PowerFunction2D (JFreeChart as OSGI-bundle 1.5.6 API)

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

All Implemented Interfaces:

Serializable, Function2D
```
public class PowerFunction2D
extends Object
implements Function2D, Serializable
```
A function of the form y = a * x ^ b.

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor Description

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

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`equals(Object obj)`	Tests this function for equality with an arbitrary object.
`double`	`getA()`	Returns the 'a' coefficient that was specified in the constructor.
`double`	`getB()`	Returns the 'b' coefficient that was specified in the constructor.
`double`	`getValue(double x)`	Returns the value of the function for a given input ('x').
`int`	`hashCode()`	Returns a hash code for this instance.

Methods inherited from class java.lang.Object
clone, finalize, getClass, 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
  - getA
```
public double getA()
```
    Returns the 'a' coefficient that was specified in the constructor.
    
    Returns:
    
    The 'a' coefficient.
    
    Since:
    
    1.0.14
  - getB
```
public double getB()
```
    Returns the 'b' coefficient that was specified in the constructor.
    
    Returns:
    
    The 'b' coefficient.
    
    Since:
    
    1.0.14
  - 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.
  - equals
```
public boolean equals(Object obj)
```
    Tests this function for equality with an arbitrary object.
    
    Overrides:
    
    equals in class Object
    
    Parameters:
    
    obj - the object (null permitted).
    
    Returns:
    
    A boolean.
  - hashCode
```
public int hashCode()
```
    Returns a hash code for this instance.
    
    Overrides:
    
    hashCode in class Object
    
    Returns:
    
    A hash code.