javamath.util.mathgui
Class Permutation

java.lang.Object
  |
  +--javamath.util.mathgui.Permutation

All Implemented Interfaces:

java.io.Serializable

public class Permutation

extends java.lang.Object

implements java.io.Serializable

A private implementation of Permutation with various useful constructor and accessor methods.

See Also:

Serialized Form

Constructor Summary

Permutation()
Construct the identity permutation.

Permutation(java.util.Vector vec)
takes a permutation in cycle notation.

Method Summary

int[]	toArray() returns an array a such that the permutation maps i to a[i-1]
java.lang.String	toString() a string representing the permutation in cycle notation.

Methods inherited from class java.lang.Object

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

Constructor Detail

Permutation

public Permutation()

Construct the identity permutation.

Permutation

public Permutation(java.util.Vector vec)

takes a permutation in cycle notation.

Method Detail

toArray

public int[] toArray()

returns an array a such that the permutation maps i to a[i-1]

toString

public java.lang.String toString()

a string representing the permutation in cycle notation.

Overrides:

toString in class java.lang.Object