コード例 #1
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 public static double TanhDerivative(double neuronActivation) => 1 - Math.Pow(Neuron.TanhActivation(neuronActivation), 2);
コード例 #2
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            //public static double BinaryCrossEntropyDerivative(double neuronOutput, double expectedOutput) =>  /

            public static double SigmoidDerivative(double neuronActivation) => Neuron.SigmoidActivation(neuronActivation) * (1 - SigmoidDerivative(neuronActivation));