public TaskSchedulingSolution(ProblemBase problem, int[,] geneticMaterial)
: base(problem)
{
TaskSchedulingProblem schedulingProblem = (Problem as TaskSchedulingProblem);
this.GeneticMaterial = geneticMaterial;
}
public NSGA2(ProblemBase problem,
//SelectionMethodBase selectionMethod,
//CrossoverMethodBase crossoverMethod,
//ReinsertionMethodBase reinsertionMethod,
int populationSize, int offspringPopSize, int numberOfGenerations, int mutationPct)
: base(problem, populationSize, numberOfGenerations, mutationPct)
{
this.offspringPopSize = offspringPopSize;
}
/// <summary>
/// Represents an Entity able to execute the Genetic Algorithm for the input parameters
/// </summary>
/// <param name="problem">Instance of a Problem to be Solved</param>
/// <param name="selectionMethodType">The Method to Be used for Parent Selection in Crossover Methods</param>
/// <param name="tourSize">In case the 'Tour' Method is chosen as the current Selection Method, this parameter will be considered in its evaluation</param>
/// <param name="crossoverMethodType">The Method to be used for Crossover between two parents</param>
/// <param name="reinsertionMethodType">The Method by which Individuals are chosen to be part of the next Generation</param>
/// <param name="populationSize">The Individual Count in a Population that is considered to be a Generation</param>
/// <param name="numberOfGenerations">The Number of Generations to run before the algorithm returns an Result</param>
/// <param name="crossoverPct">The Crossover percentage involved in the calculation</param>
/// <param name="mutationPct">The Mutation percentage involved in the calculation</param>
public MonoObjectiveGeneticAlgorithm(ProblemBase problem, SelectionMethodBase selectionMethod, CrossoverMethodBase crossoverMethod, ReinsertionMethodBase reinsertionMethod, int populationSize, int numberOfGenerations, int mutationPct)
: base(problem, populationSize, numberOfGenerations)
{
this.mutationPct = mutationPct;
this.selectionMethod = selectionMethod;
selectionMethod.Problem = problem;
this.crossoverMethod = crossoverMethod;
crossoverMethod.Problem = problem;
this.reinsertionMethod = reinsertionMethod;
}
private static IEnumerable <IndividualBase> NSGA2Test(ProblemBase mainProblem)
{
MultiObjectiveGeneticAlgorithm NSGA2 = new NSGA2(
mainProblem,
200,
200,
400,
2);
return(NSGA2.Execute());
}
public static void Execute(IndividualBase individual, ProblemBase problem)
{
problem.EvaluateIndividual(individual);
if (!individual.WasEvaluated)
{
individual.ObjectivesValuesForMaximization.Add(double.MaxValue);
individual.ObjectivesValuesForNormalization.Add(double.MaxValue);
}
Objective objective = problem.MonoObjectiveGoal;
individual.SetFitnessForObjective(objective);
individual.WasEvaluated = true;
}
private static List <IndividualBase> MonoObjectiveGeneticAlgorithmTest(ProblemBase mainProblem, string convergenceReport)
{
MonoObjectiveGeneticAlgorithm AG = new MonoObjectiveGeneticAlgorithm(
mainProblem,
new Tour(3),
new Ciclic(),
new BestAmongstAll(100),
200,
200,
30);
List <IndividualBase> retorno = new List <IndividualBase>();
retorno.Add(AG.Execute());
return(retorno);
}
private static List <IndividualBase> MonoObjectiveGeneticAlgorithmTest(ProblemBase mainProblem, out string convergenceReport)
{
MonoObjectiveGeneticAlgorithm AG = new MonoObjectiveGeneticAlgorithm(
mainProblem,
new Tour(1),
new PMX(),
new Elitist(30),
200,
200,
15);
List <IndividualBase> retorno = new List <IndividualBase>();
retorno.Add(AG.Execute(100, out convergenceReport));
return(retorno);
}
public TaskSchedulingSolution(ProblemBase problem)
: base(problem)
{
TaskSchedulingProblem schedulingProblem = (Problem as TaskSchedulingProblem);
this.GeneticMaterial = new int[2, schedulingProblem.TaskCount];
IEnumerable<int> randomTaskPermutation = Aleatoriety.GetRandomIntegerSequencePermutation(0, schedulingProblem.TaskCount);
int idx = 0;
foreach (int task in randomTaskPermutation) {
this.GeneticMaterial[0, idx] = task;
this.GeneticMaterial[1, idx] = Aleatoriety.GetRandomInt(schedulingProblem.ProcessorCount);
++idx;
}
}
//SelectionMethodBase selectionMethod;
//CrossoverMethodBase crossoverMethod;
//ReinsertionMethodBase reinsertionMethod;
/// <summary>
/// Represents an Entity able to execute the Genetic Algorithm for the input parameters
/// </summary>
/// <param name="problem">Instance of a Problem to be Solved</param>
/// <param name="selectionMethodType">The Method to Be used for Parent Selection in Crossover Methods</param>
/// <param name="tourSize">In case the 'Tour' Method is chosen as the current Selection Method, this parameter will be considered in its evaluation</param>
/// <param name="crossoverMethodType">The Method to be used for Crossover between two parents</param>
/// <param name="reinsertionMethodType">The Method by which Individuals are chosen to be part of the next Generation</param>
