?? 6.11 gsdl0.c
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#include "stdio.h"
#include "6gsdl.c"
main()
{ int i;
double eps;
static double a[4][4]={ {7.0,2.0,1.0,-2.0},{9.0,15.0,3.0,-2.0},
{-2.0,-2.0,11.0,5.0},{1.0,3.0,2.0,13.0}};
static double x[5],b[4]={4.0,7.0,-1.0,0.0};
eps=0.000001;
if (gsdl(a,b,4,x,eps)>0)
for (i=0;i<=3; i++)
printf("x(%d)=%13.7e\n",i,x[i]);
}
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