HankelH2
HankelH2[n, z] gives the Hankel function of the second kind .
Examples
Compute Hankel H2:
HankelH2[0, 1.0]
(* 0.765198 - 0.088257 I *)Plot the real part:
Plot[Re[HankelH2[0, x]], {x, 0.1, 10}]Please visit the official Wolfram Language Reference for more details.