X Value Decomposition

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c00a.c
/* ------------------------------------ */
/*  save as :   c00a.c                  */
/* ------------------------------------ */
#include "w_a.h"
/* ------------------------------------ */
#define FACTOR_E        +1.E-12  
/* ------------------------------------ */
/* ------------------------------------ */
void fun(int r,int c)
{
double **A   =          rE_mZ(  i_mZ(r,c), 999999999, 1E+3 );
double **Acc =                  i_mZ(c,c);

double **V      =               i_mZ(c,r);
double **U      =               i_mZ(c,r); 
double **V_T    =               i_mZ(r,c); 
double **V_TAcc =               i_mZ(r,c);  
double **X      =               i_mZ(r,r);
double **invX   =               i_mZ(r,r); 
double **UinvX  =               i_mZ(c,r);
double **Pinv   =               i_mZ(c,c);
double **APinv  =               i_mZ(r,c);

  clrscrn();
  printf(" A :");
  p_mZ(A, S18,P2, S17,P2, C2);
  stop(); 
  
  clrscrn();
  printf(" A :");
  pE_mZ(A, S12,P3, S11,P3, C3); 
        
  printf(" U :");
  X_U_mZ(A,U,FACTOR_E);
    p_mZ(U, S10,P4, S8,P4, C3);

  printf(" V :");
  X_V_mZ(A,V,FACTOR_E);
    p_mZ(V, S10,P4, S8,P4, C3); 
 
  ctranspose_mZ(V,V_T);
  stop(); 
   
  clrscrn();    
  printf(" X = V_T * A * U :");
  c_mZ(A, Acc);
  mul_mZ(V_T,  Acc, V_TAcc);          
  mul_mZ(V_TAcc, U,  X);             
  pE_mZ(X, S10,P4, S9,P4, C3);
  
  printf(" invX :");
  X_inv_mZ(X, invX);
  pE_mZ(invX, S10,P4, S8,P4, C3);
  stop();  
   
  clrscrn();
  printf(" Pinv =  U * invX * V_T:");
  mul_mZ(U,invX,UinvX);
  mul_mZ(UinvX,V_T,Pinv); 
  pE_mZ(Pinv, S10,P4, S8,P4, C3); 

  printf(" Ide = A * Pinv");
  mul_mZ(A,Pinv,APinv); 
  p_mZ(APinv, S8,P3, S5,P3, C6); 
      
  f_mZ(A);  
  f_mZ(Acc);
  f_mZ(U);      
  f_mZ(V); 
  f_mZ(V_T);
  f_mZ(V_TAcc);  
  f_mZ(X);
  f_mZ(APinv);
}
/* ------------------------------------ */
int main(void)
{
time_t t;

  srand(time(&t));

do
{
    fun(R3,C5);
    
} while(stop_w());

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


Exemple de sortie écran :
 A :
  +186765322000.00  -70820385000.00i   +331285289000.00 -826818995000.00i 
  -214763435000.00 -702522264000.00i   -477864586000.00 +254841326000.00i 
  -165348475000.00 +432166791000.00i   +638343874000.00 +981126259000.00i 

  -727051807000.00 +985130048000.00i   +907658252000.00 +443901584000.00i 
  +558710533000.00  +19762688000.00i   +193036260000.00 -530535344000.00i 
  -832477543000.00 -644235252000.00i   -571407465000.00  -99183198000.00i 

  +647370769000.00 +529101291000.00i 
  -664511076000.00 +543284822000.00i 
  -253187876000.00 -916425447000.00i 

 Press return to continue. 


