AMBER Archive (2003)

Subject: Velocity

From: A. Hungie (hungie01_at_hotmail.com)
Date: Mon Feb 17 2003 - 10:01:04 CST

Dear All,

I have done MD simulations of DNA. In my trajectory file, there were only
coordinates of all atoms and box size, no velocity. Could anyone tell me how
I can calculate velocity of any atom? I would like to know, for example,
velocity of atom N9 of residue 4 at the time 200th ps. I don't want to
re-run the production to store coordinates and velocities.
Thank you very much in advance.

Hungie

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