Or simply box each row.

,.<"1>tst

┌───────────────────┐

│1 1 0 0 0 0 1 1 0 0│

├───────────────────┤

│1 1 1 0 1 1 1 1 0 0│

├───────────────────┤

│0 0 0 0 0 1 0 1 1 0│

└───────────────────┘


On Tue, Apr 10, 2018 at 10:44 AM, Raul Miller <rauldmil...@gmail.com> wrote:

> To get that exact result, I'd use
>    f=: ,@<@;"1
>
> but I believe Don Guinn's proposal (f=: >) would be more useful.
>
> Thanks,
>
> --
> Raul
>
> On Tue, Apr 10, 2018 at 12:35 PM, Skip Cave <s...@caveconsulting.com>
> wrote:
> > NB.I have an array of boxed boolean values called tst:
> > $tst
> >
> > 132 30
> >
> > NB. I look at the first three rows of tst:
> >
> > 3{. tst
> >
> > ┌─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┐
> >
> > │0│1│1│1│0│1│1│0│0│1│0│1│1│0│1│1│1│1│0│0│0│1│1│0│0│1│1│1│ │ │
> >
> > ├─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┤
> >
> > │0│1│1│1│0│1│0│1│1│0│0│1│0│1│0│1│1│ │ │ │ │ │ │ │ │ │ │ │ │ │
> >
> > ├─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┼─┤
> >
> > │0│1│1│0│1│0│1│0│1│0│1│0│1│0│1│0│0│1│0│1│0│1│0│1│0│0│0│1│0│0│
> >
> > └─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┘
> > NB. I want to remove the individual boxing:
> >
> > f 3{. txt
> >
> > ┌───────────────────────────────────────────────────────────┐
> >
> > │0 1 1 1 0 1 1 0 0 1 0 1 1 0 1 1 1 1 0 0 0 1 1 0 0 1 1 1 │
> >
> > ├───────────────────────────────────────────────────────────┤
> >
> > │0 1 1 1 0 1 0 1 1 0 0 1 0 1 0 1 1 │
> >
> > ├───────────────────────────────────────────────────────────┤
> >
> > │0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 1 0 1 0 1 0 0 0 1 0 0│
> >
> > └───────────────────────────────────────────────────────────┘
> >
> > NB. How do I construct the unboxing verb 'f'?
> >
> > Skip
> > ----------------------------------------------------------------------
> > For information about J forums see http://www.jsoftware.com/forums.htm
> ----------------------------------------------------------------------
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