Package dk.jonaslindstrom.ruffini.permutations.elements

Class Permutation

java.lang.Object

dk.jonaslindstrom.ruffini.permutations.elements.Permutation

All Implemented Interfaces:

java.util.function.Function<Integer,Integer>, java.util.function.UnaryOperator<Integer>

public class Permutation
extends Object
implements java.util.function.UnaryOperator<Integer>

Constructor Summary

Constructors

Constructor	Description
Permutation(int... permutation)
Permutation(int n, int[] cycle)
Permutation(Integer n)

Method Summary

Modifier and Type	Method	Description
Integer	apply(Integer x)
Matrix<Integer>	getMatrixRepresentation()
static Permutation	samplePermutation(int n, Random random)	Sample a random permutation uniformly among all permutations on n elements.
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.function.Function

andThen, compose

Constructor Details

Permutation

public Permutation(Integer n)

Permutation

public Permutation(int n,
 int[] cycle)

Permutation

public Permutation(int... permutation)

Method Details

samplePermutation

public static Permutation samplePermutation(int n,
 Random random)

Sample a random permutation uniformly among all permutations on n elements.

toString

public String toString()

Overrides:

toString in class Object

apply

public Integer apply(Integer x)

Specified by:

apply in interface java.util.function.Function<Integer,Integer>

getMatrixRepresentation

public Matrix<Integer> getMatrixRepresentation()