On Wed, Nov 06, 2013 at 06:41:28PM +0100, Nathann Cohen wrote:
> ...
> a) G.cartesian_product()
> b) G.CartesianProduct() (yes, it has a .cartesian_product method
> c) The global CartesianProduct function
>
> sage: G2=CartesianProduct(G,G)
> sage: G2((1,1))
> [1, 1]
> sage: G2((1,1))+G2((1,1))
> TypeError: can only concatenate list (not "CombinatorialObject") to
> list
> sage: G2((1,1))*G2((1,1))
> TypeError: unsupported operand type(s) for *:
> 'CombinatorialObject' and 'CombinatorialObject'
For the record, I created #15425 for this and further issues with
cartesian products.
Cheers,
Nicolas
--
Nicolas M. Thiéry "Isil" <nthi...@users.sf.net>
http://Nicolas.Thiery.name/
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