What is grid?  Please wait until November 18th for your  single tacit result.

-----Original Message-----
From: [email protected] 
[mailto:[email protected]] On Behalf Of Björn Helgason
Sent: Monday, November 14, 2011 8:14 AM
To: Programming forum
Subject: Re: [Jprogramming] table challenge in simple J

By using grid you get the over and by automatically

grid   a +/ b

2011/11/14 Linda Alvord <[email protected]>

> In the dictionary in the section on "Verbs and Adverbs" there are two
> definitions designed to produce a table:
>
>
>
>       over=:({.;}.)@":@,
>
>       by=:' '&;@,.@[,.]
>
>      a=: 2 3 5
>
>      b=: 0 1 2 3
>
>    a by b over a +/ b
>
> --T-------┐
>
> │ │0 1 2 3│
>
> +-+-------+
>
> │2│2 3 4 5│
>
> │3│3 4 5 6│
>
> │5│5 6 7 8│
>
> L-+--------
>
>
>
> Here is the challenge.  Use the arguments a and b and define a single tacit
> function in "simple J" that does not use  @  and provides the same result.
>
>
>
>    a table b
>
> --T-------┐
> │ │0 1 2 3│
> +-+-------+
> │2│2 3 4 5│
> │3│3 4 5 6│
> │4│4 5 6 7│
> L-+--------
>
>
>
> To give a little time for thought, do not post a solution until November
> 18th. I'll post mine then too.
>
>
>
> Linda
>
> ----------------------------------------------------------------------
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-- 
Björn Helgason, Verkfræðingur
Fornustekkum II
781 Hornafirði,
t-póst: [email protected]
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twitter: @flugfiskur
http://groups.google.com/group/J-Programming


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  |
   (   -.  |        `-----------------------------------'
   |     ) |         (\_ _/)
  (`-.  '--.)       (='.'=)   ♖♘♗♕♔♙
   `. )----'        (")_(") ☃☠
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