It's not "({.# b. 0)   - that was my blunder - it's just

"#

Henry Rich

On 1/2/2013 3:31 AM, Linda Alvord wrote:
> Also:
> 
>     f=: 13 :'x #@# y'
>     a f b
> 1 3 1 1
>     g=: 13 :'#x#y'
>     a g b
> 4
>     h=: 13 :'x([:##)"({.# b. 0)y'
>     a h b
> 4
>    i=: 13 :'x #@:# y'
>     a i b
> 4
>     f
> #@#
>     g
> [: # #
>     h
> ([: # #)"_
>     i
> #@:#
> 
> Linda
> 
> 
> -----Original Message-----
> From: [email protected] [mailto:programming-
> [email protected]] On Behalf Of Linda Alvord
> Sent: Wednesday, January 02, 2013 3:14 AM
> To: [email protected]
> Subject: [Jprogramming] atop continues to puzzle me
> 
> Plain text may be better:
> 
> a=:?>:i.6
> ]a=:=a
> ]b=:?>:i.6
> a #@# b
> NB.  x u@v y ↔ u x v y
> #a#b
> NB.  ([: f g)"({. g b. 0) <=> f@g
> a(([:##)"({.# b. 0))b
> a #@:# b
> 
> Linda
> 
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
> 
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
> 
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm

Reply via email to