411 REFERENCE · Wikibooks
Linear Algebra and the C Language/a0h8
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/* ------------------------------------ */
/* Save as : c00e.c */
/* ------------------------------------ */
#include "v_a.h"
/* ------------------------------------ */
#define RC RC6
/* ------------------------------------ */
int main(void)
{
/* Hankel Matrix
V
1
2
3
U 4 5 6 7
*/
double v[RC*C1]={ 0,
0,
0,
0,
3,
4};
double u[R1*RC]={ 4,5,0,0,0,0};
double **V = ca_A_mR(v,i_mR(RC,C1));
double **U = ca_A_mR(u,i_mR(R1,RC));
double **A = i_mR(RC,RC);
clrscrn();
rHankel_mR(U,V,A);
printf(" A: Tridiagonal matrix");
p_mR(A, S4,P0,C10);
stop();
f_mR(U);
f_mR(V);
f_mR(A);
return 0;
}
/* ------------------------------------ */
/* ------------------------------------ */
Screen output example:
A: Tridiagonal matrix
+0 +0 +0 +0 +3 +4
+0 +0 +0 +3 +4 +5
+0 +0 +3 +4 +5 +0
+0 +3 +4 +5 +0 +0
+3 +4 +5 +0 +0 +0
+4 +5 +0 +0 +0 +0
Press return to continue.