Mathc initiation/a47

Sommaire

Installer et compiler ces fichiers dans votre répertoire de travail.

	c00a.c

/* --------------------------------- */
/* save as c00a.c                    */
/* --------------------------------- */
#include "x_hfile.h"
#include      "fa.h"
/* --------------------------------- */
int main(void)
{
CTRL_splot w;

w.xmin  = -3;  w.xmax    =  3;
w.ymin  = -2;  w.ymax    =  2;
w.zmin  = -0;  w.zmax    =  1;
w.rot_x = 55;  w.rot_z   = 57;
w.scale =  1;  w.scale_z =  1;

 clrscrn();

 printf(" f : (x,y)-> %s\n\n\n", feq);

     G_3d_eq(   w,
              feq);

 return 0;
}
/* --------------------------------- */
/* --------------------------------- */

Fichier de commande gnuplot :

reset
set    samples 40
set isosamples 40
set hidden3d
set xlabel "X axis"
set ylabel "Y axis"
set zlabel "Z axis" offset 1, 0
set view 55.000, 57.000, 1.000, 1.000 
set xrange [-3.000:3.000]
set yrange [-2.000:2.000]
set zrange [0.000:1.000]
splot 1/(x*x + y*y + 1)

Exemple de sortie écran 1 :

 f : (x,y)-> 1/(x*x + y*y + 1)


 Open the file "a_main.plt" with gnuplot.

 Press return to continue.