.. _cosmphidisk: Cos(m phi) disk potential ============================= Generalization of the :ref:`lopsided ` and :ref:`elliptical ` disk potentials to any m and to allow for a break radius within which the radial dependence of the potential changes from R^p to R^-p. .. autoclass:: galpy.potential.CosmphiDiskPotential :members: __init__