isecn/ y inserts verb isecn between the items of y

Consider

     |: e ,. pi  NB. items are e and pi
  2 7 1 8 2 8 1 8 3
  3 1 4 1 5 9 2 6 5

     isecn/ |: e ,. pi
  1 2 3


On 5/31/2012 9:48 AM, Graham Parkhouse wrote:
> Can anyone help me to understand where I am going wrong?
>
>     e=: 2 7 1 8 2 8 1 8 3
>     pi=: 3 1 4 1 5 9 2 6 5
>     isecn=: ([: /:~ [: ~. e. # [)"1     NB. Intersection of the two sets
>     e isecn pi
> 1 2 3
>     pi isecn e
> 1 2 3
>     isecn/ e,:pi
> 1 2 3
>     isecn/"1 e,.pi
>
>
>
>
>
>
>
>
> This last sentence give me 9 blank lines. I expected and wanted 1 2 3. Is my
> view of rank and frames too simplistic?
>
> Regards
>
> Graham
>
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