WBesj WBesjd WBesy WBesyd WSbesj WSbesy

WBesyd() Function WBesyd ( X As  Double, Nu As  Double  ) Derivative Y'ν(x) of Bessel function of the second kind of order ν Yν(x) (fractional order) Purpose WBesyd computes the derivative Y'ν(x) of the Bessel function of the second kind of order ν Yν(x). Returns Bessel function of the second kind of order ν Yν(x). Parameters [in] X Argument x. (X > 0) [in] Nu Order ν. Reference boost/math/special_functions