While a ,"0/ b might be the best solution, a closer approximation of
the APL2 a °. , b would be a ,&.>/ b
That said, you might also want to consider {a;b
(Or, the mostly equivalent {a;<b)
Thanks,
--
Raul
On Sat, Apr 2, 2016 at 3:11 AM, Gian Medri <[email protected]> wrote:
> Hi !
>
> In J the outer product has the form: a foo/ b.
> It doesn't work for comma.
> Example
> a=: i. 3
> b=: i.4
> [ a ,/ b
> 0 1 2 0 1 2 3
> APL
> a °. , b
> 0 0 0 1 0 2 0 3
> 1 0 1 1 1 2 1 3
> 2 0 2 1 2 2 2 3
>
> 3 x 4 boxed result
>
> Can I have the same result in J as easily as in APL?
> Best regards
> ----------------------------------------------------------------------
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