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Re: problem plotting "N-d object"


From: Ben Abbott
Subject: Re: problem plotting "N-d object"
Date: Fri, 17 Feb 2012 12:04:43 -0500

On Feb 17, 2012, at 11:59 AM, Jordi Gutiérrez Hermoso wrote:

> On 17 February 2012 11:24, Sergei Steshenko <address@hidden> wrote:
>> IMO in Octave/Matlab world the difference between line and column
>> vectors is a nuisance in many many cases, and I mention vectors
>> because of "transpose not defined" (specifically, "transpose") in
>> the original error message.
> 
> Numpy does have true 1-dimensional vectors, but it still thinks that a
> an array of dimensions [1,1,3] is 3-dimensional. You might be happier
> with Numpy than Octave.
> 
>> I think Octave should automatically apply '(:)' operation whenever
>> row/column trait doesn't matter.
> 
> It is difficult to predict in advance when does it matter if a vector
> is row or column, so we can't do this everywhere. We do do it in
> several instances, but each case requires individual consideration.
> 
> I don't think "isvector" should return "true" if there is only one
> non-singleton dimension. Perhaps it should, but this would break
> Matlab compatibility. You might want to make more liberal use of the
> "squeeze" function if leading singleton dimensions are causing you
> frequent grief.
> 
> - Jordi G. H.

Jordi,

Any concerns about something like the attached ?

Ben

Attachment: changeset.patch
Description: Binary data


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