From bug-request at octave dot org Tue Jan 11 15:04:12 2005
Subject: Re: iscell(c{:})
From: Quentin Spencer <qspencer at ieee dot org>
To: "John W. Eaton" <jwe at bevo dot che dot wisc dot edu>
CC: Teemu Ikonen <tpikonen at pcu dot helsinki dot fi>, bug@octave.org
Date: Tue, 11 Jan 2005 15:00:23 -0600

For what it's worth, MATLAB 7.01 returns the following when I run your 
example:

 >> c = {1,2};
 >> iscell(c{:})
??? Error using ==> iscell
Too many input arguments.



John W. Eaton wrote:

>On 11-Jan-2005, Teemu Ikonen <tpikonen at pcu dot helsinki dot fi> wrote:
>
>| Hi all,
>| 
>| I noticed the following behaviour:
>| 
>| > octave --no-init-file
>| GNU Octave, version 2.1.64 (i386-pc-linux-gnu).
>| [...]
>| 
>| octave:1> c = {1,2};
>| octave:2> iscell(c{:})
>| 
>| *** iscell:
>| 
>|  -- Built-in Function:  iscell (X)
>|       Return true if X is a cell array object.  Otherwise, return false.
>|       
>|       
>| 
>| Shouldn't iscell return 0 (or false) when given a cs-list?
>
>In your example, iscell(c{:}) is equivalent to iscell(1,2), and iscell
>is defined to work on a single argument.  Should a usage error result
>in a return value of zero or an error?
>
>jwe
>  
>



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