Aller au contenu

Mathc initiation/a257

Un livre de Wikilivres.


Sommaire


Installer et compiler ces fichiers dans votre répertoire de travail.

c0a3.c
/* ---------------------------------- */
/* save as c0a3.c                     */
/* ---------------------------------- */
#include "x_afile.h"
#include      "fa.h"
/* ---------------------------------- */
int main(void)
{
tvalue n;

  n.min   =  1; 
  n.max   =  9;  
  
double i;

 clrscrn();
 printf(" Compute the %.0f first term of the sequence [a_n]  \n\n\n"
        " a_n : a_1      r**(n-1) \n       %.2f  %.2f**(n-1) \n\n",
          n.max, A_1, R);

 for(i=n.min; i<=n.max; i++)
 
     printf(" a_%.0f = %+11.5f \n", i, a_n(i));
     
     
 printf("\n\n"
        " Partial sum S_n = %s for the sequence a_n.\n\n"
        " S_n = %.2f\n\n", S_aneq, S_an(n.max,A_1,R));        
 stop();

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


Exemple de sortie écran :

 Compute the 9 first term of the sequence [a_n]  


 a_n : a_1      r**(n-1) 
       3.00  2.00**(n-1) 

 a_1 =    +3.00000 
 a_2 =    +6.00000 
 a_3 =   +12.00000 
 a_4 =   +24.00000 
 a_5 =   +48.00000 
 a_6 =   +96.00000 
 a_7 =  +192.00000 
 a_8 =  +384.00000 
 a_9 =  +768.00000 


 Partial sum S_n = [a_1 (1-r**(n))/(1-r) for the sequence a_n.

 S_n = 1533.00

 Press return to continue.