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 <[email protected]> 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
