Or better,
'' ($ ,) data
(special code)
Henry Rich
On 3/29/2012 6:46 AM, Simon Barker wrote:
> The old APL idiom was
>
> '' {reshape} data
>
> which translates as
>
> '' $ , data
>
> In J.
>
> -----Original Message-----
> From: programming-boun...@jsoftware.com
> [mailto:programming-boun...@jsoftware.com] On Behalf Of Linda Alvord
> Sent: 29 March 2012 09:20
> To: 'Programming forum'
> Subject: [Jprogramming] one element list of an integer to an atom
>
> a=:1$3
> a
> 3
> 3= 2 3 5 3 4
> 0 1 0 1 0
> a= 2 3 5 3 4
> |length error
> | a =2 3 5 3 4
>
> ".a
> |domain error
> | ".a
> a+5
> 8
>
> Clearly, a is numeric. How can I change a to a numeric atom 3 , rather
> than a one element list 3 ?
>
> I need to find where the 3's are in a list. The result of executing some
> expression has produced a one item list of a 3 .
>
> I think I may have known how in APL once upon a time.
>
> Linda
>
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