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XLeratorDB/engineering Online Documentation

SQL Server BESSELI function


 
Updated: 27 August 2010

Use BESSELI function to calculate the Bessel function of the second kind I±v(z). The BESSELI function is defined by
 
BESSELI
Syntax
SELECT [wctEngineering].[wct].[BESSELI] (
   <@x, float,>
 ,<@n, float,>)
Arguments
@x
is the value at which to evaluate the function. @x is an expression of type float or of a type that can be implicitly converted to float
@n
is the order of the Bessel function. @n is an expression of type float or of a type that can be implicitly converted to float
Return Types
float
Remarks
·         @n is truncated to zero decimal places.
·         If @n is less than zero, BESSELI returns an error
Examples

select
wct.BESSELI(1,5)

This produces the following result
----------------------
0.000271463155956972
 
(1 row(s) affected)


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