Dear Sage devs,
>From the description of ticket #16577:
Permutation groups used to only handle permutations of 1,..n, and the
methods permute_rows and friends of matrices coped with this with an
ugly and potentially confusing shift by 1. After this ticket,
permutation of 0,...,n-1 are accepted and handled as can be
expected. For permutations of 1..n and subsets thereof, the behavior
is unchanged for backward compatibility.
This ticket also includes the following changes:
A rewrite of the documentation
New documentation on a related method
Code refactorization to avoid some duplication
The implementation of M.permute_rows_and_columns(sigma)
The ticket has been reviewed by Karl and is ready to go. This is just
a final call in case someone would have some more opinion about it.
Speak now or forever hold your peace :-)
Cheers,
Nicolas
--
Nicolas M. Thiéry "Isil" <nthi...@users.sf.net>
http://Nicolas.Thiery.name/
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