Mathc matrices/c17a

Application

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	c00a.c

/* ------------------------------------ */
/*  Save as :   c00a.c                  */
/* ------------------------------------ */
#include "v_a.h"
/* ------------------------------------ */
#define   RA R2
#define   CA C7
#define   Cb C1
/* ------------------------------------ */
void fun(void)
{
double a[RA*CA]={
   +381,     +184,     +659,     -768,     -313,     +623,       +2, 
   +352,      +26,     +346,     -675,     -421,     -595,     -364  
};

double tb[RA*Cb]={
    -286, 
     +33  
};

double **A  = ca_A_mR(a,  i_mR(RA,CA )); 
double **b  = ca_A_mR(tb, i_mR(RA,C1)); 
double **Ab =             i_Abr_Ac_bc_mR(  RA, CA, Cb);
/*                        i_Abr_Ac_bc_mR(R_Ab,C_A,C_b));  */


  clrscrn();
  printf(" A :");
  P_mR(A,S8,P0,C7);
  
  printf(" b :");
  P_mR(b,S8,P0,C7);
  
  printf(" Ab :");
  c_A_b_Ab_mR(A,b,Ab);
  p_mR(Ab,S8,P0,C7);
  stop();

  clrscrn();
  printf(" Copy/Past into the octave window.\n\n");
  p_Octave_mR(Ab,"Ab",P0);
  printf("\n rref(Ab,.00000000001)\n\n");
  printf("  GJ_TP_mR(Ab) :");
  GJ_TP_mR(Ab);
  p_mR(Ab,S10,P4,C7);
  stop();
  
  f_mR(Ab);
  f_mR(b);
  f_mR(A);
}
/* ------------------------------------ */
int main(void)
{
  fun();

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

Nous utilisons la fonction GJ_TP_mR(Ab); pour résoudre ce système.

Exemple de sortie écran :

 -------------------------------------------
 A :
    +381,     +184,     +659,     -768,     -313,     +623,       +2, 
    +352,      +26,     +346,     -675,     -421,     -595,     -364  

 b :
    -286, 
     +33  

 Ab :
    +381     +184     +659     -768     -313     +623       +2 
    +352      +26     +346     -675     -421     -595     -364 

    -286 
     +33 

 Press return to continue. 


 -------------------------------------------
 Copy/Past into the octave window.

 Ab=[
+381,+184,+659,-768,-313,+623,+2,-286;
+352,+26,+346,-675,-421,-595,-364,+33]


 rref(Ab,.00000000001)

  GJ_TP_mR(Ab) :
   +1.0000    +0.0000    +0.8481    -1.8999    -1.2636    -2.2908    -1.2218 
   -0.0000    +1.0000    +1.8253    -0.2399    +0.9155    +8.1293    +2.5407 

   +0.2462 
   -2.0642 

 Press return to continue.