[SciPy-user] Automatic MATLAB to scipy/numpy/pylab conversion

Ivo Maljevic ivo.maljevic@gmail....
Wed Jul 9 09:13:29 CDT 2008


If they are matlab experts than maybe it will be enough to give them the
matlab-python cross reference:

http://mathesaurus.sourceforge.net/matlab-python-xref.pdf

Ivo

2008/7/9 anirudh vij <anirudhvij@gmail.com>:

> On Wed, Jul 9, 2008 at 3:44 PM, David Huard <david.huard@gmail.com> wrote:
> > Hi,
> >
> > As a ex-matlab user, I remember being in the position where I would
> either
> > 1. translate matlab codes to python, 2. rewrite the whole thing
> Python-like.
> > I always ended up rewriting the code from scratch because 1. it's a great
> > way to learn python, and 2. there things that you can do in Python that
> you
> > don't even dream are possible in matlab, so it's worth rethinking the
> code
> > structure.
> >
>
> I already know python(i think :) ). My purpose is to preprocess text
> from matlab so that i dont have to do the bullwork of typing range(n)
> everywhere where 1:n is used etc.
>
> I agree python is millions of times superior to matlab. It has to be,
> since it is a _real_ programming language, unlike matlab.
>
> > Besides, a translator that does half the job will likely be seen rather
> as
> > buggy software than as a useful tool for translation. I suggest you look
> at
> > ways to interface matlab and python to launch matlab scripts from python.
> >
>
> I want the guys in my workplace to make the switch from matlab to
> python. Thanks to large scale brainwashing(by me), they are receptive
> to the idea :)
>
> However, it is too much to expert matlab gurus to leave their
> environment of choice and make the switch in a week. So, I hope to use
> this tool/module to ease the translation. As a nice side effect, it
> also help me right away in changing stuff from matlab to scipy.
>
> > Sorry to be so pessimistic,
> >
>
> I can understand your pessimism. But this does not replace the human
> programmer, but makes his life less dull (hopefully!), by doing the
> boring work for him.
> > David
> >
> >
> > 2008/7/9 anirudh vij <anirudhvij@gmail.com>:
> >>
> >> Hi,
> >>
> >> I have a bunch of matlab scripts that I want to convert to
> >> scipy/numpy/pylab. There is a nice resource at
> >> mathesaurus.sourceforge.net
> >>
> >> However, it is tedious and error prone to do these conversions manually.
> >> For eg:
> >>
> >> 1. there is no "end" in python. So all "end" statements from matlab
> >> need to be deleted
> >> 2. the syntax "for i=1:10" has to be changed to "for i in range(1,11):"
> >> 3. special functions from matlab need to be converted to their scipy
> >> equivalents.
> >> 4. For comments "%" must be replaced by "#"
> >> 5. for array scripting "(<index>)" should be replaced by "[<index>]"
> >> 6. Many others........
> >>
> >> To my mind these examples are prime contenders for automation. A
> >> reasonably small python/perl script can do the above(it will get more
> >> complicated ofcourse, but the principle is the same).
> >>
> >> I realize that such a script/module wont be a complete replacement. A
> >> human will still need to look at the output python file and edit it.
> >> But the script/module can remove the bullwork and leave the human
> >> programmer to do more productive stuff.
> >>
> >> Is there a pre-existing project that accom,plishes this kind of stuff.
> >> If not, I would like to start one. Feedback/Suggestions will be very
> >> helpful.
> >> _______________________________________________
> >> SciPy-user mailing list
> >> SciPy-user@scipy.org
> >> http://projects.scipy.org/mailman/listinfo/scipy-user
> >
> >
> > _______________________________________________
> > SciPy-user mailing list
> > SciPy-user@scipy.org
> > http://projects.scipy.org/mailman/listinfo/scipy-user
> >
> >
>
> cheers,
> Anirudh.
> _______________________________________________
> SciPy-user mailing list
> SciPy-user@scipy.org
> http://projects.scipy.org/mailman/listinfo/scipy-user
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://projects.scipy.org/pipermail/scipy-user/attachments/20080709/b16f696d/attachment-0001.html 


More information about the SciPy-user mailing list