Speaker: Thomas Planche
See: https://en.wikipedia.org/wiki/Newton%27s_method
M. Gordon and T. Welton, Computation Methods for AVF Cyclotron Design Studies, Oak Ridge National Lab, internal report ORNL-2765, 1959.
Gordon, M. M. “Computation of closed orbits and basic focusing properties for sector-focused cyclotrons and the design of” cyclops”.” Part. Accel. 16 (1984): 39-62
Berz, A. “Differential algebraic description of beam dynamics to very high orders.” Part. Accel. 24.SSC-152 (1988): 109-124.