galpy.potential.evaluateplanarPotentials

galpy.potential.evaluateplanarPotentials(R, Pot, phi=None, t=0.0, dR=0, dphi=0)

NAME:

evaluateplanarPotentials

PURPOSE:

evaluate a (list of) planarPotential instance(s)

INPUT:

R - Cylindrical radius

Pot - (list of) planarPotential instance(s)

phi= azimuth (optional)

t= time (optional)

dR=, dphi= if set to non-zero integers, return the dR,dphi’t derivative instead

OUTPUT:

Phi(R(,phi,t))

HISTORY:

2010-07-13 - Written - Bovy (NYU)