[AMBER] finding angles

From: Vijay Achari <glycoamber.gmail.com>
Date: Thu, 12 Mar 2015 22:00:31 +0800

Dear Sir,

I would like to get the angle between lipid chain vector and Z-axis.

I defined two vectors as below and used vectormath to get the angle.

*vector v1 principal z vector v2 :1.C50 :1.C80vectormath vec1 v1 vec2
v2 out vectorTimesdat name chainAngle dotangle*
But I get error.

Is my definition of Z-axis correct?

Thanks in advance.
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Received on Thu Mar 12 2015 - 07:30:03 PDT
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