Hi everyone. I'm having some trouble using g_wham to analyze some results. I
have some simulations from gromacs 3.3 using the pull code. I'm using the
latest version of g_wham to analyze the results, which the help file says is
ok, using the -ip option.
I've gotten almost everything to work, and it generates histograms that seem
perfectly reasonable, but sometimes the free energy it outputs is completely
flat, with each bin having a free energy value of 0.
I've played around with the -b and -e options using only part of my data, and
sometimes it gives non-flat free energies, other times not. I see no logic to
when it works and when it doesn't. My data does have good overlap of the
histograms, and it sometimes converges even when I use data that have no
overlaps, so that doesn't seem to be the problem.
I'm completely confused. Does anyone know what could cause this?
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