static double[] Gauss(Eq equat) { double[,] m = new double[equat.n, equat.n]; for (int i = 0; i < equat.n; i++) { for (int j = 0; j < equat.n; j++) { m[i, j] = equat.matr[i, j]; } } double d = Eq.Det(m); if (d != 0) { equat.Diag(); for (int i = equat.n - 1; i >= 0; i--) { double sum = 0; for (int j = equat.n - 1; j > i; j--) { sum += equat.x[j] * equat.matr[i, j]; } equat.x[i] = (equat.b[i] - sum) / equat.matr[i, i]; } } return(equat.x); }
public static double Det(double[,] ma) { double det = 1; double[] b = new double[(int)Math.Sqrt(ma.Length)]; Eq q = new Eq(ma, b); q.Diag(); for (int i = 0; i < q.n; i++) { det *= q.matr[i, i]; } return(det); }