411 REFERENCE · Wikibooks
Linear Algebra and the C Language/a031
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__NOTOC__
Install and compile this file in your working directory.
/* ------------------------------------ */
/* Save as : c00b.c */
/* ------------------------------------ */
#include "v_a.h"
/* ------------------------------------ */
int main(void)
{
double u_T[R1*C3] = { 4, 2, 5};
double v_T[R1*C3] = { 3, 4, 1};
double **U_T = ca_A_mR(u_T , i_mR(R1,C3));
double **V_T = ca_A_mR(v_T , i_mR(R1,C3));
double **UxV = UxV_mR(U_T,V_T, i_mR(R1,C3));
clrscrn();
printf(" u_T:");
p_mR(U_T, S4, P0, C6);
printf(" v_T:");
p_mR(V_T, S4, P0, C6);
printf("\n\n"
" u x v : With UxV_mR();");
p_mR(UxV, S5, P0, C6);
stop();
f_mR(U_T);
f_mR(V_T);
f_mR(UxV);
return 0;
}
/* ------------------------------------ */
/* ------------------------------------ */
Vectors in mathematics are assumed to be column vectors, which is why I use _T (Transpose) to display row vectors.
Screen output example:
u_T:
+4 +2 +5
v_T:
+3 +4 +1
u x v : With UxV_mR();
-18 +11 +10
Press return to continue.