galpy.potential.evaluaterforces¶
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galpy.potential.
evaluaterforces
(Pot, R, z, phi=None, t=0.0, v=None)[source]¶ NAME:
evaluaterforcesPURPOSE:
convenience function to evaluate a possible sum of potentialsINPUT:
Pot - a potential or list of potentials
R - cylindrical Galactocentric distance (can be Quantity)
z - distance above the plane (can be Quantity)
phi - azimuth (optional; can be Quantity)
t - time (optional; can be Quantity)
v - current velocity in cylindrical coordinates (optional, but required when including dissipative forces; can be a Quantity)
OUTPUT:
F_r(R,z,phi,t)HISTORY:
2016-06-10 - Written - Bovy (UofT)