galpy.potential.Potential.zforce¶
-
Potential.
zforce
(R, z, phi=0.0, t=0.0)¶ NAME:
zforcePURPOSE:
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)