Esempio n. 1
0
        private 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);
        }
Esempio n. 2
0
        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);
        }