org.apache.commons.math.random

Class UnitSphereRandomVectorGenerator

java.lang.Object

org.apache.commons.math.random.UnitSphereRandomVectorGenerator

All Implemented Interfaces:

RandomVectorGenerator

public class UnitSphereRandomVectorGenerator
extends java.lang.Object
implements RandomVectorGenerator

Generate random vectors isotropically located on the surface of a sphere.

Since:

2.1

Constructor Summary

Constructors

Constructor and Description
UnitSphereRandomVectorGenerator(int dimension) Create an object that will use a default RNG (MersenneTwister), in order to generate the individual components.
UnitSphereRandomVectorGenerator(int dimension, RandomGenerator rand)

Method Summary

Modifier and Type	Method and Description
double[]	nextVector() Generate a random vector.

Methods inherited from class java.lang.Object

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

Constructor Detail

UnitSphereRandomVectorGenerator

public UnitSphereRandomVectorGenerator(int dimension,
                                       RandomGenerator rand)

Parameters:

dimension - Space dimension.

rand - RNG for the individual components of the vectors.

UnitSphereRandomVectorGenerator

public UnitSphereRandomVectorGenerator(int dimension)

Create an object that will use a default RNG (MersenneTwister), in order to generate the individual components.

Parameters:

dimension - Space dimension.

Method Detail

nextVector

public double[] nextVector()

Generate a random vector.

Specified by:

nextVector in interface RandomVectorGenerator

Returns:

a random vector as an array of double.