Can lammps calculate vibration frequencies and modes?

LAMMPS LAMMPS General Discussion
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1

I got the dynamics matrix via the dynamics_matrix command, but I was wondering if lammps could implement a diagonalization of the dynamics matrix to get the vibrational eigenfrequencies and corresponding modal vectors.

Goal:
I would like to get the displacement vectors corresponding to each eigenfrequency, so that I can draw the displacement vectors corresponding to each mode on ovito (also, I would like to ask how such customized vectors can be drawn on ovito)

2

All features that are available in LAMMPS are documented. What is not documented either needs to be implemented or can be achieved by post-processing the generated data.