Yes agree, I used to use odo, but in showing others I find { permutes the
subjects directly (eg if we did the same for a char string “ate”)
{3$<‘eat'
This appears more intuitive to just sample, and produce from the subject data
directly.
Cheers, Rob
> On 20 May 2020, at 4:53 pm, Skip Cave <[email protected]> wrote:
>
> Rob,
>
> Another way to solve the same house number problem is the odometer verb:
>
> odo =:#:i.@(*/)
>
> 3 9${3+odo 3#3
>
> ┌─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┐
>
> │3 3 3│3 3 4│3 3 5│3 4 3│3 4 4│3 4 5│3 5 3│3 5 4│3 5 5│
>
> ├─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┤
>
> │4 3 3│4 3 4│4 3 5│4 4 3│4 4 4│4 4 5│4 5 3│4 5 4│4 5 5│
>
> ├─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┤
>
> │5 3 3│5 3 4│5 3 5│5 4 3│5 4 4│5 4 5│5 5 3│5 5 4│5 5 5│
>
> └─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┘
>
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