411 REFERENCE · Wikibooks
Linear Algebra and the C Language/a0fu
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
__NOTOC__
Install and compile this file in your working directory.
/* ------------------------------------ */
/* Save as : c00c.c */
/* ------------------------------------ */
#include "v_a.h"
/* ------------------------------------ */
/* ------------------------------------ */
#define ARRAY A2
/* ------------------------------------ */
#define RA R5
#define CA C1
#define CB C2
/* ------------------------------------ */
/* ------------------------------------ */
void fun(void)
{
double **A[ARRAY];
double **B = i_mR(RA,CB);
int i;
double s = 2;
for(i=A0; i<ARRAY; i++)
A[i] = r_mR(i_mR(RA,CA),99);
clrscrn();
smul_mR(s,A[A0],A[A1]);
for(i=C0; i<ARRAY; i++)
c_c_mR(A[i],C1, B,i+C1);
printf(" Multiply a vector by a scalar:\n\n");
printf(" %.0f A[0] = A[1] ",s);
p_mR(B, S8,P0,C10);
for(i=A0; i<ARRAY; i++)
f_mR(A[i]);
f_mR(B);
}
/* ------------------------------------ */
int main(void)
{
time_t t;
srand(time(&t));
do
{
fun();
} while(stop_w());
return 0;
}
/* ------------------------------------ */
/* ------------------------------------ */
Multiply a vector by a scalar:
Screen output example:
Multiply a vector by a scalar:
2 A[0] = A[1]
+63 +126
-55 -110
+81 +162
+76 +152
-29 -58
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