SpecFunc_BesselK

SpecFunc_BesselK(nu, x)

Modified second kind Bessel function of order \nu.

\forall x \in \Rset, \quad
\mathrm{K}_{\nu}(x) = \frac{\pi}{2}\frac{\mathrm{I}_{-\nu}(x)-\mathrm{I}_{\nu}(x)}{\sin{\nu\pi}}

Parameters:

nu : float

x : float

Returns:

result : float