f=: ]\
or
   f=: ,\
or
   f=: +\

I imagine...

-- 
Raul


On Sat, Apr 7, 2018 at 12:03 PM, Roger Hui <rogerhui.can...@gmail.com> wrote:
> It's called "infix".
>
>    3 <\ 'abcdefg'
> ┌───┬───┬───┬───┬───┐
> │abc│bcd│cde│def│efg│
> └───┴───┴───┴───┴───┘
>    3 <\ 7 5 $ 'the notorious lonesome stranger'
> ┌─────┬─────┬─────┬─────┬─────┐
> │the n│otori│ous l│oneso│me st│
> │otori│ous l│oneso│me st│range│
> │ous l│oneso│me st│range│rthe │
> └─────┴─────┴─────┴─────┴─────┘
>
>
>
> On Sat, Apr 7, 2018 at 8:57 AM, Skip Cave <s...@caveconsulting.com> wrote:
>
>> How do I implement this sliding window verb 'f'? Where is this kind of
>> function described in the J documentation? Search keywords?
>>
>> 2 f 3 5 6 3 8 5 3 7
>>
>> 3 5
>>
>> 5 6
>>
>> 6 3
>>
>> 3 8
>>
>> 5 3
>>
>> 3 7
>>
>>
>> 3 f 3 5 6 3 8 5 3 7
>>
>> 3 5 6
>>
>> 5 6 3
>>
>> 6 3 8
>>
>> 3 8 5
>>
>> 8 5 3
>>
>> 5 3 7
>>
>> Skip
>>
>> Skip Cave
>> ----------------------------------------------------------------------
>> For information about J forums see http://www.jsoftware.com/forums.htm
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm

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