galpy.potential.Potential.zforce

Potential.zforce(R, z, phi=0.0, t=0.0)

NAME:

zforce

PURPOSE:

evaluate the vertical force F_z (R,z,t)

INPUT:

R - Cylindrical Galactocentric radius

z - vertical height

phi - azimuth (optional)

t - time (optional)

OUTPUT:

F_z (R,z,phi,t)

HISTORY:

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