[Jprogramming] Why won;t this work?

[David Vaughan]

Check the shape of 1{.r d. I could be wrong and I can't check for myself right now, but I thought that would give you a list of one item, not a scalar. 

___________________________

David Vaughan

On 23 Dec 2011, at 07:41, "Linda Alvord" <lindaalvord at verizon.net> wrote:

> 
>   d=:6 _5 7 3
>   r=: 13 :'(<./y),>./y'
>   r
> <./ , >./
>   r d
> _5 7
>  (-i.10)
> 0 _1 _2 _3 _4 _5 _6 _7 _8 _9
>  1{.r d 
> _5
>  (-i.10)<_5
> 0 0 0 0 0 0 1 1 1 1
> 
>   (-i.10)<1{.r d
> |length error
> |   (-i.10)    <1{.r d
> 
>   (-i.10)<(1{.r d)
> |length error
> |   (-i.10)    <(1{.r d)
> 
>   I want something like this, but this is a simple example of what doesn't
> work. 
> 
> Linda
> 
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm