999 by Lubos Mitas and the GRASS Development Team
-
This program is free software under the GNU General Public License (>=v2). Read the file COPYING that comes with GRASS for details.
Definition in file func2d.c.
◆ IL_crst()
double IL_crst |
( |
double | r, |
|
|
double | fi ) |
Radial basis function
Radial basis function - completely regularized spline with tension (d=2)
- Parameters
-
r | distance squared |
fi | tension |
Definition at line 46 of file func2d.c.
References b, r, and x.
◆ IL_crstg()
int IL_crstg |
( |
double | r, |
|
|
double | fi, |
|
|
double * | gd1, |
|
|
double * | gd2 ) |
Function for calculating derivatives (d=2)
Derivatives of radial basis function - regularized spline with tension(d=2)
- Parameters
-
r | distance squared |
fi | tension |
gd1 | G1(r) |
gd2 | G2(r) |
Definition at line 106 of file func2d.c.
References r, and x.