org.gersteinlab.regulation.numeric
Class Function

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

Direct Known Subclasses:

DifferentiableFunction

public abstract class Function
extends java.lang.Object

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

Version:

1.0 (August 29, 2008)

        Change History:
        1.0     - Initial version
        

Author:

Kevin Yuk-Lap Yip

Field Summary

protected double

xStored

Constructor Summary

Function()

Method Summary

double	f() Evaluate the value of the function at the last stored point.
double	f(double x) Evaluate the value of the function at a point.
void	set(double x) Store the next point to be evaluated.

Methods inherited from class java.lang.Object

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

Field Detail

xStored

protected double xStored

Constructor Detail

Function

public Function()

Method Detail

f

public double f(double x)

Evaluate the value of the function at a point.

Parameters:

x - The point

Returns:

The value of the function at the point

set

public void set(double x)

Store the next point to be evaluated.

Parameters:

x - The point

f

public double f()

Evaluate the value of the function at the last stored point.

Returns:

The value of the function at the point