static void runLab2() { LU_Decomposition lU = new LU_Decomposition(); double[] gammas = new double[] { 1, 4, 1, 4, 2, 7 }; double[] alphas = new double[] { 2, -2, -1, 7, -5, -3, -3 }; double[] betas = new double[] { 0.5, 6, 3, 2, 1, 2 }; double[] b = new double[] { 8, 6, 3, -2, 4, 7, -0.5 }; var resLU = lU.calculate_LU(gammas, alphas, betas, b); for (int i = 0; i < resLU.Length; i++) { Console.WriteLine("X" + i + ":" + resLU[i]); } for (int i = 0; i < resLU.Length; i++) { if (i == 0) { Console.WriteLine("Check of equation Num" + i + "\t:" + (double)(alphas[i] * resLU[i] + gammas[i] * resLU[i + 1])); } else if (i == resLU.Length - 1) { Console.WriteLine("Check of equation Num" + i + "\t:" + (double)(alphas[i] * resLU[i] + betas[i - 1] * resLU[i - 1])); } else { Console.WriteLine("Check of equation Num" + i + "\t:" + (double)(betas[i - 1] * resLU[i - 1] + alphas[i] * resLU[i] + gammas[i] * resLU[i + 1])); } } }
static void Main(string[] args) { //Create method LU_Decomposition decomposition = new LU_Decomposition(); //Create source string source = "Matrix.txt"; int from = 0; double[] vector; byte key = 99; while (key != 0) { Console.Clear(); Console.WriteLine("Choose point of menu"); Console.WriteLine("1. Write data"); if (from != 0) { Console.WriteLine("2. Output determination"); } Console.WriteLine("3. Output README"); Console.WriteLine("4. Exit"); Console.Write("Your number: "); key = Byte.Parse(Console.ReadLine()); switch (key) { case 1: { Console.WriteLine("What kind of source(file (1) or hand-create values (2))\n" + "Your number: "); int fl = Convert.ToInt32(Console.ReadLine()); switch (fl) { case 1: { from = 1; } break; case 2: { from = 2; } break; } } break; case 2: { if (from != 0) { Console.WriteLine("Your output is"); decomposition.ClcltLU_Dcmp(source, from, out vector); foreach (double x in vector) { Console.Write(Math.Round(x, 5) + " "); } Console.ReadKey(); } } break; case 3: { Console.Clear(); Console.Write("Program for design SLAE"); } break; case 4: { key = 0; } break; } } }