org.gersteinlab.regulation.numeric
Class MultivariateFunction

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

Direct Known Subclasses:

DifferentiableMultivariateFunction

public abstract class MultivariateFunction
extends java.lang.Object

        A class that represents a multivariate 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

MultivariateFunction()

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

MultivariateFunction

public MultivariateFunction()

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 polynomial 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