public static void BaseCode()
{
double eps = 1.0E-12;
StreamWriter sw = new StreamWriter("MAC_LabWork_1_5.txt");
MyTF T_Fx = new MyTF(0.0, 15.0, 500, Fx, "Fx");
T_Fx.Roots_correction(eps);
sw.Write(T_Fx.Table_of_Roots("- Dichotomy -"));
int K, M = T_Fx.Roots.Count; double xa, xb, xr = double.NaN;
sw.WriteLine("\r\n Table of zeros, that counted by shema (1.5.1):");
for (int j = 0; j < M; j++)
{
xa = T_Fx.Roots[j].XL; xb = T_Fx.Roots[j].XR;
xr = Eq.Tangent(Fx, D1F, D2F, xa, xb, eps, out K);
sw.WriteLine($"{j,3}{xr,17:F12}{Math.Abs(Fx(xr)),10:E1}{K,3}");
}
sw.WriteLine("\r\n Table of zeros, that counted by shema (1.5.2):");
for (int j = 0; j < M; j++)
{
xa = T_Fx.Roots[j].XL; xb = T_Fx.Roots[j].XR;
xr = Eq.Tangent(Fx, xa, xb, eps, out K);
sw.WriteLine($"{j,3}{xr,17:F12}{Math.Abs(Fx(xr)),10:E1}{K,3}");
}
sw.Close();
}
static void Test_LW_14_1()
{
int k = 0;
double root = CLE.Dichotomy(0.3, 0.6, 1.0E-12, Cos_pi_x, ref k);
string res = $"x = {root,18:F15} err = {Cos_pi_x(root),7:E1} K = {k}";
Console.WriteLine(res);
Console.WriteLine(res);
}
public static void HomeCode(double x0, double xn, int n)
{
double eps = 1.0E-12;
StreamWriter sw = new StreamWriter("MAC_LabWork_1_5_home.txt");
MyTF T_Fx = new MyTF(x0, xn, n, My_Fx, "Fx");
T_Fx.Roots_correction(eps);
int K, M = T_Fx.Roots.Count; double xa, xb, xr = double.NaN;
sw.WriteLine("\r\n Table of zeros, that counted by shema (1.5.1):");
for (int j = 0; j < M; j++)
{
xa = T_Fx.Roots[j].XL; xb = T_Fx.Roots[j].XR;
xr = Eq.Tangent(My_Fx, My_D1F, My_D2F, xa, xb, eps, out K);
sw.WriteLine($"{j,3}{xr,17:F10}{Math.Abs(Fx(xr)),10:E1}{K,3}{My_D1F(xr),17:F10}{My_D2F(xr),17:F10}");
}
sw.Close();
}
