org.apache.commons.math3.stat.clustering
Class EuclideanDoublePoint

java.lang.Object
  org.apache.commons.math3.stat.clustering.EuclideanDoublePoint

All Implemented Interfaces:

Serializable, Clusterable<EuclideanDoublePoint>

public class EuclideanDoublePoint
extends Object
implements Clusterable<EuclideanDoublePoint>, Serializable

A simple implementation of Clusterable for points with double coordinates.

Since:

3.1

Version:

$Id: EuclideanDoublePoint.java 7721 2013-02-14 14:07:13Z CardosoP $

See Also:

Serialized Form

Constructor Summary

EuclideanDoublePoint(double[] point)
Build an instance wrapping an integer array.

Method Summary

EuclideanDoublePoint	centroidOf(Collection<EuclideanDoublePoint> points) Returns the centroid of the given Collection of points.
double	distanceFrom(EuclideanDoublePoint p) Returns the distance from the given point.
boolean	equals(Object other)
double[]	getPoint() Get the n-dimensional point in integer space.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

EuclideanDoublePoint

public EuclideanDoublePoint(double[] point)

Build an instance wrapping an integer array.

The wrapped array is referenced, it is not copied.

Parameters:

point - the n-dimensional point in integer space

Method Detail

centroidOf

public EuclideanDoublePoint centroidOf(Collection<EuclideanDoublePoint> points)

Returns the centroid of the given Collection of points.

Specified by:

centroidOf in interface Clusterable<EuclideanDoublePoint>

Parameters:

points - the Collection of points to compute the centroid of

Returns:

the centroid of the given Collection of Points

distanceFrom

public double distanceFrom(EuclideanDoublePoint p)

Returns the distance from the given point.

Specified by:

distanceFrom in interface Clusterable<EuclideanDoublePoint>

Parameters:

p - the point to compute the distance from

Returns:

the distance from the given point

equals

public boolean equals(Object other)

Overrides:

equals in class Object

getPoint

public double[] getPoint()

Get the n-dimensional point in integer space.

Returns:

a reference (not a copy!) to the wrapped array

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object