回复： Re: [gmx-users] Is 2D projection
zhaoxiitc2002 at yahoo.com.cn
Sun Aug 13 12:58:01 CEST 2006
Dear sir : Can I understand" 2D projection = Component (PC) Probability Distributions P(v1,v2)"? If this is a true, and how to define the Pmax in detail?
Thank you in advance!
Nguyen Hoang Phuong <phuong at theochem.uni-frankfurt.de> 写道：
> Dear gmx users,
> Does the 2D projection plot has something to do with convergence of the
> trajectory? If so, what kind of shape of plot shows the trajectory is
> Normally, I use RMSD plot to see if the trajectory tends to converge. Now
> my concern is how to see whether trajectory is conserved or not based on
> 2D projection analyses.
> Thanks in advance,
you can, for example, have a look at the 2D projection of the trajectory
onto the first two principal components obtained from the principal
component analysis. In this paper Proteins 2005; 60:485 we used this kind
of map to check the convergence of the simulation obtained from a replica
exchange simulation with the counterpart obtained from high temperature, normal simulation.
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