This is part of the colvar module

Calculate the volume of the simulation box.

Examples

The following input tells plumed to print the volume of the system

Click on the labels of the actions for more information on what each action computes

vol: VOLUME The VOLUME action with label vol calculates a single scalar value
PRINT ARGthe input for this action is the scalar output from one or more other actions. 
=vol The PRINT action with label

Glossary of keywords and components

Options

NUMERICAL_DERIVATIVES

( default=off ) calculate the derivatives for these quantities numerically