Linear Algebra and the C Language/a05b
Install and compile this file in your working directory.
/* ------------------------------------ */
/* Save as : c00a.c */
/* ------------------------------------ */
#include "v_a.h"
/* ------------------------------------ */
#define RA R3
#define CA C3
/* ------------------------------------ */
int main(void)
{
int minor_r = R1;
int minor_c = C1;
double a[RA*CA] ={ 4,2,3,
5,3,1,
8,2,2};
double **A = ca_A_mR(a, i_mR(RA, CA ));
double **Minor = minor_mR(A, i_mR(RA-C1,CA-C1),minor_r,minor_c);
clrscrn();
printf(" A:");
p_mR(A, S5,P0,C6);
printf(" Minor(R%d,C%d) %.4e \n\n\n",
minor_r,
minor_c,
minor_R(A,minor_r, minor_c));
printf(" Copy/Paste into the octave window.\n\n");
p_Octave_mR(Minor,"Minor",P0);
printf(" det(Minor)\n\n\n");
stop();
f_mR(A);
f_mR(Minor);
return 0;
}
/* ------------------------------------ */
/* ------------------------------------ */
Screen output example:
A :
+4 +2 +3
+5 +3 +1
+8 +2 +2
Minor(R1,C1) 4.0000e+00
Copy/Paste into the octave window.
Minor=[
+3,+1;
+2,+2]
det(Minor)
Press return to continue.