weka.classifiers.functions.activation

Interface ActivationFunction

All Superinterfaces:

java.io.Serializable

All Known Implementing Classes:

ApproximateSigmoid, Sigmoid, Softplus

public interface ActivationFunction
extends java.io.Serializable

Interface to be implemented for activation functions.

Version:

$Revision: 10949 $

Author:

Eibe Frank (eibe@cs.waikato.ac.nz)

Method Summary

Modifier and Type	Method and Description
double	activation(double x, double[] d, int index) Computes activation function.

Method Detail

activation

double activation(double x,
                  double[] d,
                  int index)

Computes activation function. Derivative is stored in d at position index if argument d != null.