[gmx-users] Re: restraint-lambdas for position restraints in hamiltonian exchange

2013-08-03 Thread Dejun Lin
So I take it that in the position restraint case (not COM-pulling), where the reference positions are determined by the starting structure instead of a B-state topology, the reference positions won't be swapped ? 2013/8/3 Michael Shirts-2 [via GROMACS] < ml-node+s5086n5010324...@n6.nabble.com> >

[gmx-users] Re: restraint-lambdas for position restraints in hamiltonian exchange

2013-08-07 Thread Dejun Lin
Hi Micheal, Sorry for keep bugging you about this but I want to make sure I'm doing what I think I'm doing :) I did some test on the following setup. restraint-lambdas = 0.3 0.29 (essentially no difference) on position restraints. replica 0 starts in structure A and replica 1 in structure B.

[gmx-users] Re: restraint-lambdas for position restraints in hamiltonian exchange

2013-08-12 Thread Dejun Lin
Hi Michael, After looking at the codes, it seems to me that the exchange scheme I posted previously incurs violation of detailed balance, which seems to be a bug. I'll really appreciate it if you can clarify this. Let me re-state what I was trying to do. I have the following 7-component restraint

Re: [gmx-users] Re: restraint-lambdas for position restraints in hamiltonian exchange

2013-08-03 Thread Michael Shirts
That is correct. Such a functionality wouldn't be that hard to implement - but there are a long list of easy functionalities to be implemented. You can submit a request to redmine.gromacs.org so that the request is archived. On Sat, Aug 3, 2013 at 6:12 PM, Dejun Lin wrote: > So I take it that in