Excel Function : BESSELY
Returns the Bessel function Yn(x)
Microsoft Excel Reference Page
Syntax and Description of the BESSELY Excel Function
=BESSELY(x,m) The Bessel function of the second kind, or the modified Bessel function of the first kind, is a special function of mathematical physics that arises in solutions to Laplace's equation and the Helmholtz equation. It also appears in the wave equation.
About BESSELY Excel Function
The BESSELY function returns the Bessel function of x.