Mathc matrices/c12b17

Application

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	c00b.c

/* ------------------------------------ */
/* ------------------------------------ */
/*  Save as :   c00b.c                  */
/* ------------------------------------ */
#include "v_a.h"
/* ------------------------------------ */
#define   RA R3
#define   CA C5
/* ------------------------------------ */
#define FACTOR_E        +1.E-0         
/* ------------------------------------ */
void fun(void)
{
double **A    = r_mR(i_mR(RA,CA),9);
double **Pinv =      i_mR(CA,RA);     
double **Ide  =      i_mR(RA,RA);    

  clrscrn();
  printf(" A :");
  p_mR(A,S7,P2,C7);   
  
  printf(" PseudoInverse = V * invS_T * U_T ");
  Pinv_Cn_mR(A,Pinv,FACTOR_E); 
  pE_mR(Pinv,S12,P4,C10);
  
  printf(" Ide =  A * Pinv ");
  mul_mR(A,Pinv,Ide); 
  p_mR(Ide,S7,P2,C10); 
    
  f_mR(A); 
  f_mR(Pinv); 
  f_mR(Ide); 
}
/* ------------------------------------ */
int main(void)
{
time_t t;

  srand(time(&t));

do
{
  
  fun();

} while(stop_w());

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

Cet version fonctionne quand il y a plus de colonnes que de lignes.

Pinv_Cn_mR(A,Pinv,FACTOR_E);

Exemple de sortie écran :

 ------------------------------------ 
 A :
  +9.00   +3.00   -4.00   -2.00   +5.00 
  -3.00   +1.00   +6.00   +4.00   +5.00 
  +6.00   -1.00   -3.00   +9.00   +5.00 

 PseudoInverse = V * invS_T * U_T 
 +5.2041e-02  -2.1138e-02  +1.8845e-02 
 +4.9634e-02  +3.8999e-02  -3.5594e-02 
 +8.0140e-03  +8.1849e-02  -3.6351e-02 
 -5.9396e-02  +9.7580e-04  +8.6410e-02 
 +5.9198e-02  +8.0518e-02  -7.0809e-03 

 Ide =  A * Pinv 
  +1.00   +0.00   -0.00 
  -0.00   +1.00   -0.00 
  +0.00   +0.00   +1.00 


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