CYLINDRICAL_HARMONIC
This is part of the symfunc module
It is only available if you configure PLUMED with ./configure –enable-modules=symfunc . Furthermore, this feature is still being developed so take care when using it and report any problems on the mailing list.

Calculate the cylindrical harmonic function

Examples
Glossary of keywords and components
Description of components
Quantity Description
rm the real part of the cylindrical harmonic
im the imaginary part of the cylindrical harmonic
Compulsory keywords
DEGREE the value of the n parameter in the equation above
Options
ARG the input to this function. You can use multiple instances of this keyword i.e. ARG1, ARG2, ARG3...