2|.(2|.a),4

2007/8/23, Fuchs Ira <[EMAIL PROTECTED]>:
>
> Very elementary question:
>
> Is there a primitive verb which will insert a value in a list?  That
> is, given an index, a new value , and a list, the verb would insert
> the value in the list after the index location.
>
> for example if a=:2 3 5 6 and I want to insert a 4 after in the 3rd
> position, I can say (2{.a) ,4 ,2}.a
>
> Is there a primitive verb to do this?  If not, what is the simplest
> definition for doing this?
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
>



-- 
Björn Helgason, Verkfræðingur
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Tæknikunnátta höndlar hið flókna, sköpunargáfa er meistari einfaldleikans

góður kennari getur stigið á tær án þess að glansinn fari af skónum
          /|_      .-----------------------------------.
         ,'  .\  /  | Með léttri lund verður        |
     ,--'    _,'   | Dagurinn í dag                     |
    /       /       | Enn betri en gærdagurinn  |
   (   -.  |        `-----------------------------------'
   |     ) |        (\_ _/)
  (`-.  '--.)       (='.'=)
   `. )----'        (")_(")
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm

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