Mathc initiation/a345
Apparence
Installer ce fichier dans votre répertoire de travail.
g_tanpy.h |
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/* ---------------------------------- */
/* save as g_tanpy.h */
/* ---------------------------------- */
void G_TanPy(
CTRL_splot w,
double c,
double (*P_f)(double x),
char feq[],
double (*PDf)(double x)
)
{
double a = ((*PDf)(c));
double b = (-((*PDf)(c))* c + ((*P_f)(c)));
FILE *fp = fopen("a_main.plt","w");
fprintf(fp," set zeroaxis lt 8\n"
" set grid\n\n"
// " set size ratio -1\n"
" plot [%0.3f:%0.3f] [%0.3f:%0.3f]\\\n"
" %s with line lt 6 lw 2,\\\n"
" %0.6f*x %+0.6f with line lt 6 lw 2,\\\n"
" \"a_p2yaxi\" with linesp lt 7 lw 4 ps 2 \\\n",
w.xmin,w.xmax,w.ymin,w.ymax,
feq,
a,b);
fclose(fp);
fp = fopen("a_p2yaxi","w");
fprintf(fp," %0.6f %0.6f\n", c, ((*P_f)(c)));
fprintf(fp," 0. %0.6f", ((*P_f)(c))-(((*PDf)(c))*c));
fclose(fp);
}
/* ---------------------------------- */
/* ---------------------------------- */
Dans ce fichier il y a la déclaration des fichiers h.