galpy.potential.Potential.Rforce

Potential.Rforce(R, z, phi=0.0, t=0.0)[source]

NAME:

Rforce

PURPOSE:

evaluate cylindrical radial force F_R (R,z)

INPUT:

R - Cylindrical Galactocentric radius (can be Quantity)

z - vertical height (can be Quantity)

phi - azimuth (optional; can be Quantity)

t - time (optional; can be Quantity)

OUTPUT:

F_R (R,z,phi,t)

HISTORY:

2010-04-16 - Written - Bovy (NYU)