411 REFERENCE · Wikibooks
Linear Algebra and the C Language/a0ex
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__NOTOC__
Install and compile this file in your working directory.
/* ------------------------------------ */
/* Save as : c00a.c */
/* ------------------------------------ */
#include "v_a.h"
/* ------------------------------------ */
void fun(int r)
{
double **A = r_mR(i_mR(r,r),9999.);
clrscrn();
printf(" Standard notation.\n\n"
" Copy/Paste into the octave window.\n\n");
p_Octave_mR(A,"A",P0);
printf("format short e\n"
"inv(A)\n");
f_mR(A);
}
/* ------------------------------------ */
int main(void)
{
time_t t;
srand(time(&t));
do
{
fun(rp_I(RC5)+C1);
} while(stop_w());
return 0;
}
/* ------------------------------------ */
/* ------------------------------------ */
Screen output example:
Standard notation.
Copy/Paste into the octave window.
A=[
-570,+8349,-7490,+1845;
+1948,+1222,-8851,+1716;
+6919,+4958,-7616,+1618;
+9146,+6233,-717,+7952]
format short e
inv(A)
Press return to continue
Press X return to stop