On Fri, Nov 20, 2009 at 01:29:16AM -0800, Nathann Cohen wrote:
> Here it is !! :-)
>
> http://trac.sagemath.org/sage_trac/ticket/7492
Cool, thanks!
I would return the result as an element of:
CombinatorialFreeModule(Permutations(n), F)
where n is the size of the matrix, and F its ground field (among other
advantages, the user can access the coefficients using
result[permutation], ...), or at least as a monomial list:
( (permutation, coeff), ... )
which can be fed into the above.
By the way: watch out for the UTF8 character in Birkoff-VonNeumann
^^^
Cheers,
Nicolas
--
Nicolas M. Thiéry "Isil" <nthi...@users.sf.net>
http://Nicolas.Thiery.name/
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