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EXCEL BESSELI FUNCTION
Excel BESSELI Function Introduction
The modified Bessel functions, In(x), are calculated by the Excel Besseli function (also known as the hyperbolic Bessel Functions). These functions are similar to the Bessel functions when evaluated for totally fictitious arguments.
Description of Excel BESSELI Function
Syntax:
=BESSELI( x, n )
Parameter:
- The function parameters are as follows:
X:
- The parameter at which the function will be evaluated.
n:
- A positive integer denoting the function’s orde
(If the given value of n is a decimal, Excel truncates it to an integer.)
Step By Step Guide of BESSELI Function
Example:
The graphic on the right depicts the modified Bessel functions of orders 1, 2, and 3. (x).
If you wish to determine the value of the order 1 modified Bessel function at x = 4.5, use the Excel Besseli function as shown below:
=BESSELI( 4.5, 1 )
which gives the result 15.38922293.
Key Points
- NUM! – Occurs if the value of n given is 0.
- VALUE! – This error occurs if any of the provided parameters are not numbers.
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