[SciPy-User] Return sigmas from curve_fit

Travis Oliphant travis@continuum...
Tue Oct 16 13:11:20 CDT 2012


If I understand your question, then taking the square root of the diagonal elements of the second return from curve_fit. 

np.sqrt(pcov.diagonal())

Should give you the standard deviations...

-Travis

On Oct 16, 2012, at 1:07 PM, Gökhan Sever wrote:

> Hello,
> 
> Is there a way to return standard deviations of the best fit parameters from curve_fit like in IDL's curvefit function?
> 
> 
> PS:
> http://docs.scipy.org/doc/scipy/reference/generated/scipy.optimize.curve_fit.html
> http://www.exelisvis.com/docs/CURVEFIT.html
> 
> -- 
> Gökhan
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