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random derangement

• To: mathgroup at smc.vnet.net
• Subject: [mg37416] random derangement
• From: "DIAMOND Mark R." <dot at dot.dot>
• Date: Sun, 27 Oct 2002 06:33:16 -0500 (EST)
• Organization: The University of Western Australia
• Sender: owner-wri-mathgroup at wolfram.com

This is not quite aposite to either NG, but there appear to be none better
... My apologies.

I am searching for an algorithm for producing a random derangement of, for
instance, the integers 1 to approx 10000.

I thought Skiena's site might have such an algorithm, but I could not locate
one. ... Producing all derangements and choosing one at random is marginally
beyond the capacity of my machine :-)

Cheers,


Mark R. Diamond

• Follow-Ups:
  • Re: random derangement
    • From: Daniel Lichtblau <danl@wolfram.com>