private Solution <double> CreateAntSolution(double[] vector)
{
Solution <double> solution = new Solution <double>();
if (vector.Length == this._problemSize)
{
for (int index = 0; index < this._problemSize; index++)
{
double value = RandomUtility.Gaussian(vector[index], this._stdv[index]);
solution.Components.Add(new DecisionComponent <double>(index, value));
}
}
else
{
AbstractContinousOptimizationEvaluator evaluator = this._problem.SolutionQualityEvaluator as AbstractContinousOptimizationEvaluator;
for (int index = 0; index < this._problemSize; index++)
{
double value = RandomUtility.Random(evaluator.MinimumVariableValue, evaluator.MinimumVariableValue);
solution.Components.Add(new DecisionComponent <double>(index, value));
}
}
return(solution);
}
public override void CreateSolution()
{
AbstractContinousOptimizationEvaluator evaluator = this._problem.SolutionQualityEvaluator as AbstractContinousOptimizationEvaluator;
this._iterationBest = null;
for (int i = 0; i < this._colonySize; i++)
{
int selectIndex = ProbablisticallySelectSolution();
double std = 0;
double value = 0;
Solution <double> solution = new Solution <double>();
for (int index = 0; index < this._problemSize; index++)
{
std = 0;
for (int solutionIndex = 0; solutionIndex < this._archiveSize; solutionIndex++)
{
std += (Math.Abs(_solutionArchive[solutionIndex].Components[index].Element - _solutionArchive[selectIndex].Components[index].Element) / (this._archiveSize - 1));
}
std *= this._segma;
value = RandomUtility.Gaussian(_solutionArchive[selectIndex].Components[index].Element, std);
if (value < evaluator.MinimumVariableValue)
{
value = evaluator.MinimumVariableValue;
}
else if (value > evaluator.MaximumVariableValue)
{
value = evaluator.MaximumVariableValue;
}
solution.Components.Add(new DecisionComponent <double>(index, value));
}
EvaluateSolutionQuality(solution);
if (this._iterationBest == null || solution.Quality > this._iterationBest.Quality)
{
this._iterationBest = solution;
}
}
if (this.OnPostAntSolutionContruction != null)
{
this.OnPostAntSolutionContruction(this, null);
}
}
