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Mathc complexes/02p

< Mathc complexes


Application


Installer et compiler ces fichiers dans votre répertoire de travail.


c00a.c
/* ------------------------------------ */
/*  Save as :   c00a.c                  */
/* ------------------------------------ */
#include "w_a.h"
/* ------------------------------------ */
#define FACTOR_E    +1.E-1         
#define RCA          RC4 
#define EV           RC4  
/* ------------------------------------ */       
/* ------------------------------------ */
void fun(void)
{                          
double a[RCA*(RCA*C2)] ={   
+1.329842932,+0.000000000, -0.125654450,-0.209424084, -0.041884817,-0.376963351, -0.041884817,+0.125654450, 
-0.125654450,+0.209424084, +1.910994764,+0.000000000, -0.125654450,-0.057591623, +0.031413613,+0.036649215, 
-0.041884817,+0.376963351, -0.125654450,+0.057591623, +1.785340314,+0.000000000, +0.068062827,+0.031413613, 
-0.041884817,-0.125654450, +0.031413613,-0.036649215, +0.068062827,-0.031413613, +1.973821990,+0.000000000  
};
                      
double **A        = ca_A_mZ(a,           i_mZ(RCA,RCA));
double **sA       = smul_mZ(FACTOR_E, A, i_mZ(RCA,RCA));
double **EValue   = eigs_mZ(         sA, i_mZ(RCA,RCA));
double **V        =                      i_mZ(RCA,RCA);

double **Ide      =  eye_mZ(             i_mZ(RCA,RCA));
double **zIde     =                      i_mZ(RCA,RCA);
double **sAmnszIde =                     i_mZ(RCA,RCA);

double **Ab       =            i_Abr_Ac_bc_mZ(RCA,RCA,C1);
double **b        =                      i_mZ(    RCA,C1);
double **Ab_free  =            i_Abr_Ac_bc_mZ(RCA,RCA,C2);
double  **b_free  =                      i_mZ(    RCA,C2);

  clrscrn();
  printf(" Copy/Past into the octave windows \n\n");
  p_Octave_mZ(A,"a",P9,P9);  
  printf(" format short e\n"
         " [V, E]  = eigs (a,%d)\n\n", RCA); 
  stop();
  
         zmul_mZ(i_Z(EValue[EV][C1],EValue[EV][C2]),Ide,zIde);  
          sub_mZ(sA,zIde,sAmnszIde);
      
     c_A_b_Ab_mZ(sAmnszIde,b,Ab); 

  GJ_PP_FreeV_mZ(Ab,Ab_free,b_free);
    
          c_c_mZ(b_free,C2,V,EV); 

    Normalize_mZ(V);
  
  clrscrn();  
  printf("     zIde : EV%d * Ide",EV);                 p_mZ(zIde, S9,P5, S8,P5, C4);  

  printf(" sAmnszIde : A - (EV%d*Ide)",EV);            p_mZ(sAmnszIde, S9,P5, S8,P5, C4); 
  stop();

  clrscrn();  
  printf("                 A        x  = b \n"
         "       Ab : [A-(EV%d*Ide)] V%d = 0 ",EV,EV); p_mZ(Ab, S9,P5, S8,P5, C4);  

  printf("  Ab_free : [A-(EV%d*Ide)] V%d = 0 ",EV,EV); p_mZ(Ab_free, S9,P5, S8,P5, C4);  
  stop();

  clrscrn();  
  printf("   b_free :");                               p_mZ(b_free, S9,P5, S8,P5, C4); 
        
  printf("      V%d : Copy V%d into the next file",EV,EV); P_mZ(V, S9,P9, S8,P9, C4); 
      
  stop();
              
  f_mZ(A);
  f_mZ(V);  
  f_mZ(EValue);
  
  f_mZ(Ide);
  f_mZ(zIde);
  f_mZ(sAmnszIde);
  
  f_mZ(sA);
  
  f_mZ(Ab);
  f_mZ(b);
  
  f_mZ(Ab_free);
  f_mZ(b_free);    
}
/* ------------------------------------ */
int main(void)
{
    fun();
    
  return 0;
}
/* ------------------------------------ */
/* ------------------------------------ */



Calculer le dernier vecteur propre



Exemple de sortie écran :

