I think corresponding with the authors is the best approach.  It is too late
to change the article since it's already in press.  The authors may choose
to publish a comment clarifying the results.  If Martin is still
dissatisfied with their response, perhaps he might submit a comment to the
journal (author instructions
here<http://www.elsevier.com/wps/find/journaldescription.cws_home/721195/authorinstructions>
).

I feel there are some additional issues in this paper, even beyond the
possible benchmark errors.  There are major or minor inaccuracies in almost
every section that mentions Octave.  I agree that they should have been
using Octave 3.2.x, which was available well before the January submission
date listed on the paper.  I don't know how they didn't find the
documentation website, and anyway, I don't know why "help" and "lookfor"
don't qualify as online documentation and indexing, or why they are
considered "not user-friendly."  They neglected Java support and the
packages available via Octave-Forge.  I do wish they would make their
methodology (especially their code) public so it can be inspected.  And I
hope they compared the numerical results of the different products to make
sure their code was correct.

But to put my concerns in the proper context, I think it's an excellent idea
for a paper, and I'm glad they pursued it.  It's just the kind of reference
that is needed for scientists and others choosing a computational package.
 I hope they are willing to work through the issues being raised here.

Joe V.

On Sat, Sep 4, 2010 at 1:10 PM, Juan Pablo Carbajal <carba...@ifi.uzh.ch>wrote:

> Martin,
>
> I agree with your comments. If the numbers are wrong there should be a
> proper response and correction. This is why I sent an e-mail to the
> author. Lets see how they react.
>
> JPi
>
>
> On Sat, Sep 4, 2010 at 7:06 PM, Martin Helm <mar...@mhelm.de> wrote:
> > Am Samstag, 4. September 2010, 18:50:40 schrieb Martin Helm:
> >>  (but I am of course not a community representative but a private
> >> person who is concerned about incorrect benchmarks and will ask that not
> >> on behalf my own).
> > Sorry a typo:
> > This last part should of course be:
> > "not on behalf the community but on my own"
> >
> > - Martin
> >
>
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