private static void Display(Chromosome <Fraction, Fitness> candidate, Stopwatch watch, FnGenesToImputsDelegate fnGenesToImputs) { var symbols = "xyza".ToCharArray(); var result = string.Join(", ", symbols.Zip(fnGenesToImputs(candidate.Genes), (s, v) => $"{s} = {v}")); Console.WriteLine("{0}\t{1}\t{2} ms", result, candidate.Fitness, watch.ElapsedMilliseconds); }
private static void SolveUnknown(int numUnknowns, Fraction[] geneSet, FnEquationDelegate[] equations, FnGenesToImputsDelegate fnGenesToImputs) { var watch = Stopwatch.StartNew(); var maxAge = 50; var window = new Window(Math.Max(1, geneSet.Length / (2 * maxAge)), Math.Max(1, geneSet.Length / 3), geneSet.Length / 2); var geneIndexes = Enumerable.Range(0, numUnknowns).ToArray(); var sortedGeneSet = geneSet.OrderBy(gene => gene).ToList(); void FnDispaly(Chromosome <Fraction, Fitness> candidate) => Display(candidate, watch, fnGenesToImputs); Fitness FnGetFitness(IReadOnlyList <Fraction> genes) => GetFitness(genes, equations); void FnMutate(List <Fraction> genes) => Mutate(genes, sortedGeneSet, window, geneIndexes); var optimalFitness = new Fitness(new Fraction(0)); var best = Genetic <Fraction, Fitness> .GetBest(FnGetFitness, numUnknowns, optimalFitness, geneSet, FnDispaly, FnMutate, null, maxAge); Assert.IsTrue(optimalFitness.CompareTo(best.Fitness) <= 0); Assert.AreEqual(0.0, (float)best.Fitness.TotalDifference, 0.0001); }