[RMCProfile-users] Fit optimisation chimin
Frederick Peter Marlton
fredm at inano.au.dk
Wed Feb 27 10:21:23 GMT 2019
Hi all,
I was wondering if someone could shed some more light on the FIT_OPTIMIZATION keyword in RMCProfile?
In particular I'm interested in the chimin value. Is this the chi^2 that takes into account the weighting values? And hence can be obtained from a previous refinements ".chi2" file (assuming weights haven't changed). Or is it an unweighted chi^2?
Also, does this keyword stop a refinement once all convergence criteria have been reached (in the case of multiple data sets)?
Thanks,
Fred Marlton
Postdoctoral Fellow
Dept. of Chemistry & iNANO
Aarhus University | Denmark
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