cell-array returned by anonymous function must be stored in variable before it can be indexed

[Olaf Till]

On Thu, Apr 03, 2008 at 01:15:09PM -0400, John W. Eaton wrote:
Content-Description: message body text
> On  3-Apr-2008, Olaf Till wrote:
> 
> | Octave version: 3.0 (on Debian stable, from a package in unstable)
> | 
> | If an anonymous function returns a cell-array, it can not be indexed
> | directly:
> | 
> | octave3.0:18> a = @ (x) {x}
> | a =
> | 
> | @(x) {x}
> | 
> | octave3.0:19> a (1){1}
> | error: scalar cannot be indexed with {
> | 
> | but only indirectly:
> | 
> | octave3.0:19> t = a (1)   
> | t =
> | 
> | {
> |   [1,1] =  1
> | }
> | 
> | octave3.0:20> t{1}
> | ans =  1
> | octave3.0:21> 
> | 
> | Such issues (having to store in a temporary variable before indexing)
> | are typical in Matlab, I saw it as an advantage of Octave that direct
> | indexing is possible. Maybe it is possible to provide that feature
> | (direct indexing) under all circumstances ...
> 
> Please try the following change.
> 
> Thanks,
> 
> jwe

With the patch, it is fixed. Thank you.

Regards, Olaf