Mathc complexes/c082c
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cof_z.c |
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/* ------------------------------------ */
/* Save as : cof_z.c */
/* ------------------------------------ */
#include "w_a.h"
/* ------------------------------------ */
void fun(int r)
{
double **A = r_mZ(i_mZ(r,r),9.);
int minor_r = rp_I(r);
int minor_c = rp_I(r);
clrscrn();
printf(" A :");
p_mZ(A, S5,P0, S4,P0, C6);
printf(" cofactor(R%d,C%d) = ", minor_r, minor_c);
minor_c = minor_c*C2-C1;
/* col*C2 : a number has two columns */
/* -C1 : The real part of the number */
p_Z(cofactor_Z(A,minor_r,minor_c), S5,P0, S5,P0);printf("\n\n");
f_mZ(A);
}
/* ------------------------------------ */
int main(void)
{
time_t t;
srand(time(&t));
do
{
fun(rp_I(RC4)+RC2);
} while(stop_w());
return 0;
}
/* ------------------------------------ */
/* ------------------------------------ */
On calcul un cofacteur. Exemple de sortie écran :
A :
-7 -1i +2 +6i +6 -1i +4 -5i
+4 +2i +8 -1i -5 +8i +2 -3i
+6 -5i -1 -5i -3 -3i -9 +2i
-9 -3i +8 +4i -3 +8i -5 -9i
cofactor(R4,C1) = -406 -57i
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