From: Lyndon Samson <lyndon.samson@...>
Date: 2005-11-06T09:37:38+09:00
Subject: Re: Fun with Permutations

On 11/3/05, Daniel Sheppard <daniels@pronto.com.au> wrote:
> For a little project I've been doing, I've been playing around with
> permutations of arrays, and came across a couple of interesting methods
> that might want to find their way into facets or one of those other
> libraries that are floating around. I'm not sure if it has any
> application outside of trying to save disk/memory space, but here goes.
>
> Part of what I want to do involves storing information about all the

Cool. Although maybe call them unsort :-)

Knuth has a fascile out of TAOCP Vol 4 called Generating All Tuples
and Permutations. You may find worth a look. There is some interesting
stuff in there about the relationship between permutations and English
bell ringers!