unit_group

sisl.unit.unit_group(unit, tbl=None)

The group of units that unit belong to

Parameters

• unit (str) – unit, e.g. kg, Ang, eV etc. returns the type of unit it is.

• tbl (dict, optional) – dictionary of units (default to the global table)

Examples

>>> unit_group('kg')
'mass'
>>> unit_group('eV')
'energy'