/// <summary>
///
/// </summary>
public void CreateNewGeneration()
{
Generations[NbGeneration - 1] = Generations[NbGeneration - 1].OrderByDescending(x => x.Fitness).ToArray();
//Checker si shallow copy
NetworkGenome[] generationTemp = new NetworkGenome[GenerationSize];
NetworkGenome[] elites = GetElites(NbGeneration);
float totalFitness = GetTotalFitness(NbGeneration);
int indexNewGen = 0;
int indexPartner = -1;
//garde lelite
for (int i = 0; i < elites.Length && indexNewGen < GenerationSize; i++)
{
generationTemp[indexNewGen++] = elites[i];
}
//rajoute random pour diversiter
for (int i = 0; i < (int)(LoserPercent * GenerationSize) && indexNewGen < GenerationSize; i++)
{
generationTemp[indexNewGen++] = new NetworkGenome(NeuralNetwork.Layout, NeuralNetwork.NbNecessaryInputs, NeuralNetwork.NetworkSize, MutationRnd, CrossOverRnd, MutationChance);
}
//fill avec des enfants
while (indexNewGen < GenerationSize)
{
indexPartner = ChooseMateIndex(NbGeneration);
Genome[] enfants = Generations[NbGeneration - 1][indexPartner].ProduceOffspring(Generations[NbGeneration - 1][ChooseMateIndex(NbGeneration, indexPartner)]);
generationTemp[indexNewGen++] = (enfants[0] as NetworkGenome);
generationTemp[indexNewGen++] = (enfants[1] as NetworkGenome);
}
Generations.Add(generationTemp);
}
public void AddNewGeneration()
{
var newGeneration = new List <Knapsack>();
for (int i = 0; i < PopulationSize; i++)
{
var candidate = Mutate(Crossover(Select(), Select()));
newGeneration.Add(candidate);
var knapsackFitness = GetKnapsackFitness(candidate);
var bestKnapsackFitness = GetKnapsackFitness(BestOfRun);
if (knapsackFitness > bestKnapsackFitness)
{
BestOfRun = candidate;
BestOfRunFitness = knapsackFitness;
}
}
//Console.WriteLine(RunNumber);
RunNumber++;
//Console.WriteLine(BestOfRunFitness);
CurrentGeneration = newGeneration;
Generations.Add(newGeneration);
}
public Melody Generate()
{
var currentPopulation = _initializer.Initialize();
ApplyMutationOperators(currentPopulation);
currentPopulation.Individuals.ToList().ForEach(currentMelody => _fitnessCalculator.Calculate(_initializer.BaseMelody, currentMelody));
Generations.Add(currentPopulation);
while (!_stopChecker.Stop(this))
{
var newPopulation = _replacementOperator.Replace(currentPopulation);
newPopulation.Individuals.ToList().ForEach(currentMelody => _fitnessCalculator.Calculate(_initializer.BaseMelody, currentMelody));
var best = newPopulation.BestIndividual();
Print(best, newPopulation.Sequence.ToString());
PrintFitnessValues(best);
Generations.Add(newPopulation);
currentPopulation = newPopulation;
}
Print(_initializer.BaseMelody, "input");
PrintFitnessValues(_initializer.BaseMelody);
Print(BestEver, "output");
PrintFitnessValues(BestEver);
return(BestEver);
}
/// <summary>
/// Creates a new generation.
/// </summary>
/// <returns>The new generation.</returns>
/// <param name="chromosomes">Chromosomes.</param>
public void CreateNewGeneration(IList <IChromosome> chromosomes)
{
ExceptionHelper.ThrowIfNull("chromosomes", chromosomes);
CurrentGeneration = new Generation(++GenerationsNumber, chromosomes);
Generations.Add(CurrentGeneration);
GenerationStrategy.RegisterNewGeneration(this);
}
/// <summary>
///
/// </summary>
public void CreateFirstGeneration()
{
NetworkGenome[] generationTemp = new NetworkGenome[GenerationSize];
for (int i = 0; i < GenerationSize; i++)
{
generationTemp[i] = new NetworkGenome(NeuralNetwork.Layout, NeuralNetwork.NbNecessaryInputs,
NeuralNetwork.NetworkSize, MutationRnd, CrossOverRnd, MutationChance, NeuralNetwork.Layers[0].Neurons[0].MinValueRand, NeuralNetwork.Layers[0].Neurons[0].MaxValueRand);
}
Generations.Add(generationTemp);
}
/// <summary>
/// Creates a new generation.
