Use itemize,  ,:

   $ ,: i. 8
1 8


ravel insert works the other way,

   $ ,/ ,: i. 8
8
   
On Tue, 2012-12-11 at 17:23 +0000,
[email protected] wrote:
> Date: Tue, 11 Dec 2012 17:20:05 +0000
> From: Alex Giannakopoulos <[email protected]>
> To: [email protected]
> Subject: [Jprogramming]  Promoting a vector to a matrix (changing
>         rank)
> Message-ID:
>         <CAD=R9JM0E9pugurOr1Cs+oO1
> [email protected]>
> Content-Type: text/plain; charset=ISO-8859-1
> 
> Is there a better way (rhetorical question) to promote an n-element
> vector,
> i.e. of of shape N to a single row matrix of shape (1 N) ?
> The best I have come up with so far is:
>    v2m =. ] $~ 1,$
> 
> I have read up on m"n in the Dictionary, but can't make much sense of
> it.


----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm

Reply via email to