[GSAS-II] non-negative constraint of occupancy

[Hao Liu]

Hi,

Is there a way to constrain the atomic occupancy to be non-negative?

Thanks,
Hao
-- 
Hao Liu, Ph.D.
Assistant Professor
Chemistry Department, Binghamton University
4400 Vestal Parkway East, NY 13902
Tel: +1 (607) 777-4671
Group website <http://chemiris.chem.binghamton.edu/LIU/liu.html>
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