/// <param name="populationSize">The Individual Count in a Population that is considered to be a Generation</param>
/// <param name="numberOfGenerations">The Number of Generations to run before the algorithm returns an Result</param>
/// <param name="crossoverPct">The Crossover percentage involved in the calculation</param>
/// <param name="mutationPct">The Mutation percentage involved in the calculation</param>
public MultiObjectiveGeneticAlgorithm(ProblemBase problem,
//SelectionMethodBase selectionMethod,
//CrossoverMethodBase crossoverMethod,
//ReinsertionMethodBase reinsertionMethod,
int populationSize, int numberOfGenerations, int mutationPct)
: base(problem, populationSize, numberOfGenerations)
{
this.InitialPopulationSize = populationSize;
this.Problem = problem;
this.NumberOfGenerations = numberOfGenerations;
this.mutationPct = mutationPct;
//this.selectionMethod = selectionMethod;
//selectionMethod.Problem = problem;
//this.crossoverMethod = crossoverMethod;
//crossoverMethod.Problem = problem;
//this.reinsertionMethod = reinsertionMethod;
}
public TaskSchedulingSolution(ProblemBase problem) : base(problem)
{
TaskSchedulingProblem schedulingProblem = (Problem as TaskSchedulingProblem);
this.GeneticMaterial = new int[2, schedulingProblem.TaskCount];
IEnumerable <int> randomTaskPermutation = Aleatoriety.GetRandomIntegerSequencePermutation(0, schedulingProblem.TaskCount);
int idx = 0;
foreach (int task in randomTaskPermutation)
{
this.GeneticMaterial[0, idx] = task;
this.GeneticMaterial[1, idx] = Aleatoriety.GetRandomInt(schedulingProblem.ProcessorCount);
++idx;
}
}
/// <summary>
/// Creates the concrete instance of the Problem type.
/// </summary>
/// <param name="currentProblem">
/// Problem type to create.
/// </param>
/// <returns>
/// The Problem's instance.
/// </returns>
internal static ProblemBase CreateProblem(ProblemFamily currentProblem)
{
ProblemBase problem = default;
switch (currentProblem)
{
case ProblemFamily.None:
break;
case ProblemFamily.TravellingSalesmanProblem:
// TODO... Creation of "Travelling Salesman problem"
break;
case ProblemFamily.VehicleRoutingProblem:
// TODO... Creation of "Vehicle Routing problem"
break;
case ProblemFamily.TeamOrienteering:
problem = new ToProblem();
break;
}
return(problem);
}
/// <summary>
/// Defines a Sap2000 Model.
/// </summary>
/// <param name="inModelFolder">The target folder for the analysis</param>
public S2KModel(string inModelFolder, ProblemBase inProblem) : base(inModelFolder, "model.s2k", inProblem)
{
}
public SPEA2(ProblemBase problem, int populationSize, int archivePopSize, int numberOfGenerations, int mutationPct)
: base(problem, populationSize, numberOfGenerations, mutationPct)
{
this.ArchivePopulationSize = archivePopSize;
}
public Population_MultiObjective_AG(ProblemBase problem)
: base(int.MaxValue)
{
this.Problem = problem;
}
public Population_MultiObjective_AG(ProblemBase problem, int populationSize) : base(populationSize)
{
this.Problem = problem;
}
public CryptArithmeticSolution(ProblemBase problem, int[] lettersValues)
: base(problem)
{
this.LettersValues = lettersValues;
}
public CryptArithmeticSolution(ProblemBase problem)
: base(problem)
{
int amountOfChars = Enumerable.Range(0, 10).Count();
LettersValues = Aleatoriety.GetRandomIntegerSequencePermutation(0, amountOfChars).ToArray();
}
public CryptArithmeticSolution(ProblemBase problem, int[] lettersValues) : base(problem)
{
this.LettersValues = lettersValues;
}
public CryptArithmeticSolution(ProblemBase problem) : base(problem)
{
int amountOfChars = Enumerable.Range(0, 10).Count();
LettersValues = Aleatoriety.GetRandomIntegerSequencePermutation(0, amountOfChars).ToArray();
}
public TaskSchedulingSolution(ProblemBase problem, int[,] geneticMaterial) : base(problem)
{
TaskSchedulingProblem schedulingProblem = (Problem as TaskSchedulingProblem);
this.GeneticMaterial = geneticMaterial;
}
public EstocasticTour(ProblemBase problem, int tourSize)
{
this.problem = problem;
this.tourSize = tourSize;
}
private static IEnumerable <IndividualBase> SPEA2MultiExecution(int executionCount, ProblemBase problem, int populationSize)
{
MultiObjectiveGeneticAlgorithm SPEA2 = new NSGA2(
problem,
populationSize,
200,
200,
10);
Population_MultiObjective_AG Aggregator = new Population_MultiObjective_AG(problem);
for (int i = 0; i < executionCount; ++i)
{
IEnumerable <IndividualBase> executionResult = SPEA2.Execute();
Aggregator.AddRange(executionResult);
}
IEnumerable <IndividualBase> nonDominatedFront = Aggregator.FastNonDominatedSort().First().Content;
IEnumerable <IndividualBase> firstItemsByMakeSpan = (from i in nonDominatedFront.Cast <TaskSchedulingSolution>()
group i by i.MakeSpan into g
select g.First()).OrderBy(I => I.MakeSpan);
return(firstItemsByMakeSpan);
}
public Roulette(ProblemBase problem)
{
this.problem = problem;
}
