Re: simple permutation generation

[Ryszard Czerminski <ryszard@moldyn.com>]

Python does have such capability

script

#!/usr/bin/env python
from RandomArray import permutation
for i in range(9):
   p = permutation(13)
   print 'p=',p

produces

p= [10  3 11  1  0  9  6  4 12  2  5  7  8]
p= [ 6 12  9  5  3  8  2  1 11 10  7  4  0]
p= [ 0  4  6  8  1 11 12  9  3 10  5  7  2]
p= [ 3  6  8  1 12  9  4  2 10  0 11  5  7]
p= [ 3  5 12 10  1  0  4  8  7  2  9  6 11]
p= [ 7  0  3  6  1 10  2 11  8  5  9 12  4]
p= [ 6  7 12  3  1  5  8 10  4 11  2  9  0]
p= [10  8  7  4  5  3  0 11  1  6  2 12  9]
p= [ 9  6 11 10  8  5 12  4  2  3  0  1  7]

Relevant python code is in NumPy extension 
http://www.python.org (Python at LLNL).

If you do not find anything to better suite
your needs, and if I can be of any help with this
let me know.

R

Ryszard Czerminski         phone : (617)354-3124 x 10
Moldyn, Inc.               fax   : (617)491-4522
955 Massachusetts Avenue   e-mail: ryszard@moldyn.com
Cambridge MA, 02139-3180   http://www.moldyn.com

On Tue, 6 Apr 1999, Mark Galassi wrote:

> 
> Amigos, does anyone know of a simple library to generate permutations
> of (1..n)?