public Particle(Position position, CostEvaluator evaluator, Attraction attraction)
{
_evaluator = evaluator;
Velocity = GenerateRandomVelocity(position.Vector.Length);
Position = position;
Attraction = attraction;
PersonalBest = Position;
}
private static void RunAlgorithm(int runCount, CostEvaluator trainCostEvaluator, CostEvaluator testCostEvaluator, IParticleSwarm pso, int particleCount, ConsoleLogger logger, string outputFilePath)
{
Console.WriteLine($"Starting {runCount} runs...");
for (var i = 0; i < runCount; i++)
{
var simulator = new ParticleSwarmSimulator(trainCostEvaluator, pso);
var weights = simulator.Simulate(particleCount);
var cost = testCostEvaluator.Cost(weights);
logger.LogRunResult(i, cost, weights);
AppendToResultsFile(outputFilePath, cost, weights);
}
}
public ParticleSwarmSimulator(CostEvaluator evaluator, IParticleSwarm particleSwarm)
{
_evaluator = evaluator;
_particleSwarm = particleSwarm;
_random = new Random();
}
public void EvaluateWith(CostEvaluator evaluator)
{
Value = evaluator.Cost(Vector);
}
