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词汇 Neumann function
释义

Definition of Neumann function in English:

Neumann function

(also Neumann's function)
noun

  • A function of a real variable x equal to ((cos nπ) Jₙ(x) − J₋ₙ(x))/sin nπ (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.

Definition of Neumann function in US English:

Neumann function

(also Neumann's function)
noun

  • A function of a real variable x equal to ((cos nπ) Jₙ(x) − J₋ₙ(x))/sin nπ (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.
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