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Re: [Help-gsl] Knuth Shuffling a list twice with no identical number at
Re: [Help-gsl] Knuth Shuffling a list twice with no identical number at identical position
Fri, 20 Feb 2009 09:53:29 +0000
Wanderlust/2.14.0 (Africa) Emacs/22.2 Mule/5.0 (SAKAKI)
At Thu, 19 Feb 2009 16:22:49 +0530,
Awhan Patnaik wrote:
> I invoked gsl_ran_shuffle() once on each array in succession but was not
> able to achieve the desired result every time. A non-elegant (ugly) solution
> is to compare the lists and shuffle any one of them until there is no match
> at identical positions.
> Any help or pointer in this regard ?
Maybe the section on cyclic permutations in the manual can be of
use--you'd want to generate a random cyclic permutation without any
singleton elements to generate the second array from the first after
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