AMBER: eigenvalues in vector of ptraj

From: Hwankyu Lee <>
Date: Wed, 1 Jun 2005 08:53:51 -0400

Dear Amber-users,

When I used ptraj script like below, I was able to see eigenvalues for
each trajectory. What are those eigenvalues about? Unit is A**? Do
they mean eigenvalues of the moment of inertia tensor? If not, how can
I measure them?
trajin test.mdcrd
prnlev 6
vector vector1 :1-9 principal x out vec1
vector vector1 :1-9 principal y out vec2
vector vector1 :1-9 principal z out vec3


The AMBER Mail Reflector
To post, send mail to
To unsubscribe, send "unsubscribe amber" to
Received on Wed Jun 01 2005 - 14:53:00 PDT
Custom Search