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11 Struve and Related FunctionsNotation

§11.1 Special Notation

(For other notation see Notation for the Special Functions.)

x real variable.
z complex variable.
ν real or complex order.
n integer order.
k nonnegative integer.
δ arbitrary small positive constant.

Unless indicated otherwise, primes denote derivatives with respect to the argument. For the functions Jν⁡(z), Yν⁡(z), Hν(1)⁡(z), Hν(2)⁡(z), Iν⁡(z), and Kν⁡(z) see §§10.2(ii), 10.25(ii).

The functions treated in this chapter are the Struve functions 𝐇ν⁡(z) and 𝐊ν⁡(z), the modified Struve functions 𝐋ν⁡(z) and 𝐌ν⁡(z), the Lommel functions sμ,ν⁡(z) and Sμ,ν⁡(z), the Anger function 𝐉ν⁡(z), the Weber function 𝐄ν⁡(z), and the associated Anger–Weber function 𝐀ν⁡(z).