[gmx-users] Merge two trajectories

Mark Abraham mark.abraham at anu.edu.au
Fri Feb 29 07:30:26 CET 2008

> Dear All,
> We have carried out two simulations for the same period of time and same
> time-step. We want to do PCA using both trajectories. We would like to
> know how to merge the two different trajectory files. The command we found
> was "concatenate", but it works only if time-points of the two
> trajectories are different.

If you're not after concatenation, or trjcat -settime doesn't help you,
then you'll have to explain what you mean by "merging" two trajectory


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