private void RunSimulation_Click(object sender, EventArgs e)
{
try
{
this.preyInitialParams = new InitialParameters();
this.predatorInitialParams = new InitialParameters();
this.predatorpreyModel = new PredatorPrey();
this.setInitialParameters();
//this.predatorpreyModel.StartModel();
this.SelectModelToRun();
this.preyResults = this.predatorpreyModel.PreyResults;
this.predatorResults = this.predatorpreyModel.PredatorResults;
this.populateGridViewWithSeriesData();
this.populateChartSeriesData();
MessageBox.Show("Simulation run is complete.", "Simulation complete", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
catch (Exception ex)
{
MessageBox.Show("Error", ex.Message, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private static void Main()
//****************************************************************************80
//
// Purpose:
//
// predator_prey_ode_test tests predator_prey_ode.
//
// Licensing:
//
// This code is distributed under the GNU LGPL license.
//
// Modified:
//
// 29 October 2020
//
// Author:
//
// John Burkardt
//
{
double alpha = 0;
double beta = 0;
double delta = 0;
double gamma = 0;
double[] p0 = new double[2];
double[] tspan = new double[2];
Console.WriteLine("");
Console.WriteLine("predator_prey_ode_test:");
Console.WriteLine(" Test predator_prey_ode using euler, midpoint.");
PredatorPrey.predator_prey_parameters(ref alpha, ref beta, ref gamma, ref delta);
Console.WriteLine("");
Console.WriteLine(" Parameters:");
Console.WriteLine(" alpha = " + alpha + "");
Console.WriteLine(" beta = " + beta + "");
Console.WriteLine(" gamma = " + gamma + "");
Console.WriteLine(" delta = " + delta + "");
tspan[0] = 0.0;
tspan[1] = 5.0;
p0[0] = 5000.0;
p0[1] = 100.0;
int n = 200;
PredatorPrey.predator_prey_euler(tspan, p0, n);
PredatorPrey.predator_prey_midpoint(tspan, p0, n);
Console.WriteLine("");
Console.WriteLine("predator_prey_ode_test:");
Console.WriteLine(" Normal end of execution.");
Console.WriteLine("");
}