BESSELK

BESSELK —

BESSELK(x,y)

BESSELK function returns the Neumann, Weber or Bessel function. x is where the function is evaluated. y is the order of the Bessel function.

If x or y are not numeric a #VALUE! error is returned.
If y < 0 a #NUM! error is returned.
This function extends the Excel function of the same name to non-integer orders.

BESSELK(3,9) equals 397.95880.

BESSELI, BESSELJ, BESSELY.