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c_zkr.c
/* --------------------------------- */
/* save as c_zkr.c                   */
/* --------------------------------- */
#include  "x_hfile.h"
#include    "f_zkr.h"
/* --------------------------------- */
int main(void)
{
double M =  cylindrical_dzdkdr( f,
                                u,v,LOOP,
                                s,t,LOOP,
                                a,b,LOOP);
 clrscrn();
 
 printf(" With the cylindrical coordinates. dzdkdr\n\n");
 printf("     f : r,k,z -> %s\n\n", feq);

 printf(" z = v : r,k   -> %s  \n", veq);
 printf(" z = u : r,k   -> %s\n\n", ueq);

 printf(" k = t :   r   -> %s  \n", teq);
 printf(" k = s :   r   -> %s\n\n", seq);

 printf(" r = b :       -> %s  \n", beq);
 printf(" r = a :       -> %s\n\n", aeq); 
                          
 printf("        (r=b   (k=t(r)   (z=v(r,k)    \n");
 printf(" m = int(   int(      int(      f(r,k,z) *r* dzdkdr = %.6f\n",M);
 printf("        (r=a   (k=s(r)   (z=u(r,k) \n\n");

 printf("  Code mathematica  : \n\n" 
        "  integral z * (r) dz dk dr from 0 to 2"
        " from 0 to Pi/2.  from 0 to 3 \n\n\n");
        
 stop();

 return 0;
}
/* --------------------------------- */
/* --------------------------------- */


Exemple de sortie écran :

 With the cylindrical coordinates. dzdkdr

     f : r,k,z -> z

 z = u : r,k   -> 0  
 z = v : r,k   -> 2.

 k = s :   r   -> 0  
 k = t :   r   -> PI/2.

 r = a :       -> 0  
 r = b :       -> 3.

        (r=b   (k=t(r)   (z=v(r,k)    
 m = int(   int(      int(      f(r,k,z) *r* dzdkdr = 14.137167
        (r=a   (k=s(r)   (z=u(r,k) 

  Code mathematica  : 

  integral z * (r) dz dk dr from 0 to 2 from 0 to Pi/2.  from 0 to 3 


 Press return to continue.