Mathc initiation/a190

Installer et compiler ces fichiers dans votre répertoire de travail.

	`c00e1.c`

/* --------------------------------- */
/* save as c00e1.c                   */
/* --------------------------------- */
#include "x_hfile.h"
#include      "fe.h"
/* --------------------------------- */
int main(void)
{
tvalue     t;

  t.value =  0.; 
  t.min   =  0.; 
  t.max   = 2.*PI;  
  t.step  = .05;  

CTRL_splot p;

  p.xmin = -3;
  p.xmax =  3;             
  p.ymin = -4;
  p.ymax =  4;

 clrscrn();

 printf(" f : t-> %s  \n", feq);
 printf(" g : t-> %s\n\n", geq);

 printf(" Draw  the point P(f(t),g(t))\n\n" 

        " ... load \"a_main.plt\" ... with gnuplot.\n\n");
 
  pause(10.E8);
 
  do{

  G_Curve_2d(p,
             f,g,
             t
            );
            
       pause(9.E7);
      
  } while((t.value+=t.step)<t.max);

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

Exemple de sortie écran :

 f : t-> a*sin(k1*t)  
 g : t-> b*cos(k2*t)

 t = +0.50 

 Draw  the point P(f(t),g(t))

 ... load "a_main.plt" ... with gnuplot.

 Press return to continue.