Mathc initiation/Fichiers c : c23ce
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c3e.c |
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/* --------------------------------- */
/* save as c3e.c */
/* --------------------------------- */
#include "x_hfile.h"
#include "fb.h"
/* --------------------------------- */
int main(void)
{
double c = .5;
clrscrn();
printf(" f : x-> %s\n\n"
" Df2 : x-> %s\n\n\n", feq, Dfeq2);
printf(" Compute the second derivative of f when x = %0.3f\n\n", c);
printf(" with Df2(%0.3f) = %0.8f \n",c, Df2(c));
printf(" with fx_xx(%0.3f) = %0.8f\n\n",c, fx_xx(f,c,H));
stop();
return 0;
}
/* ---------------------------------- */
/* ---------------------------------- */
Exemple de sortie écran :
f : x-> cos(x)
Df2 : x-> (-cos(x))
Compute the second derivative of f when x = 0.500
with Df2(0.500) = -0.87758256
with fx_xx(0.500) = -0.87758356
Press return to continue