DifferentiableActivationFunction.java

package func.nn.activation;
/**
 * A activation function that is differentiable
 * @author Andrew Guillory gtg008g@mail.gatech.edu
 * @version 1.0
 */
public abstract class DifferentiableActivationFunction extends ActivationFunction {	
	
	/**
	 * Perform the derivative of this function on the given value
	 * @param value the value to perform the derivative on
	 * @return the result
	 */
	public abstract double derivative(double value);
    
}