BESSK Function

function BESSK(N, X)

This function calculates the modified Bessel function of the third kind of integer order N, for any REAL X. The classical recursion formula is used. Reference: C.W.Clenshaw, Chebyshev Series for Mathematical Functions, Mathematical Tables, Vol. 5, 1962.

Arguments

Type	Intent	Optional	Attributes		Name
integer,	intent(in)			::	N	Order of Bessel function.
double precision,	intent(in)			::	X	Argument of the Bessel function.

Return Value real(kind=8)