Mathc initiation/c35cd
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c17d.c |
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/* ---------------------------------- */
/* save as c17d.c */
/* --------------------------------- */
#include "x_hfile.h"
#include "fd.h"
/* --------------------------------- */
int main(void)
{
double ax,bx,nx,
ny,nz,M;
clrscrn();
printf(" f : x,y,z -> %s\n\n", feq);
printf(" v : x,z -> %s \n", veq);
printf(" u : x,z -> %s\n\n", ueq);
printf(" t : x -> %s \n", teq);
printf(" s : x -> %s\n\n", seq);
ax = -1;
bx = 1;
nx = 2*50;ny = 2*50;nz = 2*50;
M = trapezoid_dydzdx( f,
ax,bx,nx,
sz,tz,nz,
uy,vy,ny);
printf(" With the trapezoidal's rule.\n\n\n");
printf(" (%+.1f (%s (%s \n", bx, teq, veq);
printf(" A = int( int( int( %s dy dz dx = %.6f\n",feq, M);
printf(" (%+.1f (%s (%s\n\n\n", ax, seq, ueq);
stop();
return 0;
}
/* --------------------------------- */
Exemple de sortie écran :
f : x,y,z -> 1
v : x,z -> 6-z
u : x,z -> 0
t : x -> 4-x**2
s : x -> 3*x**2
With the trapezoidal's rule.
(+1.0 (4-x**2 (6-z
A = int( int( int( 1 dy dz dx = 20.265067
(-1.0 (3*x**2 (0
Press return to continue.