Set positivity values automatically (!824) · Merge requests · Emanuele Roberto Nocera / nnpdf

Emanuele Roberto Nocera requested to merge n3fit_auto_positivity into master Jul 02, 2020

Created by: scarlehoff

This allows the user to not set any positivity initial or multiplier and use instead the ones in the positivity dictionary from the runcard.

This option was "anticipated" in a runcard comment but was never implemented (it was, in a cheap form, and I removed it because it was ugly).

I guess this is one of the many things that n3fit should not do but rather the python object coming from validphys should tell n3fit "Hi, I am a positivity observable and this is the initial value and this is the multiplier"? But nnfit didn't do positivity like that so it didn't make sense before.

Note: still going through the #775 PR, almost done now.

Set positivity values automatically

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