Show that For Neumann function of the n'th order:
N_[-n] = (-1)^n*N_[n]© BrainMass Inc. brainmass.com March 4, 2021, 5:56 pm ad1c9bdddf
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I used the definition fro the Neumann's function (Bessel's function of the second ...
Expressing Neumann's functions in terms of Bessel's functions leads to the required recursive relations.