org.gersteinlab.regulation.numeric
Class DifferentiableFunction

java.lang.Object
  org.gersteinlab.regulation.numeric.Function
      org.gersteinlab.regulation.numeric.DifferentiableFunction

Direct Known Subclasses:

DoublyDifferentiableFunction

public abstract class DifferentiableFunction
extends Function

        A class that represents a differentiable univariate real function. Each
        inherited class should implement at least one of df(double) and df().
        

Version:

1.0 (August 29, 2008)

        Change History:
        1.0     - Initial version
        

Author:

Kevin Yuk-Lap Yip

Field Summary

Fields inherited from class org.gersteinlab.regulation.numeric.Function

xStored

Constructor Summary

DifferentiableFunction()

Method Summary

double	df() Evaluate the first derivative of the function at the stored point.
double	df(double x) Evaluate the first derivative of the function at a point.

Methods inherited from class org.gersteinlab.regulation.numeric.Function

f, f, set

Methods inherited from class java.lang.Object

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

Constructor Detail

DifferentiableFunction

public DifferentiableFunction()

Method Detail

df

public double df(double x)

Evaluate the first derivative of the function at a point.

Parameters:

x - The point

Returns:

The first derivative of the function at the point

df

public double df()

Evaluate the first derivative of the function at the stored point.

Returns:

The first derivative of the function at the point