Besj0 Besj1 Besjn Besjnd Besjnu Besjnud Besy0 Besy1 Besyn Besynd Besynu Besynud Cbesh Cbesj Cbesy Sbesjn Sbesjnu Sbesyn Sbesynu

Besjnd() Function Besjnd ( N As  Long, X As  Double, Optional Info As  Long  ) Derivative J'n(x) of Bessel function of the first kind of order n Jn(x) Purpose This routine computes the derivative J'n(x) of the Bessel function of the first kind of order n Jn(x). Returns Double J'n(x). Parameters [in] N Order n. [in] X Argument x. [out] Info (Optional) = 0: Successful exit. = 1: Floating point range error. Reference boost/math/special_functions