Gompertz                Gompertz
SoftMax                 SoftMax
SoftPlus                SoftPlus
inverse_Gompertz        Inverse Gompertz
leakyrelu               Leaky Rectified Linear Unit
logistic                Standard Logistic
logit                   Logit
relu                    Rectified Linear Unit
relu_output_to_derivative
                        ReLU Derivative
sigmoid                 Sigmoid
sigmoid_output_to_derivative
                        Sigmoid Derivative
softplus_output_to_derivative
                        SoftPlus Derivative
tanh_output_to_derivative
                        Tanh Derivative
