Linear Algebra and the C Language/a05g


Install and compile this file in your working directory. 

/* ------------------------------------ */
/*  Save as :   cofm_r.c                */
/* ------------------------------------ */
#include "v_a.h"
/* ------------------------------------ */
void fun(int r)
{
double **A        =        r_mR(   i_mR(r,r),9.);
double **Cofactor = cofactor_mR(A, i_mR(r,r));

  clrscrn();
  printf(" A:");
  p_mR(A, S5,P0,C6);

  printf(" Cofactor:");
  p_mR(Cofactor, S8,P0,C6);

  f_mR(A);
  f_mR(Cofactor);
}
/* ------------------------------------ */
int main(void)
{
time_t t;

  srand(time(&t));
do
{
  fun(rp_I(RC5)+RC1);

} while(stop_w());

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

Screen output example: 

 A :

   -5    +6    -9 
   -1    -4    +6 
   +1    -9    +6 

 Cofactor :

     +30      +12      +13 
     +45      -21      -39 
      +0      +39      +26 


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