Mathc initiation/Fichiers c : c49cb
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c02b.c |
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/* ---------------------------------- */
/* save as c02b.c */
/* ---------------------------------- */
#include "x_hfile.h"
#include "fa.h"
/* ---------------------------------- */
int main(void)
{
double i;
clrscrn();
printf(" The line y = a \n\n");
printf(" is an asymptote at the curve of f at oo+ (or oo-) if :\n\n\n");
printf(" lim f(x) = a \n");
printf(" x->+oo \n\n\n");
printf(" or \n\n\n");
printf(" lim f(x) = a \n");
printf(" x->-oo \n\n\n");
stop();
clrscrn();
printf(" f : x-> %s\n\n\n", feq);
printf(" Compute : lim f(x) = a \n");
printf(" x->+oo \n");
printf(" \n\n\n");
for(i=1; i<10; i+=1)
printf(" f(%+.0f) = %5.3f || f(%+.0f) = %.3f\n",
i*100, f(i*100),
i*1000000000,f(i*1000000000)
);
printf("\n\n");
printf(" The computation gives the impression of : a = %.3f\n\n",
f(i*1000000000));
stop();
return 0;
}
/* ---------------------------------- */
/* ---------------------------------- */
Fichier de commande gnuplot :
# ---------------------
# Copy and past this file into the screen of gnuplot
#
#
set zeroaxis lt 3 lw 1
set grid
plot [-10.:10.] [-0.:3.] \
2*x**2/(x**2+3.)
reset
# ---------------------
Exemple de sortie écran :
The line y = a
is an asymptote at the curve of f at oo+ (or oo-) if :
lim f(x) = a
x->+oo
or
lim f(x) = a
x->-oo
Press return to continue.
Exemple de sortie écran :
f : x-> 2*x**2/(x**2+3.)
Compute : lim f(x) = a
x->+oo
f(+100) = 1.999 || f(+1000000000) = 2.000
f(+200) = 2.000 || f(+2000000000) = 2.000
f(+300) = 2.000 || f(+3000000000) = 2.000
f(+400) = 2.000 || f(+4000000000) = 2.000
f(+500) = 2.000 || f(+5000000000) = 2.000
f(+600) = 2.000 || f(+6000000000) = 2.000
f(+700) = 2.000 || f(+7000000000) = 2.000
f(+800) = 2.000 || f(+8000000000) = 2.000
f(+900) = 2.000 || f(+9000000000) = 2.000
The computation gives the impression of : a = 2.000
Press return to continue.