org.generation5.nn
Class Activation.Tanh

java.lang.Object
  org.generation5.nn.Activation.Tanh

All Implemented Interfaces:

Activation

Enclosing class:

Activation

public static class Activation.Tanh

extends java.lang.Object

implements Activation

Hyperbolic tangent activation function.

Nested Class Summary

Nested classes inherited from class org.generation5.nn.Activation

Activation.None, Activation.Sigmoid, Activation.Stepped, Activation.Tanh

Constructor Summary

Activation.Tanh()

Method Summary

double

function(double in) Return f(x) = ex-e-x) /(ex+e-x.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Activation.Tanh

public Activation.Tanh()

Method Detail

function

public double function(double in)

Return f(x) = e^x-e^-x) /(e^x+e^-x.

Specified by:

function in interface Activation

Parameters:

in - the input weight.

Returns:

tanh activation result.