public void TestSoftMax() { var activation = new ActivationSoftMax(); Assert.IsTrue(activation.HasDerivative); var clone = activation.Clone(); Assert.IsInstanceOfType(clone, typeof(ActivationSoftMax)); double[] input = { 1, 2, 3 }; activation.ActivationFunction(input, 0, 3); Assert.AreEqual(0.09, input[0], 0.01); Assert.AreEqual(0.24, input[1], 0.01); Assert.AreEqual(0.67, input[2], 0.01); double sum = input[0] + input[1] + input[2]; Assert.AreEqual(1, sum, EncogFramework.DefaultDoubleEqual); input[0] = activation.DerivativeFunction(input[0], input[0]); Assert.AreEqual(1.0, input[0], EncogFramework.DefaultDoubleEqual); }
public EncogSoftMaxActivation() : base() { activationFunction = new ActivationSoftMax(); activationLevel = 1.0; activationMin = 0.0; activationMax = 1.0; }
void AddLayers(List<LayerConfig> gen) { foreach (var g in gen) { IActivationFunction act; if (g.ActivationType == 0) { act = new ActivationBiPolar(); } switch (g.ActivationType ) { case 0: act = new ActivationBiPolar(); break; case 1: act = new ActivationBipolarSteepenedSigmoid (); break; case 2: act = new ActivationClippedLinear(); break; case 3: act = new ActivationCompetitive(); break; case 4: act = new ActivationElliott(); break; case 5: act = new ActivationElliottSymmetric(); break; case 6: act = new ActivationGaussian(); break; case 7: act = new ActivationLinear(); break; case 8: act = new ActivationLOG(); break; case 9: act = new ActivationRamp(); break; case 10: act = new ActivationRamp(); break; case 11: act = new ActivationSigmoid(); break; case 12: act = new ActivationSIN(); break; case 13: act = new ActivationSoftMax(); break; case 14: act = new ActivationSteepenedSigmoid(); break; case 15: act = new ActivationStep(); break; case 16: act = new ActivationTANH(); break; default: act = new ActivationSoftMax(); break; } network.AddLayer(new BasicLayer(act, g.hasBias, g.neurons)); } }