On Fri, Mar 19, 2010 at 01:00:38PM -0700, bump wrote:
> > I hope other people respond, too. I would suggest looking at
> >
> > <http://www.sagemath.org/doc/reference/coercion.html>
> >
> > and the code in sage/algebras/quatalg (for quaternion algebras): use
> > this as one model for how to implement a noncommutative algebra.
>
> Another place to look is algebras/iwahori_hecke_algebra.py,
> showing how to an algebra as a subclass of CombinatorialFreeModule.
Yup. And the canonical example to look at shall be:
sage: A = AlgebrasWithBasis(QQ).example()
sage: A??
(suggestions, or better patches, to improve that example are welcome)
Cheers,
Nicolas
--
Nicolas M. Thiéry "Isil" <nthi...@users.sf.net>
http://Nicolas.Thiery.name/
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