/// </summary>
/// <param name="genes">The genes to build the new generation of.</param>
public virtual void CreateNewGeneration(IList <IGenome> genes)
{
if (genes == null)
{
throw new NullReferenceException(nameof(genes));
}
CurrentGeneration = new Generation(++NumberOfGenerations, genes);
Generations.Add(CurrentGeneration);
}
private void CheckF()
{
if (setF1 != setF2)
{
return;
}
ParetoPointGeneration gen = new ParetoPointGeneration();
for (int i = 0; i < F1.Length; i++)
{
gen.Points.Add(new MyPoint(F1[i], F2[i]));
}
// pareto
uint[] indicies = ParetoFrontFinder.FindParetoFront(F1, F2);
ParetoIncidies = indicies.Select(n => (int)n).ToArray();
ParetoFront.Clear();
for (int i = 0; i < indicies.Length; i++)
{
ParetoFront.Add(new Point(F1[indicies[i]], F2[indicies[i]]));
}
// calc colors
Generations.Add(gen);
if (Generations.Count > maxGen)
{
Generations.RemoveAt(0);
}
for (int i = 0; i < Generations.Count; i++)
{
byte c = (byte)(255 - ((double)i + 1) / Generations.Count * 255);
Generations[i].Color = new SolidColorBrush(Color.FromArgb(255, c, c, c));
Generations[i].Size = i == Generations.Count - 1 ? 8 : 4;
}
RecalculateScale();
if (!Generations.Any())
{
return;
}
if (!Generations.Last().Points.Any())
{
return;
}
if (SelectedIndex >= Generations.Last().Points.Count)
{
return;
}
SelectedPoint = Generations.Last().Points[SelectedIndex];
}
private void Initialize()
{
if (!Goal.All(c => char.IsLetter(c) || char.IsWhiteSpace(c) || char.IsPunctuation(c)))
{
throw new ArgumentException("Для поля Goal допускаются только буквы и знаки пробела.");
}
if (!Origin.All(c => char.IsLetter(c) || char.IsWhiteSpace(c) || char.IsPunctuation(c)))
{
throw new ArgumentException("Для поля Origin допускаются только буквы и знаки пробела.");
}
State = Origin;
Generations.Add("Поколение " + Generation + ": " + State);
}
public GeneticAlgorithm(int generationsPerRun, int populationSize, double crossoverRate, double mutationRate, int lowerBound, int upperBound, int selectionStrategy, int recombinationStrategy, int mutationStrategy)
{
var gen1 = new List <Candidate>();
GenerationsPerRun = generationsPerRun;
LowerBound = lowerBound;
UpperBound = upperBound;
PopulationSize = populationSize;
CrossoverRate = crossoverRate;
MutationRate = mutationRate;
CurrentGeneration = gen1;
SelectionStrategy = (SelectionStrategy)selectionStrategy;
RecombinationStrategy = (RecombinationStrategy)recombinationStrategy;
MutationStrategy = (MutationStrategy)mutationStrategy;
Generations.Add(gen1);
InitializePopulation();
}
private void AddToGeneration(int level, IGeneticTreeNode node)
{
var generation = GetGeneration(level);
if (generation == null)
{
Generations.Add(new Generation()
{
Level = level, Nodes = new List <IGeneticTreeNode>()
});
generation = GetGeneration(level);
}
if (!generation.Nodes.Contains(node))
{
AddToGeneration(generation, node);
}
}
/// <summary>
/// Creates a new generation.