 Copy/Past into the octave windows 

 a=[
+1.329842932+0.000000000*i,-0.125654450-0.209424084*i,-0.041884817-0.376963351*i,-0.041884817+0.125654450*i;
-0.125654450+0.209424084*i,+1.910994764+0.000000000*i,-0.125654450-0.057591623*i,+0.031413613+0.036649215*i;
-0.041884817+0.376963351*i,-0.125654450+0.057591623*i,+1.785340314+0.000000000*i,+0.068062827+0.031413613*i;
-0.041884817-0.125654450*i,+0.031413613-0.036649215*i,+0.068062827-0.031413613*i,+1.973821990+0.000000000*i]

 format short e
 [V, E]  = eigs (a,4)

 Press return to continue. 


     zIde : EV4 * Ide
 +0.10000-0.00000i  +0.00000+0.00000i  +0.00000+0.00000i  +0.00000+0.00000i 
 +0.00000+0.00000i  +0.10000-0.00000i  +0.00000+0.00000i  +0.00000+0.00000i 
 +0.00000+0.00000i  +0.00000+0.00000i  +0.10000-0.00000i  +0.00000+0.00000i 
 +0.00000+0.00000i  +0.00000+0.00000i  +0.00000+0.00000i  +0.10000-0.00000i 

 sAmnszIde : A - (EV4*Ide)
 +0.03298+0.00000i  -0.01257-0.02094i  -0.00419-0.03770i  -0.00419+0.01257i 
 -0.01257+0.02094i  +0.09110+0.00000i  -0.01257-0.00576i  +0.00314+0.00366i 
 -0.00419+0.03770i  -0.01257+0.00576i  +0.07853+0.00000i  +0.00681+0.00314i 
 -0.00419-0.01257i  +0.00314-0.00366i  +0.00681-0.00314i  +0.09738+0.00000i 

 Press return to continue. 


                 A        x  = b 
       Ab : [A-(EV4*Ide)] V4 = 0 
 +1.00000+0.00000i  +0.18750+0.31250i  -0.22866-2.05793i  +0.06250-0.18750i 
 +0.00000+0.00000i  +1.00000-0.00000i  -0.58537-0.26829i  +0.00000+0.00000i 
 +0.00000+0.00000i  +0.00000+0.00000i  +1.00000-0.00000i  +2.60000+1.20000i 
 +0.00000-0.00000i  +0.00000+0.00000i  -0.00000+0.00000i  +0.00000-0.00000i 

 +0.00000-0.00000i 
 +0.00000+0.00000i 
 +0.00000+0.00000i 
 +0.00000+0.00000i 

  Ab_free : [A-(EV4*Ide)] V4 = 0 
 +1.00000+0.00000i  +0.00000+0.00000i  -0.00000-0.00000i  -0.00000+0.00000i 
 -0.00000+0.00000i  +1.00000+0.00000i  +0.00000+0.00000i  +0.00000+0.00000i 
 -0.00000+0.00000i  +0.00000+0.00000i  +1.00000+0.00000i  +0.00000+0.00000i 
 -0.00000-0.00000i  +0.00000+0.00000i  +0.00000+0.00000i  +1.00000-0.00000i 

 +0.00000+0.00000i  +1.60000-4.80000i 
 +0.00000+0.00000i  -1.20000-1.40000i 
 +0.00000+0.00000i  -2.60000-1.20000i 
 +0.00000+0.00000i  +1.00000+0.00000i 

 Press return to continue. 


   b_free :
 +0.00000+0.00000i  +1.60000-4.80000i 
 +0.00000+0.00000i  -1.20000-1.40000i 
 +0.00000+0.00000i  -2.60000-1.20000i 
 +0.00000+0.00000i  +1.00000+0.00000i 

      V4 : Copy V4 into the next file
     -nan,    -nan,      -nan,    -nan,      -nan,    -nan, +0.258873923,-0.776621761, 
     -nan,    -nan,      -nan,    -nan,      -nan,    -nan, -0.194155440,-0.226514681, 
     -nan,    -nan,      -nan,    -nan,      -nan,    -nan, -0.420670121,-0.194155442, 
     -nan,    -nan,      -nan,    -nan,      -nan,    -nan, +0.161796200,+0.000000000  

 Press return to continue.
Récupérée de « https://fr.wikibooks.org/w/index.php?title=Mathc_complexes/02p&oldid=733075 »