1. Список говнокодов пользователя mr07th

    Всего: 1

  2. C# / Говнокод #16001

    +123

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    namespace Рунге_Кутты_1._4
{
    public partial class Form1 : Form
    {
        double x0 = 1, y0 = 2, z0 = 4, t0 = 0, T = 1, h = 0.001, Eps = 0.000001, fx, fy, fz, xx, yy, zz, Ex, Ey, Ez, Eps1;
        double[] x = new double[4]; double[] y = new double[4]; double[] z = new double[4];
        double[] Kx = new double[4]; double[] Ky = new double[4]; double[] Kz = new double[4];
        bool a;
        public void Calculates()
        {
            System.IO.File.Delete(@"C:\Results\results.dat");
            x[0] = x0; y[0] = y0; z[0] = z0;
            while (t0 <= T)
            {
                for (int i = 0; i <= 3; i++)
                {
                    fx = -y[i] - z[i];
                    fy = x[i] + 0.2 * y[i];
                    fz = 0.2 + (x[i] - 5.7) * z[i];
                    Kx[i] = h * fx;
                    Ky[i] = h * fy;
                    Kz[i] = h * fz;
                    x[1] = x[0] + 0.5 * Kx[0];
                    x[2] = x[0] + 0.5 * Kx[1];
                    x[3] = x[0] + Kx[2];
                    y[1] = y[0] + 0.5 * Ky[0];
                    y[2] = y[0] + 0.5 * Ky[1];
                    y[3] = y[0] + Ky[2];
                    z[1] = z[0] + 0.5 * Kz[0];
                    z[2] = z[0] + 0.5 * Kz[1];
                    z[3] = z[0] + Kz[2];
                }
                Ex = Math.Abs(2 * (Kx[0] - Kx[1] - Kx[2] + Kx[3]) / 3);
                Ey = Math.Abs(2 * (Ky[0] - Ky[1] - Ky[2] + Ky[3]) / 3);
                Ez = Math.Abs(2 * (Kz[0] - Kz[1] - Kz[2] + Kz[3]) / 3);
                Eps1 = Eps / 8;
                a = Check();
                if (a == false)
                {
                    xx = x[0] + (Kx[0] + 2 * Kx[1] + 2 * Kx[2] + Kx[3]) / 6;
                    yy = y[0] + (Ky[0] + 2 * Ky[1] + 2 * Ky[2] + Ky[3]) / 6;
                    zz = z[0] + (Kz[0] + 2 * Kz[1] + 2 * Kz[2] + Kz[3]) / 6;
                    x[0] = xx;
                    y[0] = yy;
                    z[0] = zz;
                    t0 += h;
                    string f1 = Convert.ToString(xx);
                    string f2 = Convert.ToString(yy);
                    string f3 = Convert.ToString(zz);
                    string[] f = new string[] { f1, f2, f3 };
                    string path = @"C:\Results\results.dat";
                    string appendtext = xx + " " + yy + " " + zz + Environment.NewLine;
                    System.IO.File.AppendAllText(path, appendtext);
                }
            }
        }
        public bool Check()
        {
            bool a;
            if (Ex > Eps | Ey > Eps | Ez > Eps)
            {
                a = true;
                h /= 2;
                Calculates();
            }
            else a = false;
            return a;
        }
        public Form1()
        {
            InitializeComponent();
            Calculates();
            DrawGraph();
        }
        public void DrawGraph()
        {
                GraphPane pane = zedGraph.GraphPane;
                pane.CurveList.Clear();
                PointPairList list = new PointPairList();
                for (t0 = 0; t0 <= T; t0 += h)
                {
                    list.Add(t0, x[0]);
                }
                LineItem MyCurve = pane.AddCurve("x(t)", list, Color.Blue, SymbolType.None);
                zedGraph.AxisChange();
                zedGraph.Invalidate();
        }
    }
}

    пытаюсь вывести решения в виде графика. выводится только последнее решение из цикла

    mr07th, 16 Мая 2014

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