galpy.potential.evaluateplanarRforces¶
- galpy.potential.evaluateplanarRforces(Pot, R, phi=None, t=0.0)[source]¶
NAME:
evaluateplanarRforces
PURPOSE:
evaluate the Rforce of a (list of) planarPotential instance(s)
INPUT:
Pot - (list of) planarPotential instance(s)
R - Cylindrical radius (can be Quantity)
phi= azimuth (optional can be Quantity)
t= time (optional; can be Quantity)
OUTPUT:
F_R(R(,phi,t))
HISTORY:
2010-07-13 - Written - Bovy (NYU)