galpy.potential.planarPotential.__call__¶
-
planarPotential.
__call__
(R, phi=0.0, t=0.0, dR=0, dphi=0)¶ NAME:
__call__PURPOSE:
evaluate the potentialINPUT:
R - Cylindrica radius
phi= azimuth (optional)
t= time (optional)
dR=, dphi= if set to non-zero integers, return the dR,dphi’t derivative
OUTPUT:
Phi(R(,phi,t)))HISTORY:
2010-07-13 - Written - Bovy (NYU)