On Friday, March 6, 2015 at 1:35:12 PM UTC-8, Travis Scrimshaw wrote:
>
> The lower-case version is meant to be a functorial construction and
> IIRC eventually replace the CamelCase version. The closest thing to getting
> it to work currently is:
>
> sage: C = cartesian_product([Set([1,2,3]), Set([1,2,3])])
>
> but it currently doesn't have a working iterator.
>
sage: C = cartesian_product([FiniteEnumeratedSet([1,2,3]),
FiniteEnumeratedSet([1,2,3])])
works better. Good thing we have tab-completion.
John
On Friday, March 6, 2015 at 1:19:14 PM UTC-8, Volker Braun wrote:
>
> I've never used the lower-case version, but always this:
>
> sage: CartesianProduct([1,2,3], [1,2,3])
> Cartesian product of [1, 2, 3], [1, 2, 3]
> sage: list(_)
> [[1, 1], [1, 2], [1, 3], [2, 1], [2, 2], [2, 3], [3, 1], [3, 2], [3, 3]]
>
>
>
> On Friday, March 6, 2015 at 8:00:06 PM UTC+1, William wrote:
>>
>> Hi,
>>
>> I'm unhappy that this doesn't work:
>>
>> sage: cartesian_product([[1,2,3], [1,2,3]])
>> BOOM!
>>
>> It seems clear from the docstring that this not working is
>> intentional. Is anybody opposed to making the above work (again? I
>> think it did for years, but not sure).
>>
>> William
>>
>>
>>
>> --
>> William (http://wstein.org)
>>
>
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