public void drawPlot(Chart chart1, double X0, double Y0, double UPPER_BOUND, int num_segments, int method)
{
List <Tuple <double, double> > ApproxSolutionPoints1 = new List <Tuple <double, double> >();
List <Tuple <double, double> > ApproxSolutionPoints2 = new List <Tuple <double, double> >();
List <Tuple <double, double> > ApproxSolutionPoints3 = new List <Tuple <double, double> >();
MyEquation equation = new MyEquation();
Euler euler = new Euler();
ImprovedEuler improved_euler = new ImprovedEuler();
RungeKutta runge_kutta = new RungeKutta();
if (method == 1)
{
ApproxSolutionPoints1 = max_error.getMaxError(X0, Y0, UPPER_BOUND, num_segments, 1);
for (int i = 0; i < num_segments; i++)
{
chart1.Series[0].Points.AddXY(ApproxSolutionPoints1.ElementAt(i).Item1, ApproxSolutionPoints1.ElementAt(i).Item2);
}
chart1.Series[0].IsVisibleInLegend = true;
chart1.Series[0].Name = "Euler's\nmethod";
}
else if (method == 2)
{
ApproxSolutionPoints1 = max_error.getMaxError(X0, Y0, UPPER_BOUND, num_segments, 2);
for (int i = 0; i < num_segments; i++)
{
chart1.Series[0].Points.AddXY(ApproxSolutionPoints1.ElementAt(i).Item1, ApproxSolutionPoints1.ElementAt(i).Item2);
}
chart1.Series[0].IsVisibleInLegend = true;
chart1.Series[0].Name = "Improved Euler's\nmethod";
}
else if (method == 3)
{
ApproxSolutionPoints1 = max_error.getMaxError(X0, Y0, UPPER_BOUND, num_segments, 3);
for (int i = 0; i < num_segments; i++)
{
chart1.Series[0].Points.AddXY(ApproxSolutionPoints1.ElementAt(i).Item1, ApproxSolutionPoints1.ElementAt(i).Item2);
}
chart1.Series[0].IsVisibleInLegend = true;
chart1.Series[0].Name = "Runge-Kutta\nmethod";
}
else
{
ApproxSolutionPoints1 = max_error.getMaxError(X0, Y0, UPPER_BOUND, num_segments, 1);
ApproxSolutionPoints2 = max_error.getMaxError(X0, Y0, UPPER_BOUND, num_segments, 2);
ApproxSolutionPoints3 = max_error.getMaxError(X0, Y0, UPPER_BOUND, num_segments, 3);
for (int i = 0; i < num_segments; i++)
{
chart1.Series[0].Points.AddXY(ApproxSolutionPoints1.ElementAt(i).Item1, ApproxSolutionPoints1.ElementAt(i).Item2);
}
for (int i = 0; i < num_segments; i++)
{
chart1.Series[1].Points.AddXY(ApproxSolutionPoints2.ElementAt(i).Item1, ApproxSolutionPoints2.ElementAt(i).Item2);
}
for (int i = 0; i < num_segments; i++)
{
chart1.Series[2].Points.AddXY(ApproxSolutionPoints3.ElementAt(i).Item1, ApproxSolutionPoints3.ElementAt(i).Item2);
}
chart1.Series[0].IsVisibleInLegend = true;
chart1.Series[1].IsVisibleInLegend = true;
chart1.Series[2].IsVisibleInLegend = true;
chart1.Series[0].Name = "Euler's\nmethod";
chart1.Series[1].Name = "Improved Euler's\nmethod";
chart1.Series[2].Name = "Runge-Kutta\nmethod";
}
// Design of charts
chart1.ChartAreas[0].AxisX.LabelStyle.Format = "0.00";
chart1.ChartAreas[0].AxisX.MajorGrid.LineColor = Color.LightGray;
chart1.ChartAreas[0].AxisY.MajorGrid.LineColor = Color.LightGray;
}