public static void Main()
{
ShowMenu();
int option;
int.TryParse(Console.ReadLine(), out option);
while (option != 15)
{
if (option > 0 && option < 15)
{
Console.Clear();
if (option == 1)
{
Matrix test = new Matrix(new double[, ] {
{ 1, 2, -1, -7, -23 },
{ 8, 0, -9, -3, 39 },
{ 2, -3, 7, 1, -7 },
{ 1, -5, -6, -8, 30 }
});
test.Gaussian();
}
if (option == 2)
{
// ничего пока
}
if (option == 3)
{
Matrix test = new Matrix(new double[, ] {
{ 23, -6, -5, 9, 232 },
{ 8, 22, -2, 5, -82 },
{ 7, -6, 18, -1, 202 },
{ 3, 5, 5, -19, -57 }
});
test.ByIterations();
test.BySeidel();
}
if (option == 4)
{
Matrix test = new Matrix(new double[, ] {
{ 9, 2, -7 },
{ 2, -4, -1 },
{ -7, -1, 1 }
});
test.Rotations(0.05);
}
if (option == 5)
{
Function Func = (double x) => Math.Exp(x) - 2 * x - 2;
Function Der = (double x) => Math.Exp(x) - 2;
Function DerN = Math.Exp;
NonlinearEquation test = new NonlinearEquation(Func, Der, DerN);
Console.WriteLine("Метод простой итерации: {0:0.000}", test.Iterations(0.001, 0, 5));
Console.WriteLine(" Метод хорд: {0:0.000}", test.Chords(0.001, 0, 5));
Console.WriteLine(" Метод Ньютона: {0:0.000}", test.Tang(0.001, 0, 5));
test.DrawGraph();
}
if (option == 12)
{
FunctionOf2 Func = (double x, double y) => - y * Math.Tan(x) + Math.Sin(2 * x);
Function Solution = (double x) => - 2 * Math.Pow(Math.Cos(x), 2) + Math.Cos(x);
DifferentialEquation test = new DifferentialEquation(Func, Solution);
test.Euler(0, -1, 0, 2, 0.1, true);
test.EulerCauchy(0, -1, 0, 2, 0.1);
test.RungeKutta(0, -1, 0, 2, 0.1);
}
if (option == 14)
{
break;
}
}
else
{
Console.WriteLine("Некорректный номер");
}
ShowMenu();
Console.WriteLine("\nВведите номер следующего задания :");
int.TryParse(Console.ReadLine(), out option);
}
}
public DifferentialEquation(FunctionOf2 f, Function s = null)
{
Func = f;
Solution = s;
}