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Re: Simple syntax question dealing with arrays [message #41585]

Mon, 15 November 2004 10:17

Benjamin Hornberger is currently offline

Benjamin Hornberger
Messages: 258
Registered: March 2004

Senior Member

Nuno Oliveira wrote:
> I do believe that maybe you can give a quick answer.
>
> IDL> a = [[1], [1]]
> IDL> help, a
> A INT = Array[1, 2]
>
> IDL> a =[ [1,1] ]
> IDL> help, a
> A INT = Array[2]
>
> How can I make it Array[2,1] ?
>
>
> Thanks in advance,
>
> N.
>

IDL will delete trailing dimensions of size 1. Annoying, right? You can
do a=reform(a,2,1), but after certain operations (I'm not sure which
ones) your second dimension will be lost again.

Benjamin

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