[SciPy-user] scipy code contribution question

Bill Baxter wbaxter@gmail....
Thu Jul 5 01:24:12 CDT 2007


On 7/5/07, Bill Baxter <wbaxter@gmail.com> wrote:
>
> On 7/5/07, David Cournapeau <david@ar.media.kyoto-u.ac.jp> wrote:
> >
> > Lev Givon wrote:
> > >
> > As everybody here I guess, IANAL, but the safest thing to do is to
> > explicitely ask the mathworks.
>
>
> The license I got with my copy of Matlab is pretty clear:
>
> """
> Except as expressly provided by this Agreement, including the
> attached Addendum, Licensee may not adapt, translate, or convert
> "M-files", "MDL-files" or "P-code" contained in the Programs in
> order to create software, a principal purpose of which is to
> perform the same or similar functions as Programs licensed by
> MathWorks or which is intended to replace any component of the
> Programs.  The Licensee may not incorporate or use "M-files",
> "P-code", source code, or any other part of the Programs in or
> as part of another computer program without the consent of
> MathWorks.
> """
>
> You can contact them and try, but I don't expect they'd be willing to give
> you explicit consent to translate their M-files in this case, since is
> precisely for the purpose of creating software that does the same thing as
> Matlab.  And even worse it's for creating *free* software that does the same
> thing as Matlab.
>
> On the other hand, if Octave has an implementation of this particular
> function you're after, then you are much more likely to get the developers
> permission to translate it to Python and put it under BSD.
>

And here appears to be just such a beast:

http://velveeta.che.wisc.edu/octave/lists/archive//octave-sources.2001/msg00011.html


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