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a) Initial HDP graphs with 60 axons. b) Axon #1 with two bifurcation points and three centerline paths. Hack’s level 1 is red; Hack’s level 2 is green; Hack’s level 3 is blue. c) Three continuous combined centerline paths for evaluating the potential, the field, and the field derivative along the path for a typical axon (axon #1). Start and end terminals (for Table 1 and Table B1) are shown.
