XLPack 7.0
XLPack Numerical Library (Excel VBA) Reference Manual
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◆ Sbeskn()

Function Sbeskn ( N As  Long,
X As  Double,
Optional Info As  Long 
)

Modified spherical Bessel function of the second kind kn(x)

Purpose
Computes the modified spherical Bessel function of the second kind kn(x).
Returns
Double
Modified spherical Bessel function of the second kind kn(x).
Parameters
[in]NOrder n.
[in]XArgument x. (X > 0)
[out]Info(Optional) = 0: Successful exit.
= -2: The argument X had an illegal value. (X <= 0)
= 1: Floating point range error.
Reference
boost/math/special_functions