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Meaning of Neumann function in English:

Neumann function

noun

(also Neumann's function)

  • A function of a real variable x equal to ((cos n π) Jₙ (x) − J₋ₙ (x))/sin n π (where Jₙ is a Bessel function), which is a solution of Bessel's equation when n is not an integer.

Origin

Late 19th century; earliest use found in Proceedings of the Royal Society of London.