Mathc complexes/00a

X Value Decomposition

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	c00a.c

/* ------------------------------------ */
/*  save as :   c00a.c                  */
/* ------------------------------------ */
#include "w_a.h"
/* ------------------------------------ */
#define RA              R3
#define CA              C5
/* ------------------------------------ */
#define FACTOR_E        +1.E-2   
/* ------------------------------------ */
/* ------------------------------------ */
int main(void)
{
int r = RA;
int c = CA;  

double a[RA*(CA*C2)] ={    
   +4, +28,   -82, +58,    -5,  -6,   +30, +46,   -76, -17, 
  +65, -51,   +25, +86,   +78, +53,    +8, +74,   +94, -93, 
  +93, -18,   -38, -50,   -61, +27,   +49, +17,   -98, +43
  };

double **A      = ca_A_mZ(a, i_mZ(r,c));                         	
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); 

  clrscrn();
  printf(" A :");
  P_mZ(A, S5,P0, S4,P0, C6); 
        
  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);

  printf(" X = V_T * A * U :");
  c_mZ(A, Acc);
  mul_mZ(V_T,  Acc, V_TAcc);          
  mul_mZ(V_TAcc, U,  X);             
  p_mZ(X, S10,P4, S9,P4, C3);
  stop();
    
  f_mZ(A);  
  f_mZ(Acc);   
  f_mZ(V); 
  f_mZ(V_T);
  f_mZ(U); 
  f_mZ(V_TAcc);  
  f_mZ(X);

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

Exemple de sortie écran :

 A :
   +4, +28,   -82, +58,    -5,  -6,   +30, +46,   -76, -17, 
  +65, -51,   +25, +86,   +78, +53,    +8, +74,   +94, -93, 
  +93, -18,   -38, -50,   -61, +27,   +49, +17,   -98, +43  

 U :
   +0.1099 +0.1622i    -0.4664 -0.3321i    +0.5659 +0.2034i 
   -0.0258 -0.4271i    +0.0870 +0.3941i    +0.4715 +0.5624i 
   +0.2812 -0.3546i    -0.0783 +0.1849i    -0.1710 -0.1862i 
   -0.1782 -0.0962i    -0.4939 +0.2407i    -0.0196 +0.0143i 
   +0.7299 +0.0000i    +0.4088 +0.0000i    +0.1878 -0.0000i 

 V :
   +0.1567 +0.0612i    +0.5488 +0.2104i    -0.7386 -0.2842i 
   -0.8170 -0.1463i    +0.5096 +0.0905i    +0.2045 +0.0375i 
   +0.5318 -0.0000i    +0.6218 +0.0000i    +0.5749 -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 

 X = V_T * A * U :
 -175.7101+156.9912i    -0.0000  +0.0000i    +0.0000  -0.0000i 
   +0.0000  +0.0000i  -163.2623 -55.0545i    +0.0000  -0.0000i 
   -0.0000  +0.0000i    +0.0000  +0.0000i  +108.4528 -36.5673i 

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