Mathc matrices/04j

Étude du code

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	c00a.c

/* ------------------------------------ */
/*  Save as :   c00a.c                  */
/* ------------------------------------ */
#include "v_a.h"
/* ------------------------------------ */
#define   RCA    RC4
/* ------------------------------------ */
#define    EV    R1  
/* ------------------------------------ */
int main(void)
{
double a[RCA*RCA]={
+9.825339522090, +7.309094034726, -3.954100051573, -1.198212136840, 
+7.309094034726, +5.437252879491, -2.941464672512, -0.891352931064, 
-3.954100051573, -2.941464672512, +1.591284167096, +0.482207323363, 
-1.198212136840, -0.891352931064, +0.482207323363, +0.146123431322 
};

double evalue[RCA*C1]={
+17, 
 -0,  
 -0, 
 -0      
};

double **A        = ca_A_mR(a,      i_mR(RCA,RCA));
double **EValue   = ca_A_mR(evalue, i_mR(RCA,C1));

double **Ide      =  eye_mR(   i_mR(RCA,RCA));
double **sIde     =            i_mR(RCA,RCA);
double **AmnssIde =            i_mR(RCA,RCA);

double **Ab       =            i_Abr_Ac_bc_mR(RCA,RCA,C1);
double **b        =            i_mR(RCA,C1);
double **Ab_free  =            i_Abr_Ac_bc_mR(RCA,RCA,RCA);
double **b_free   =            i_mR(RCA,RCA);

double **V        =            i_mR(RCA,RCA);

  clrscrn();
  printf(" A :");
  p_mR(A,S10,P5,C10);
  
         smul_mR(EValue[EV][C1],Ide,sIde);          
          sub_mR(A,sIde,AmnssIde);
        
     c_A_b_Ab_mR(AmnssIde,b,Ab); 
        gj_PP_mR(Ab,NO);  
    put_zeroR_mR(Ab,Ab_free);
    put_freeV_mR(Ab_free); 
        gj_PP_mR(Ab_free,YES);      
       c_Ab_b_mR(Ab_free,b_free);

          c_c_mR(b_free,C2,V,EV);  
                    
    Normalize_mR(V);
           
          printf(" V%d : Copy V%d into the last file",EV,EV);
          P_mR(V,S10,P12,C10);   
  stop();
             
  f_mR(A);
  f_mR(EValue);
  
  f_mR(Ide);
  f_mR(sIde);
  f_mR(AmnssIde);
  
  f_mR(Ab);
  f_mR(b);
  f_mR(Ab_free);    
  f_mR(b_free);
  
  f_mR(V); 
    

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

Calculer le dernier vecteur propre

Exemple de sortie écran :

 A :
  +9.82534   +7.30909   -3.95410   -1.19821 
  +7.30909   +5.43725   -2.94146   -0.89135 
  -3.95410   -2.94146   +1.59128   +0.48221 
  -1.19821   -0.89135   +0.48221   +0.14612 

 V1 : Copy V1 into the last file
-0.760237560476,       -nan,       -nan,       -nan, 
-0.565542575476,       -nan,       -nan,       -nan, 
+0.305949262143,       -nan,       -nan,       -nan, 
+0.092711897619,       -nan,       -nan,       -nan  

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