Mathc matrices/a211

Application

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	c00a.c

/* ------------------------------------ */
/*  Save as :   c00a.c                  */
/* ------------------------------------ */
#include "v_a.h"
/* ------------------------------------ */
#define   RA R4
#define   CA C4
#define   Cb C1
/* ------------------------------------ */
int main(void)
{
double ab[RA*(CA+Cb)]={
//  x1    x2    x3       
    +1,   +1,   +0,   +0,   +50,       // A
    +0,   -1,   -1,   +0,   -40,       // B
    +0,   +0,   +1,   +0,   +20 -10,   // C
    -1,   +0,   +0,   +0,   -30 +10    // D  
};

double **Ab = ca_A_mR(ab,i_Abr_Ac_bc_mR(RA,CA,Cb));
double **A  = c_Ab_A_mR(Ab,i_mR(RA,CA));
double **b  = c_Ab_b_mR(Ab,i_mR(RA,Cb));

  clrscrn();
  printf(" A :");
  p_mR(A,S5,P0,C7);
  printf(" b :");
  p_mR(b,S5,P0,C7);
  printf(" Ab :");
  p_mR(Ab,S5,P0,C7);
  getchar();

  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) :\n\n"
      "   x1    x2    x3  ");
  gj_TP_mR(Ab);
  p_mR(Ab,S5,P0,C7);
  stop();

  f_mR(Ab);
  f_mR(b);
  f_mR(A);
  
  return 0;
}
/* ------------------------------------ */
/* ------------------------------------ */

Exemple de sortie écran :

 ------------------------------------ 
 A :
   +1    +1    +0    +0 
   +0    -1    -1    +0 
   +0    +0    +1    +0 
   -1    +0    +0    +0 

 b :
  +50 
  -40 
  +10 
  -20 

 Ab :
   +1    +1    +0    +0   +50 
   +0    -1    -1    +0   -40 
   +0    +0    +1    +0   +10 
   -1    +0    +0    +0   -20 


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

 Ab=[
+1,+1,+0,+0,+50;
+0,-1,-1,+0,-40;
+0,+0,+1,+0,+10;
-1,+0,+0,+0,-20]


 rref(Ab,.00000000001)

  gj_TP_mR(Ab) :

   x1    x2    x3  
   +1    +0    +0    +0   +20 
   -0    +1    +0    -0   +30 
   +0    +0    +1    +0   +10 
   +0    +0    +0    +0    +0 

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