BESSELK

This function calculates the modified Bessel function of the second kind evaluated for purely imaginary arguments.

Syntax

BESSELK(value,order)

Arguments

This function has these arguments:

Argument	Description
value	Value at which to evaluate the function
order	Number representing the order of the function; if it is not an integer, it is truncated

Remarks

This function is also called the Neumann function. If value or order is nonnumeric then a #Value! error is returned. If order is less than 0 then the #NUM! error is returned.

Data Types

Accepts numeric data for both arguments. Returns numeric data.

Examples

BESSELK(A4,D5)

BESSELK(R4C1,R5C4)

BESSELK(1.85,2) gives the result 0.32165379

Version Available

This function is available in product version 1.0 or later.