private static int[] Solve(SubMatrix matrix)
{
int det = matrix.Det();
if (det == 0)
{
throw new ArgumentException("Ответ: Определитель равен 0");
}
int[] answer = new int[matrix.Size];
for (int i = 0; i < matrix.Size; i++)
{
matrix.ColumnIndex = i;
answer[i] = matrix.Det() / det;
}
return(answer);
}
public int Det()
{
if (Size == 1)
{
return(this[0, 0]);
}
if (Size == 2)
{
return(this[0, 0] * this[1, 1] - this[0, 1] * this[1, 0]);
}
SubMatrix m = new SubMatrix(this);
int det = 0;
int sign = 1;
for (int c = 0; c < Size; c++)
{
m.ColumnIndex = c;
int d = m.Det();
det += this[0, c] * d * sign;
sign = -sign;
}
return(det);
}
