public double Calculate(Vector vector)
{
double result = 0;
for (int i = 0; i < vector.Dimension; i++)
{
result += Math.Pow((vector.Components[i] - Parameters[i]), 2);
}
return result;
}
public double Calculate(Vector vector)
{
double result = 0;
result = (vector.Components[0] - vector.Components[1]) * (vector.Components[0] + vector.Components[1]);
result = Math.Abs(result);
result += Math.Pow(((vector.Components[0] * vector.Components[0]) + (vector.Components[1] * vector.Components[1])), 0.5);
return result;
}
public double Calculate(Vector vector)
{
double result = 0;
double sumComponentsSquare = 0;
foreach (double component in vector.Components)
{
sumComponentsSquare += (Math.Pow(component, 2));
}
result = Math.Pow(sumComponentsSquare, 0.1);
result *= 50;
result = Math.Sin(result);
result = Math.Pow(result, 2);
result += 1;
result *= (Math.Pow(sumComponentsSquare, 0.25));
return result;
}
public static Vector CrossOver(Vector parent1, Vector parent2)
{
Vector child = new Vector();
child.Dimension = VectorDimension;
int randomNum = Algorithm.random.Next(0, VectorDimension);
for (int i = 0; i < randomNum; i++)
{
int parent = Algorithm.random.Next(0, 1);
if (parent == 0)
child.Components.Add(parent1.Components[i]);
else
child.Components.Add(parent2.Components[i]);
}
for (int i = randomNum; i < VectorDimension; i++)
{
child.Components.Add((parent1.Components[i]) + (parent2.Components[i]) / 2);
}
return child;
}
public double Calculate(Vector vector)
{
double result = 0;
double sumComponentsSquare = 0;
double numerator, denumerator;
foreach(double component in vector.Components)
{
sumComponentsSquare += (Math.Pow(component,2));
}
numerator = Math.Pow(sumComponentsSquare, 0.5);
numerator = Math.Sin(numerator);
numerator = Math.Pow(numerator,2);
numerator -= 0.5;
denumerator = 0.001 * sumComponentsSquare;
denumerator += 1;
denumerator = Math.Pow(denumerator, 2);
result = 0.5 + (numerator / denumerator);
return result;
}
private static void InitPopulation()
{
Population = new List<Vector>();
PopulationEvaluation = new List<double>();
for(int i = 0; i<Constants.POPULATIONSIZE;i++)
{
Vector v = new Vector();
v.Dimension = VectorDimension;
for(int j=0; j<VectorDimension;j++)
{
double randComponent = Algorithm.GetRandomNumber(Constants.LOWERSEARCHBOUND, Constants.UPPERSEARCHBOUND);
v.Components.Add(randComponent);
}
Population.Add(v);
PopulationEvaluation.Add(Function.Calculate(v));
}
}
public static Vector Mutation(Vector child)
{
for (int i = 0; i < VectorDimension; i++)
{
double mutation = Algorithm.GetRandomNumber(0, 1);
if (mutation <= Constants.MUTATIONPARAMETER)
{
int addSub = Algorithm.random.Next(0, 1);
if (addSub == 0)
child.Components[i] += Algorithm.GetRandomNumber(Constants.LOWERSEARCHBOUND / 2, Constants.UPPERSEARCHBOUND / 2);
else
child.Components[i] -= Algorithm.GetRandomNumber(Constants.LOWERSEARCHBOUND / 2, Constants.UPPERSEARCHBOUND / 2);
if (child.Components[i] > Constants.UPPERSEARCHBOUND)
child.Components[i] = Constants.UPPERSEARCHBOUND;
if (child.Components[i] < Constants.LOWERSEARCHBOUND)
child.Components[i] = Constants.LOWERSEARCHBOUND;
}
}
return child;
}