Man pages for Bessel
Computations and Approximations for Bessel Functions

AiryAiry Functions (and Their First Derivative)
BesselBessel Functions of Complex Arguments I(), J(), K(), and Y()
besselIasymAsymptotic Expansion of Bessel I(x,nu) and K(x,nu) For Large...
besselI.nuAsymAsymptotic Expansion of Bessel I(x,nu) and K(x,nu) for Large...
besselIsBessel I() function Simple Series Representation
besselJsBessel J() function Simple Series Representation
bessJsmlNuBessel J_nu(x) for Very Small Order nu
HankelHankel (H-Bessel) Function (of Complex Argument)
Bessel documentation built on Jan. 2, 2026, 3 a.m.