 A :
  +1.868e+11 -7.082e+10i   +3.313e+11 -8.268e+11i   -7.271e+11 +9.851e+11i 
  -2.148e+11 -7.025e+11i   -4.779e+11 +2.548e+11i   +5.587e+11 +1.976e+10i 
  -1.653e+11 +4.322e+11i   +6.383e+11 +9.811e+11i   -8.325e+11 -6.442e+11i 

  +9.077e+11 +4.439e+11i   +6.474e+11 +5.291e+11i 
  +1.930e+11 -5.305e+11i   -6.645e+11 +5.433e+11i 
  -5.714e+11 -9.918e+10i   -2.532e+11 -9.164e+11i 

 U :
   -0.0604 +0.2405i    -0.1934 -0.2585i    +0.2153 -0.3676i 
   -0.5525 +0.1377i    +0.0384 +0.0188i    -0.0466 +0.4260i 
   +0.5775 -0.1744i    -0.2208 +0.0808i    +0.4938 +0.1628i 
   +0.2624 +0.3608i    +0.1055 -0.0629i    -0.4791 -0.3604i 
   +0.2267 +0.0000i    +0.9075 +0.0000i    +0.0707 +0.0000i 

 V :
   -0.4205 -0.5256i    -0.0249 +0.5029i    +0.5050 +0.1959i 
   -0.1697 +0.2725i    -0.4947 -0.5288i    +0.5990 +0.1172i 
   +0.6662 +0.0000i    +0.4713 +0.0000i    +0.5779 -0.0000i 
   +0.0000 +0.0000i    +0.0000 +0.0000i    +0.0000 +0.0000i 
   +0.0000 +0.0000i    +0.0000 +0.0000i    +0.0000 +0.0000i 

 Press return to continue. 


 X = V_T * A * U :
-2.0208e+12-1.7814e+12i +1.2207e-04+6.1035e-04i +3.9291e-04+2.0981e-04i 
+6.1035e-05-4.8828e-04i +1.8958e+11-1.5326e+12i -1.1444e-04-1.3733e-04i 
+4.2915e-04-1.3494e-04i -1.9073e-04+7.3433e-04i -7.1022e+11+1.9905e+11i 

 invX :
-2.7846e-13+2.4547e-13i +0.0000e+00+0.0000e+00i +0.0000e+00+0.0000e+00i 
+0.0000e+00+0.0000e+00i +7.9496e-14+6.4266e-13i +0.0000e+00+0.0000e+00i 
+0.0000e+00+0.0000e+00i +0.0000e+00+0.0000e+00i -1.3055e-12-3.6588e-13i 

 Press return to continue. 


 Pinv =  U * invX * V_T:
-1.4714e-13+2.2397e-13i -2.1503e-13+4.6580e-13i -1.9724e-13+1.0909e-13i 
+5.8193e-14-1.7451e-13i -1.0483e-14-3.6921e-13i +2.0094e-13-4.1510e-13i 
-4.8936e-13-1.8772e-13i -2.1869e-13-1.3687e-13i -4.4951e-13-1.6434e-13i 
+4.9306e-13+1.3357e-13i +3.3163e-13+3.7397e-13i +2.0060e-13+3.7881e-13i 
+2.3712e-13-1.0238e-13i -3.7653e-13-2.4727e-13i -6.1388e-14+2.9699e-13i 

+0.0000e+00+0.0000e+00i +0.0000e+00+0.0000e+00i 
+0.0000e+00+0.0000e+00i +0.0000e+00+0.0000e+00i 
+0.0000e+00+0.0000e+00i +0.0000e+00+0.0000e+00i 
+0.0000e+00+0.0000e+00i +0.0000e+00+0.0000e+00i 
+0.0000e+00+0.0000e+00i +0.0000e+00+0.0000e+00i 

 Ide = A * Pinv
  +1.000+0.000i   +0.000+0.000i   -0.000+0.000i   +0.000+0.000i   +0.000+0.000i 
  -0.000-0.000i   +1.000-0.000i   +0.000-0.000i   +0.000+0.000i   +0.000+0.000i 
  -0.000+0.000i   +0.000-0.000i   +1.000+0.000i   +0.000+0.000i   +0.000+0.000i 


 Press   return to continue
 Press X return to stop