Linear Algebra and the C Language/a0f6

Install and compile this file in your working directory.

/* ------------------------------------ */
/*  Save as :   c00a.c                  */
/* ------------------------------------ */
#include      "v_a.h"
/* ------------------------------------ */
/* ------------------------------------ */
double  **X_ca_A_mR(
double  a[],
double  **A
)
{
int r;
int c;
int i=0;

 	for    (r=R1; r<A[R_SIZE][C0]; r++)
 	   for (c=C1; c<A[C_SIZE][C0]; c++)

            A[r][c] = a[i++];
            
return(A);
}
/* ------------------------------------ */
/* ------------------------------------ */
int main(void)
{
double a[R2*C3]={ 1,2,3,
                  4,5,6};
              
double **A = ca_A_mR(a,i_mR(R2,C3));

  clrscrn();
  
  printf(" A : double **A = ca_A_mR(a,i_mR(R2,C3)); ");
  p_mR(A, S5,P0,C6);
  
  stop();
  
  f_mR(A);  

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

Copy an array of numbers into a matrix:

Screen output example:

                                                                                       
 A : double **A = ca_A_mR(a,i_mR(R2,C3)); 
   +1    +2    +3 
   +4    +5    +6 

 Press return to continue.