[SciPy-Dev] Levenberg-Marquardt Implementation

[Sturla Molden]

Sturla Molden <sturla.molden at gmail.com> wrote:
> william ratcliff <william.ratcliff at gmail.com> wrote:
>> This issue does seem to come up regularly.   There is a BSD licensed
>> version:
>> <a href="https://github.com/newville/lmfit-py">https://github.com/newville/lmfit-py</a>
>> 
>> For mpfit.py, at one point, I got license permissions for scipy from the
>> original authors, but no one wanted to include it.   Has that changed?  I
>> haven't followed the issue since 2012.
> 
> I just looked briefly at the code. It seems to use scipy.optimize.leastsq
> for Levenberg-Marquardt, so what is the extra benefit?

For the record: scipy.optimize.leastsq and scipy.optimize.curve_fit are
Levenberg-Marquardt solvers. 

Sturla