Cylindrical Bessel (Hankel) function of the third kind and its derivative

Cylindrical Bessel (Hankel) function of the third kind and its derivative

Usage

hc(l, n)

hcd(l, n)

Arguments

l

An integer or fractional order

n

A complex or real argument

Value

Calculates the cylindrical Bessel function of the first kind (H_v) and its respective derivatives.

References

Amos D.E., "AMOS, A Portable Package for Bessel Functions of a Complex Argument and Nonnegative Order", http://netlib.org/amos