411 REFERENCE · Wikibooks
Linear Algebra and the C Language/a006
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/* ------------------------------------ */
/* Save as : c00c.c */
/* ------------------------------------ */
#include "v_a.h"
/* ------------------------------------ */
void fun(int r)
{
double **A = r_mR( i_mR(r,r),9.);
double **Aadjoint = adjoint_mR(A, i_mR(r,r) );
clrscrn();
printf(" A :");
p_mR(A,S3,P0,C6);
printf(" adjoint(A) :");
p_mR(Aadjoint,S6,P0,C6);
printf(" det(adjoint(A)) = %+.0f\n", det_R(Aadjoint) );
printf(" det(A)**(r-R1) = %+.0f\n", pow(det_R(A), (r-R1)));
f_mR(A);
f_mR(Aadjoint);
}
/* ------------------------------------ */
int main(void)
{
time_t t;
srand(time(&t));
do
{
fun(rp_I(RC4)+C1);
} while(stop_w());
return 0;
}
/* ------------------------------------ */
/* ------------------------------------ */
Screen output example:
A :
+3 -2 -6
+4 -9 +7
+7 +7 +7
adjoint(A) :
-112 -28 -68
+21 +63 -45
+91 -35 -19
det(adjoint(A)) = +853776
det(A)**(r-R1) = +853776
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