GA1: Example usage

gistfile1.cs

public static void Main()
{
    //  Crossover       = 80%
	//  Mutation        =  5%
	//  Population size = 100
	//  Generations     = 2000
	//  Genome size     = 2
	GA ga = new GA(0.8, 0.05, 100, 2000, 2);
	ga.FitnessFunction = FitnessFunction;
	ga.Elitism = true;
	ga.Go();
		
	double[] values;
	double fitness;
		
	ga.GetBest(out values, out fitness);
	System.Console.WriteLine("Best ({0}):", fitness);
		
	for (int i = 0; i < values.Length; i++)
		System.Console.WriteLine("{0} ", values[i]);
		
	ga.GetWorst(out values, out fitness);
	System.Console.WriteLine("\nWorst ({0}):", fitness);
		
	for (int i = 0; i < values.Length; i++)
		System.Console.WriteLine("{0} ", values[i]);
		
	Console.Read();
}

//  optimal solution for this is (0.5,0.5)
public static double FitnessFunction(double[] values)
{
	if (values.GetLength(0) != 2)
		throw new ArgumentOutOfRangeException("should only have 2 args");
		
	double x = values[0];
	double y = values[1];
	double n = 9;  //  should be an int, but I don't want to waste time casting.
	double f1 = Math.Pow(15 * x * y * (1 - x) * (1 - y) * Math.Sin(n * Math.PI * x) * Math.Sin(n * Math.PI * y), 2);
		
	return f1;
}