public void TwoDim_EvaluatesCorrectValues(double[] values)
{
var evaluator = new Rastrigin(2);
var ds = evaluator.GetGlobalOptimum().GetDecisionSpace();
var result = evaluator.Evaluate(DecisionVector.CreateFromArray(ds, new[] { values[0], values[1] }));
Assert.True(Math.Abs(values[2] - result.ElementAt(0)) < 0.001);
}
public void Evaluate()
{
Rastrigin function = new Rastrigin();
Vector v1 = new Vector(new double[] { Math.PI / 2, Math.PI / 2 });
Vector v2 = new Vector(new double[] { 0, 0 });
Assert.AreEqual(42.9885094392, function.Evaluate(v1), 0.0000000001);
Assert.AreEqual(0, function.Evaluate(v2));
}
private void button1_Click(object sender, EventArgs e)
{
Global maple = new Global();
CCantileverBeam balka = new CCantileverBeam("balka1.mdl", 4.0, 120, 0.005);
SUMSQR test = new SUMSQR(100);
Rastrigin rst = new Rastrigin(3);
SineRoot sr = new SineRoot(5);
algopt = new CEndeavour(test);
algopt.RandomScanAllowed = true;
algopt.AllowReport = true;
algopt.AllowASPPMode = true;
algopt.StepChance = 0.025;
algform = new EVF(algopt);
// algform.CloseFormAfterFinish();
algform.Start();
}
public static void ObliczIndiwFitness(Particle ind)
{
switch (FunctionName.type)
{
case FunctionName.Type.Schwefel:
Schwefel.setFitness(ind);
break;
case FunctionName.Type.DeJong1:
DeJong1.setFitness(ind);
break;
case FunctionName.Type.Rastrigin:
Rastrigin.setFitness(ind);
break;
case FunctionName.Type.Rosenbrock:
Rosenbrock.setFitness(ind);
break;
}
}
internal void ObliczPopulFitness(FunctionName.Type type)
{
for (int j = 0; j < population.Count; j++)
{
switch (type)
{
case FunctionName.Type.DeJong1:
DeJong1.setFitness(population[j]);
break;
case FunctionName.Type.Schwefel:
Schwefel.setFitness(population[j]);
break;
case FunctionName.Type.Rastrigin:
Rastrigin.setFitness(population[j]);
break;
case FunctionName.Type.Rosenbrock:
Rosenbrock.setFitness(population[j]);
break;
}
}
}
public static void Main(string[] args)
{
var param = new Parametrii();
param.W = 0.729;
param.C1 = 1.49445;
param.C2 = 1.49445;
param.DimensiuneProblema = 3;
// Rastrigin
// param.Max = 5.12;
// param.Min = -5.12;
// Ackley
// param.Min = -32.768;
// param.Max = 32.768;
// nGriewank
param.Min = -600;
param.Max = 600;
param.NumarIteratii = 1000;
param.NumarParticule = 50;
param.VitezaMaxima = 1;
ProblemaDeBaza p = new Rastrigin();
var rez = p.Rezolva(param);
Console.WriteLine("Cost: " + rez.Cost);
foreach (var weight in rez.Pozitie)
{
Console.Write(weight + " ");
}
Console.WriteLine("\nRosenbrock");
p = new Rosenbrock();
rez = p.Rezolva(param);
Console.WriteLine("Cost: " + rez.Cost);
foreach (var weight in rez.Pozitie)
{
Console.Write(weight + " ");
}
Console.WriteLine("\nAckley");
p = new Ackley();
rez = p.Rezolva(param);
Console.WriteLine("Cost: " + rez.Cost);
foreach (var weight in rez.Pozitie)
{
Console.Write(weight + " ");
}
Console.WriteLine("\nGriewank");
p = new Griewank();
rez = p.Rezolva(param);
Console.WriteLine("Cost: " + rez.Cost);
foreach (var weight in rez.Pozitie)
{
Console.Write(weight + " ");
}
}