/// </summary>
/// <param name="chromosomes">The chromosomes for new generation.</param>
public virtual void CreateNewGeneration(IList <IChromosome> chromosomes)
{
chromosomes.ValidateGenes(); // validate
var distinct = chromosomes.SelectDistinct(); // select distinct
// Make sure that chromosomes without fitness are unique in terms of
// same gene values sequence wasn't encountered in previous generations ->
if (GenerationsNumber > 0)
{
distinct.RemoveEvaluatedPreviously(Generations);
}
// Create new Generation from distinct (!) ->
CurrentGeneration = new Generation(++GenerationsNumber, distinct);
// Add to collection ->
Generations.Add(CurrentGeneration);
}
public void Mutate(Dispatcher dispatcher = null)
{
// Create C mutated strings + the current parent.
var candidates = (from child in Enumerable.Repeat(State, Children)
select Mutate(child, Probability))
.Concat(Enumerable.Repeat(State, 1));
// Sort the strings by the fitness function.
var sorted = from candidate in candidates
orderby Fitness(Goal, candidate) descending
select candidate;
// New parent is the most fit candidate.
State = sorted.First();
Generation++;
if (dispatcher != null)
{
dispatcher.Invoke(() => Generations.Add("Поколение " + Generation + ": " + State));
}
}
public void Parse(BinaryReader br)
{
Version = br.ReadInt32();
HeaderSize = br.ReadInt32();
FolderNameLength = br.ReadInt32();
FolderName = Encoding.UTF8.GetString(br.ReadBytes(FolderNameLength));
PackageFlags = br.ReadInt32();
NameCount = br.ReadInt32();
NameOffset = br.ReadInt32();
ExportCount = br.ReadInt32();
ExportOffset = br.ReadInt32();
ImportCount = br.ReadInt32();
ImportOffset = br.ReadInt32();
DependsOffset = br.ReadInt32();
SerialOffset = br.ReadInt32();
Unknown2 = br.ReadInt32();
Unknown3 = br.ReadInt32();
Unknown4 = br.ReadInt32();
FGuid = $"{br.ReadInt32()}.{br.ReadInt32()}.{br.ReadInt32()}.{br.ReadInt32()}";
GenerationsCount = br.ReadInt32();
for (int i = 0; i < GenerationsCount; i++)
{
var generation = new Generation();
generation.Parse(br);
Generations.Add(generation);
}
EngineVersion = br.ReadInt32();
CookerVersion = br.ReadInt32();
CompressionFlags = br.ReadInt32();
NumCompressedChunks = br.ReadInt32();
for (int i = 0; i < NumCompressedChunks; i++)
{
var compressedChunk = new CompressedChunk();
compressedChunk.Parse(br);
CompressedChunks.Add(compressedChunk);
}
}
public void AddNewGeneration()
{
var newGeneration = new List <Candidate>();
for (int i = 0; i < PopulationSize; i++)
{
var candidate = Mutate(Crossover(Select(CurrentGeneration), Select(CurrentGeneration)));
newGeneration.Add(candidate);
}
var min = newGeneration.Select(x => x.Fitness).Min();
CurrentGeneration = newGeneration;
Generations.Add(newGeneration);
if (min < BestOfRun.Fitness)
{
BestOfRun = GetBestFitness();
}
}
private void InitializePopulation()
{
for (var i = 0; i < PopulationSize; i++)
{
CurrentGeneration.Add(new Knapsack(_knapsackCapacity, _maxKnapsackWeight));
}
BestOfRun = CurrentGeneration[0];
foreach (var knapsack in CurrentGeneration)
{
var knapsackFitness = GetKnapsackFitness(knapsack);
var bestKnapsackFitness = GetKnapsackFitness(BestOfRun);
if (knapsackFitness > bestKnapsackFitness)
{
BestOfRun = knapsack;
BestOfRunFitness = knapsackFitness;
}
}
Generations.Add(CurrentGeneration);
}
private void Evolve()
{
var actorAndScoreList = Actors.Select(actor => ScoreActor(actor, _environment))
.OrderBy(actor => actor.Score).ToList();
Generations.Add(new Generation
{
Actors = actorAndScoreList,
GenerationNumber = Generations.Count + 1
});
var betterBias = _aiWeight.BetterBias; // How likely it is that a better actor is used than a worse one.
var betterCutoff = _aiWeight.BetterCutoff; // Percentage of what are considered good actors vs bad ones.
var betterBiasCount = (int)Math.Round(Actors.Count * betterCutoff);
var elitism = _aiWeight.ElitismBias; // The percentage that gets copied directly to the new generation.
