Exemplos de Encog.Engine.Network.Activation ActivationSigmoid.DerivativeFunction em C# (CSharp)

DerivativeFunction() public method

public DerivativeFunction ( double b, double a ) : double
b	double
a	double
return	double

Exemplo n.º 1

Arquivo: TestActivationSigmoid.cs Projeto: CreativelyMe/encog-dotnet-core

        public void TestSigmoid()
        {
            var activation = new ActivationSigmoid();
            Assert.IsTrue(activation.HasDerivative);

            var clone = (ActivationSigmoid) activation.Clone();
            Assert.IsNotNull(clone);

            double[] input = {0.0};

            activation.ActivationFunction(input, 0, 1);

            Assert.AreEqual(0.5, input[0], 0.1);

            // test derivative, should throw an error
            input[0] = activation.DerivativeFunction(input[0],input[0]);
            Assert.AreEqual(0.25, input[0], 0.1);
        }

Exemplo n.º 2

Arquivo: TestActivationSigmoid.cs Projeto: tomfen/encog-dotnet-core

        public void TestSigmoid()
        {
            var activation = new ActivationSigmoid();

            Assert.IsTrue(activation.HasDerivative);

            var clone = activation.Clone();

            Assert.IsInstanceOfType(clone, typeof(ActivationSigmoid));

            double[] input = { 0.0 };

            activation.ActivationFunction(input, 0, 1);

            Assert.AreEqual(0.5, input[0], 0.1);

            input[0] = activation.DerivativeFunction(0, input[0]);
            Assert.AreEqual(0.25, input[0], 0.1);
        }

Exemplo n.º 3

        public void TestSigmoid()
        {
            var activation = new ActivationSigmoid();

            Assert.IsTrue(activation.HasDerivative);

            var clone = (ActivationSigmoid)activation.Clone();

            Assert.IsNotNull(clone);

            double[] input = { 0.0 };

            activation.ActivationFunction(input, 0, 1);

            Assert.AreEqual(0.5, input[0], 0.1);

            // test derivative, should throw an error
            input[0] = activation.DerivativeFunction(input[0], input[0]);
            Assert.AreEqual(0.25, input[0], 0.1);
        }