2nd_Sem_Bogachev/2025.03.21/03Ex/solve.c
2025-03-16 19:42:55 +03:00

28 lines
472 B
C

#include "solve.h"
#include <math.h>
#define eps 1e-17
int t3_solve(double *a, int m, int n)
{
int min_j = 0;
double minimum = -1;
for (int j = 0; j < n; j++)
{
double cur = 0;
for (int i = 0; i < m; i++)
cur += fabs(a[i*n + j]);
if ((minimum - cur) > eps || j == 0) { minimum = cur; min_j = j; }
}
for (int l = min_j+1, del_j = 1; l < m*n; l++)
{
if (l == ((n * del_j) + min_j))
del_j++;
else
a[l - del_j] = a[l];
}
return min_j + 1;
}