Mathc complexes/a63

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	c00a.c

/* ------------------------------------ */
/*  Save as :   c00a.c                  */
/* ------------------------------------ */
#include "w_a.h"
/* ------------------------------------ */
#define FACTOR_E        +1.E-2   
/* ------------------------------------ */
/* ------------------------------------ */
void fun(int r,int c)
{
double **A =              r_mZ(i_mZ(r,c),99);	
double **A_T = ctranspose_mZ(A,i_mZ(c,r));
double **V =                   i_mZ(r,c);
double **U =                   i_mZ(r,c);
double **U_T =                 i_mZ(c,r); //             :c,r 
double **U_TA =                i_mZ(c,c); // c,r r,c     :c,c
double **U_TA2 =               i_mZ(c,r); // c,r         :c,r 
double **S =                   i_mZ(c,c); // c,r r,c     :c,c   U_TA2V

  clrscrn();
  printf(" A :");
  p_mZ(A, S10,P2, S8,P2, C3);
      
  X_U_mZ(A_T,U,FACTOR_E);
  printf(" U :");
  p_mZ(U, S10,P4, S8,P4, C3);

  X_V_mZ(A_T,V,FACTOR_E);
  printf(" V :");
  p_mZ(V, S10,P4, S8,P4, C3); 
  
   ctranspose_mZ(U,U_T);
  
/* S = U_T * A * V */
   mul_mZ(  U_T,  A, U_TA);        // U_TA  : c,c
     c_mZ( U_TA,    U_TA2);        // U_TA2 : c,r 
   mul_mZ(U_TA2,  V,    S);        //     V : r,c
   
   printf(" S = U_T * A * V :");
   p_mZ(S, S10,P4, S9,P4, C3);

   f_mZ(A);   
   f_mZ(A_T);

   f_mZ(V); 
  
   f_mZ(U);
   f_mZ(U_T);   
   f_mZ(U_TA);
   f_mZ(U_TA2);   
   f_mZ(S);
}
/* ------------------------------------ */
int main(void)
{
time_t t;

  srand(time(&t));

do
{
    fun(R3,C2);
    
} while(stop_w());

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

Exemple de sortie écran :

 A :
    +64.00   +5.00i     -35.00  -65.00i 
    -36.00  -24.00i     -35.00   -5.00i 
    -52.00  +21.00i     -54.00  -54.00i 

 U :
   +0.5640 +0.4101i    -0.3491 -0.5062i 
   +0.3181 -0.2159i    +0.1734 +0.3296i 
   +0.6049 +0.0000i    +0.6951 +0.0000i 

 V :
   +0.1322 -0.1901i    -0.5555 +0.7986i 
   +0.9728 +0.0000i    +0.2315 -0.0000i 
   +0.0000 +0.0000i    +0.0000 +0.0000i 

 S = U_T * A * V :
  -91.6064 -65.9098i    -0.0000  +0.0000i 
   -0.0000  -0.0000i    -0.5583 -94.5191i 


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