var mutationChance = _aiWeight.MutationChance;
var elitismCount = (int)Math.Round(Actors.Count * elitism);
for (var eliteIndex = 0; eliteIndex < elitismCount; eliteIndex++)
{
if (MaxActions != null && MaxActions > 0)
{
UpdateActor(eliteIndex, actorAndScoreList[eliteIndex].Lander.Actions.Take((int)MaxActions));
}
else
{
UpdateActor(eliteIndex, actorAndScoreList[eliteIndex].Lander.Actions);
}
}
for (var actorIndex = 0 + elitismCount; actorIndex < Actors.Count; actorIndex += 2)
{
var firstParent = GetBiasedActor(betterBias, betterBiasCount, actorAndScoreList);
var secondParent = GetBiasedActor(betterBias, betterBiasCount, actorAndScoreList);
var randomModifier = Randomizer.GetValueBetween(0.0, 1.0, 2);
var moreParentActionCount = firstParent.Lander.Actions.Count > secondParent.Lander.Actions.Count
? firstParent.Lander.Actions.Count
: secondParent.Lander.Actions.Count;
for (var childIndex = 0; childIndex < 2; childIndex++)
{
var childPuppet = Actors.First().Original.Clone();
var childActions = new List <string>();
for (var actionIndex = 0;
actionIndex < moreParentActionCount && actionIndex < (MaxActions ?? int.MaxValue);
actionIndex++)
{
var firstParentAction = firstParent.Lander.Actions.ElementAtOrDefault(actionIndex);
var secondParentAction = secondParent.Lander.Actions.ElementAtOrDefault(actionIndex);
string childAction;
if (firstParentAction == null && secondParentAction == null ||
Randomizer.Gamble(mutationChance))
{
childAction = MarsLanderActor.GetRandomActions(1, _randomNessProvider).First();
}
else
{
// If a parent's action index is null, take both from the other parent. The below algorithm is then not needed
// --> Because taking both values from the same parent simply results into the same action
// Also, depending on the child index, we apply one of two possible algorithms:
// ChildIndex = 0: NewAction = randomModifier * firstParentAction + (1 - randomModifier) * secondParentAction
// ChildIndex = 1: NewAction = (1 - randomModifier) * firstParentAction + randomModifier * secondParentAction
if (firstParentAction == null)
{
childAction = secondParentAction;
}
else if (secondParentAction == null)
{
childAction = firstParentAction;
}
else
{
var firstParentActionArray = firstParentAction !.Split(" ");
var firstParentAngle = int.Parse(firstParentActionArray[0]);
var firstParentPower = int.Parse(firstParentActionArray[1]);
var secondParentActionArray = secondParentAction !.Split(" ");
var secondParentAngle = int.Parse(secondParentActionArray[0]);
var secondParentPower = int.Parse(secondParentActionArray[1]);
if (childIndex == 0)
{
var newAngle = Math.Round(randomModifier * firstParentAngle +
(1 - randomModifier) * secondParentAngle);
var newPower = Math.Round(randomModifier * firstParentPower +
(1 - randomModifier) * secondParentPower);
childAction = $"{newAngle} {newPower}";
}
else
{
var newAngle = Math.Round((1 - randomModifier) * firstParentAngle +
randomModifier * secondParentAngle);
var newPower = Math.Round((1 - randomModifier) * firstParentPower +
randomModifier * secondParentPower);
childAction = $"{newAngle} {newPower}";
}
}
}
childPuppet.Apply(childAction, _environment);
childActions.Add(childAction);
if (!childPuppet.WillHitLandingZone(_environment, 1) || MaxActions != null)
{
continue;
}
var applicableAction = childPuppet.GetApplicableAction("0 4");
childPuppet.Apply(applicableAction, _environment);
childActions.Add(applicableAction);
break;
}
UpdateActor(actorIndex + childIndex, childActions);
}
}
}
/// <summary>
/// Создать новое поколение
/// </summary>
/// <param name="life"></param>
public void CreateGeneration()
{
Generations.Add(new Generation());
}
public void EndIteration()
{
Iterations++;
Generations.Add(Current);
}