org.jfree.data.function
Class PowerFunction2D

java.lang.Object
  org.jfree.data.function.PowerFunction2D

All Implemented Interfaces:

Function2D

public class PowerFunction2D
extends java.lang.Object
implements Function2D

A function of the form y = a * x ^ b.

Constructor Summary

PowerFunction2D(double a, double b)
Creates a new power function.

Method Summary

double

getValue(double x) Returns the value of the function for a given input ('x').

Methods inherited from class java.lang.Object

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

Constructor Detail

PowerFunction2D

public PowerFunction2D(double a,
                       double b)

Creates a new power function.

Parameters:

a - the 'a' coefficient.

b - the 'b' coefficient.

Method Detail

getValue

public double getValue(double x)

Returns the value of the function for a given input ('x').

Specified by:

getValue in interface Function2D

Parameters:

x - the x-value.

Returns:

The value.