Mathc matrices/h23a

Application

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	c00a.c

/* ------------------------------------ */
/*  Save as :   c00a.c                  */
/* ------------------------------------ */
#include    "v_a.h"
#include "dot_au.h"
/* ------------------------------------ */
void fun(int r)
{
double a[R2*C2]={ 2,1,
                  1,1};
double u[R2*C1]={ 1,
                  1};
double v[R2*C1]={ 3,
                  2};                  
              
double **A = ca_A_mR(a,i_mR(R2,C2));
double **U = ca_A_mR(u,i_mR(R2,C1));
double **V = ca_A_mR(v,i_mR(R2,C1));

  clrscrn();
  printf(" A :");
  p_mR(A,S3,P0,C6);
  printf(" U :");
  p_mR(U,S3,P0,C6);
  printf(" V :");
  p_mR(V,S3,P0,C6);
 
  printf("    <U,V> = V^t A^t A U   \n");
  printf("    <U,V> = %.0f    \n", dot_Au_R(A,U,V));
  printf("    <V,U> = %.0f  \n\n", dot_Au_R(A,V,U));
  
  f_mR(A);
  f_mR(U);
  f_mR(V);
}
/* ------------------------------------ */
int main(void)
{
time_t t;

  srand(time(&t));

  fun(rp_I(R3)+R1);
  
  stop();

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

Exemple de sortie écran :

 ------------------------------------ 
 A :
 +2  +1 
 +1  +1 

 U :
 +1 
 +1 

 V :
 +3 
 +2 

    <U,V> = V^t A^t A U   
    <U,V> = 34    
    <V,U> = 34  

 Press return to continue.