Mathc initiation/a349
Installer et compiler ces fichiers dans votre répertoire de travail.
c00a1.c |
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/* ---------------------------------- */
/* save as c00a1.c */
/* ---------------------------------- */
#include "x_hfile.h"
#include "fa.h"
/* ---------------------------------- */
int main(void)
{
double c = 1.;
CTRL_splot w;
w.xmin = -2.0; w.xmax = +4.0,
w.ymin = -7.0; w.ymax = +5.0;
clrscrn();
printf(" f : x-> %s\n\n", feq);
printf(" f': x-> %s\n\n\n",Dfeq);
printf(" With c = %0.3f, the equation of the tangent is :\n\n",c);
printf(" y = f'(c) (x-c) + f(c) = ");
eq_Tan( c,
f,
Df);
G_Tan ( w,
c,
f,feq,Df);
printf("\n\n"
" With gnuplot... load \"a_main.plt\"\n\n");
stop();
return 0;
}
/* --------------------------------- */
/* --------------------------------- */
Exemple de sortie écran :
f : x-> 3.0*x**2 - 2.0*x - 5.0
f': x-> 6.0*x - 2.0
With c = 1.000, the equation of the tangent is :
y = f'(c) (x-c) + f(c) = 4.000*x -8.000
With gnuplot... load "a_main.plt"
Press return to continue.