Mathc matrices/c23s

Application

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	c00a.c

/* ------------------------------------ */
/*  Save as :   c00b.c                  */
/* ------------------------------------ */
#include "v_a.h"
/* ------------------------------------ */
#define C_FREE     C3
#define S_VALUE    4.
/* ------------------------------------ */
int main(void)
{
double ab[R4*C7]={
    +1,      3,     -2,      0,    +2,    +0,    0,
    +2,      6,     -5,     -2,    +4,    -3,    0,
     0,      0,     +5,     10,     0,    15,    0, 
     2,      6,      0,      8,     4,    18,    0,  
};

double **Ab = ca_A_mR(ab,i_Abr_Ac_bc_mR(R4,C6,C1));
double **A  = c_Ab_A_mR(Ab,i_mR(R4,C6));
double **b  = c_Ab_b_mR(Ab,i_mR(R4,C1));

double **Ab_free = i_Abr_Ac_bc_mR(csize_A_R(Ab),csize_A_R(Ab),C1+C3);

double **b_free  = i_mR(rsize_R(Ab_free),csize_b_R(Ab_free)); 

double **cFree        = i_mR(R6,C1);
double **s_cFree   = i_mR(R6,C1);
double **A_s_cFree = i_mR(rsize_R(A),csize_R(s_cFree)) ;


int r;

  clrscrn();
  printf(" Verify if the scalar multiplication of a column of b_free\n"
         " is orthogonal to A :\n\n");
  printf(" A :");
  p_mR(A,S6,P1,C10);
  printf(" b :");
  p_mR(b,S6,P1,C10);
  printf(" Ab :");
  p_mR(Ab,S6,P1,C10);
  stop();

  gj_PP_mR(Ab,NO);  
  
  put_zeroR_mR(Ab,Ab_free);   
  put_freeV_mR(Ab_free);
  
  r = rsize_R(Ab_free);
  while(r>R1)    
        zero_below_pivot_gj1Ab_mR(Ab_free,r--);
        

  clrscrn();
  c_Ab_b_mR(Ab_free,b_free);
  printf(" b_free :"); 
  p_mR(b_free,S10,P3,C7);
  c_c_mR(b_free,C_FREE,cFree,C1);
  printf(" %.2f * C%d :",S_VALUE,C_FREE);  
  p_mR(smul_mR(S_VALUE,cFree,s_cFree),S10,P3,C7);
  printf(" A * (%.2f*C%d) :",S_VALUE,C_FREE);     
  p_mR(mul_mR(A,s_cFree,A_s_cFree),S10,P3,C7);
  stop();	
  
  f_mR(Ab);
  f_mR(Ab_free);
  f_mR(b_free);
  f_mR(b);
  f_mR(A);

  f_mR(cFree); 
  f_mR(s_cFree);
  f_mR(A_s_cFree);
  
  return 0;
}
/* ------------------------------------ */
/* ------------------------------------ */

J'ai éliminé tous les affichages intermédiaire. On peut sélectionner la colonne de travail et la valeur du scalaire dans le code ci-dessous.

#define C_FREE     C3
#define S_VALUE    4.

Exemple de sortie écran :

 ------------------------------------ 
 Verify if the scalar multiplication of a column of b_free
 is orthogonal to A :

 A :
  +1.0   +3.0   -2.0   +0.0   +2.0   +0.0 
  +2.0   +6.0   -5.0   -2.0   +4.0   -3.0 
  +0.0   +0.0   +5.0  +10.0   +0.0  +15.0 
  +2.0   +6.0   +0.0   +8.0   +4.0  +18.0 

 b :
  +0.0 
  +0.0 
  +0.0 
  +0.0 

 Ab :
  +1.0   +3.0   -2.0   +0.0   +2.0   +0.0   +0.0 
  +2.0   +6.0   -5.0   -2.0   +4.0   -3.0   +0.0 
  +0.0   +0.0   +5.0  +10.0   +0.0  +15.0   +0.0 
  +2.0   +6.0   +0.0   +8.0   +4.0  +18.0   +0.0 

 Press return to continue. 


 ------------------------------------ 
 b_free :
    +0.000     -3.000     -4.000     -2.000 
    +0.000     +1.000     +0.000     +0.000 
    +0.000     +0.000     -2.000     +0.000 
    +0.000     +0.000     +1.000     +0.000 
    +0.000     +0.000     +0.000     +1.000 
    +0.000     +0.000     +0.000     +0.000 

 4.00 * C3 :
   -16.000 
    +0.000 
    -8.000 
    +4.000 
    +0.000 
    +0.000 

 A * (4.00*C3) :
    +0.000 
    +0.000 
    +0.000 
    +0.000 

 Press return to continue.