galpy.actionAngle.actionAngle.actionsFreqs

actionAngle.actionsFreqs(*args, **kwargs)

Evaluate the actions and frequencies (jr,lz,jz,Omegar,Omegaphi,Omegaz)

Parameters:

• *args (tuple) –

  Either: a) R,vR,vT,z,vz[,phi]:

  1. floats: phase-space value for single object (phi is optional) (each can be a Quantity)

  2. numpy.ndarray: [N] phase-space values for N objects (each can be a Quantity)

  2. Orbit instance: initial condition used if that’s it, orbit(t) if there is a time given as well as the second argument

• **kwargs (dict) – Any other keyword arguments are passed to the _actionsFreqs method.

Returns:

(jr,lz,jz,Omegar,Omegaphi,Omegaz)

Return type:

tuple

Notes

• 2014-01-03 - Written for top level - Bovy (IAS)