Mathc matrices/cq051
Apparence
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cq1.c |
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/* ------------------------------------ */
/* Save as : cq1.c */
/* ------------------------------------ */
#include "v_a.h"
/* ------------------------------------ */
void fun(int r)
{
double **Q = r_Q_mR(i_mR(r,r), 9);
clrscrn();
printf(" Q : An orthonormal matrix\n\n"
" det(Q) = 1 or -1\n\n");
p_mR(Q,S3,P3,C6);
printf(" det(Q) = %.0f\n\n",det_R(Q));
f_mR(Q);
}
/* ------------------------------------ */
int main(void)
{
time_t t;
srand(time(&t));
do
{
fun(rp_I(R3)+R2);
} while(stop_w());
return 0;
}
/* ------------------------------------ */
/* ------------------------------------ */
La création de matrices aléatoires orthogonales : r_Q_mR(U,Q);
Exemple de sortie écran :
Q : An orthogonal matrix (orthonormal !!)
det(Q) = 1 or -1
+0.150 +0.082 +0.870 -0.449 +0.108
+0.600 +0.329 -0.153 +0.133 +0.701
-0.375 +0.373 -0.375 -0.734 +0.203
-0.525 -0.481 +0.127 +0.145 +0.675
-0.450 +0.717 +0.250 +0.469 +0.013
det(Q) = -1
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