[Pw_forum] Imposed symmetry

Timothy Mason thmason24 at yahoo.com
Fri Feb 6 01:14:39 CET 2009


Dear Stefano,

>> ii) some noise comes >in unporposedly, because of numerical accuracy >>(this is often coped is, >again as suggested by Gabriele, by explicitly >>>simmetrizing the resulting >forces), 

does this imply that a good fix to the checkallsym error in vc-relax is to increase ecut to avoid numerical errors that would break the symmetry during vc-relax?



Tim Mason
University of Missouri St. Louis



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