示例#1
0
        static void Main(string[] args)
        {
            Stopwatch sw = Stopwatch.StartNew();

            for (int n = 0; n < 100; n++)
            {
                DEHyperParameter hp = new DEHyperParameter();
                hp.Individuals = 100;

                double[] x = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 };
                double[] y = { 0, 1, 2, 2.6, 2, 1, 0, 1, 2, 2.4, 2, 1 };

                Sample[] sampleSet = new Sample[x.Length];
                for (int i = 0; i < x.Length; i++)
                {
                    sampleSet[i] = new Sample(x[i], y[i]);
                }
                FuncMinimizeWrapper     wrapper = new FuncMinimizeWrapper(MySinoidFunc, sampleSet);
                Func <double[], double> minFunc = wrapper.Func;

                DEMinimizer       min    = new DEMinimizer(minFunc, 4, -5, 5);
                DEMinimizerResult result = min.Run(hp, 0.1, 1000);
                Console.WriteLine(result);
            }

            sw.Stop();
            Console.WriteLine(sw.ElapsedMilliseconds + " ms");
        }
示例#2
0
    public void TestMinimizeRosenbrockSaddle()
    {
        int minGens = int.MaxValue;

        for (int n = 0; n < 10; n++)
        {
            DEMinimizer      min = new DEMinimizer(RosenbrockSaddle, 2, -2.048, 2.048);
            DEHyperParameter hp  = new DEHyperParameter();

            // Use hyperparameter from Storn and Price paper
            hp.Individuals = 5;
            hp.F           = 0.9f;
            hp.CR          = 0.1f;

            DEMinimizerResult result = min.Run(hp, 1E-6, 1000);
            Console.WriteLine(result);
            minGens = Math.Min(minGens, result.Generations);
        }
        Assert.IsTrue(minGens * 5 <= 406);
    }