Running minimize() with verbosity

[Jonno Hedger]

Hi,

I've been runninga multi dataset fit by following very closely to this example (https://lmfit.github.io/lmfit-py/examples/example_fit_multi_datasets.html) 

My code is structured exactly the same and called in the same manner, and it is working well. 

What I have not been able to manage is getting minimize() to print out updates during the fit. I would like to be able to run minimize() with some verbosity. Is this possible? 

Thanks for the help,

Jonathan

[Renee Otten]

Hi Jonathan, 

If the SciPy optimizer you’re using has the option to be verbose you can certainly activate that, just pass the correct variable to the underlying minimizer using the “fit_kws” argument to the “minimize” function (https://lmfit.github.io/lmfit-py/fitting.html#the-minimize-function).

Otherwise you can print output during the fit using the “iter_cb” variable - see, for example, https://lmfit.github.io/lmfit-py/examples/documentation/model_with_iter_callback.html

Hope that helps, 

Renee

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