Ed

  In YOUR message as I received it, there are non-displaying characters:

  a=.1 : 0
​[here]:
​​[here]x u y
[here]) 

|spelling error
|   ​x u y
|   ^
|   a=.    1 :0 

  Illegal characters cause spelling errors.

 ~ Gilles

---------- Original Message -----------
From: Edward Mokurai Cherlin <moku...@sugarlabs.org>
To: Programming forum <programming@jsoftware.com>
Sent: Tue, 14 Feb 2012 14:12:59 -0500
Subject: [Jprogramming] Explicit adverb producing dyad?

> I am unable to determine how to write an explicit J adverb that
> produces a dyadic verb. There is an example of an explicit 
> conjunction at
> 
> http://www.rogerstokes.free-online.co.uk/13.htm
> 
>    H =: 2 : 0
> :
> (u x) + (v y)
> )
>    2 (*: H %:) 16
> 8
> 
> and other such constructions work with no problems.
> 
> However,
> 
>    a=.1 : 0
> ​:
> ​​x u y
> ​)
> |spelling error
> |   ​x u y
> |   ^
> |   a=.    1 :0
> 
>    a=.1 : 'x u y'
>    a
> 1 : 'x u y'
>    2 +a 3
> |domain error
> |   2    +a 3
> 
> Of course, I could write
> 
> a=.1 : '[ u ]'
> 
> but that would require reordering topics in the J version of 
> Iverson's Algebra: An Algorithmic Treatment that I am editing, and 
> would still leave the mystery.
> -- 
> Edward Mokurai 
> (默雷/धर्ममेघशब्दगर्ज/دھرممیگھشبدگر ج) Cherlin Silent Thunder is my name, and
Children are my nation. The Cosmos is my dwelling place, the Truth my
destination. http://wiki.sugarlabs.org/go/Replacing_Textbooks
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
------- End of Original Message -------

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