From: Rizal Sinaga (
Date: Thu Feb 02 2023 - 18:12:52 CST

Dear all,
I am working on parameterization using fftk. I found the tutorial using
fftk and just did the dihedral optimization. However, I got a problem
during improper fitting. I wonder if there is a tutorial for improper

I would be grateful if someone could help me with this.