001    /*
002     * Created on Aug 3, 2005
003     *
004     */
005    package aima.learning.neural;
006    
007    /**
008     * @author Ravi Mohan
009     * 
010     */
011    
012    public interface ActivationFunction {
013            double activation(double parameter);
014    
015            double deriv(double parameter);
016    }