[Python-modules-team] Bug#474930: python-scipy: docstring for leastsq (in scipy.optimize) incorrectly describes 'ier'

Ondrej Certik ondrej at certik.cz
Tue Apr 8 20:06:38 UTC 2008


On Tue, Apr 8, 2008 at 1:24 AM, Andrzej Novak <novakyu at gmail.com> wrote:
> Package: python-scipy
>  Version: 0.6.0-5.1
>  Severity: minor
>
>
>  Docstring for leastsq incorrectly describes the returned variable
>  ier. It states,
>
>     ier -- an integer flag.  If it is equal to 1 the solution was
>            found.  If it is not equal to 1, the solution was not
>            found and the following message gives more information.
>
>  This is correct for "fsolve"; however, for leastsq, ier values of 1, 2,
>  3 and 4 all indicate no errors (see the definition of "errors" within
>  the function in
>  /usr/share/pycentral/python-scipy/site-packages/scipy/optimize/minpack.py).

Thanks Andrzej for the bug report. This still applies to the latest
svn upstream, so I just reported it:

http://projects.scipy.org/pipermail/scipy-dev/2008-April/008754.html

Ondrej





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