public static void Eigenvector(double[,] A, double[] l, int n, double[,] E, double[] b)
        {
            double[,] L = new double[n, n];
            double[,] U = new double[n, n];
            double[,] At = new double[n, n];
            double[,] Et = new double[n, n];
            double temp = 0;
            int count = 0;
            double[] y = new double[A.GetLength(0)];
            for (int i = 0; i < l.Length; i++)
            {
                deleteArray(y);
                for (int k = 0; k < 25; k++)
                {
                    copyMtx(A, At);
                    copyMtx(E, Et);
                    MultyMtxOnValue(Et, l[i]);
                    At = SubtractionMtx(At, Et);
                    copyMtx(At, U);
                    LUpartition(n, L, U);
                    y = LUSolving(L, U, b);
                    temp = Temp(b, y);
                    for (int j = 0; j < b.Length; j++)
                    {
                        b[j] = y[j] / norma(y);
                    }
                    l[i] = l[i] + temp;

                    deleteMtx(At);
                    deleteMtx(Et);
                }
                count++;
                Console.WriteLine("Для собственного значения l{0} = {1}\n\nСобственный вектор X{0} равен\nX{0} = ", count, l[i]);
                for (int t = 0; t < y.Length; t++)
                    Console.Write("{0:f4} ", b[t]);
                Console.WriteLine("\n------------------------------------------\n");

            }
            
        }