Message-ID: <3DF726CE.22337853@mail.nerc-essc.ac.uk>
Date: 2002-12-11T13:02:03Z
From: David Pearson
Subject: Modified Bessel Function - 2nd kind
Dr Andrew Wilson wrote:
>
> In order to fit a probability distribution proposed by Sichel [Journal of
> the Royal Statistical Society. Series A (General), Vol. 137,
> No. 1. (1974), pp. 25-34], I need a modified Bessel function of the 2nd
> kind. I notice that the base package of "R" only has modified Bessel
> functions of the 1st and 3rd kind. Does a modified Bessel function of the
> 2nd kind exist anywhere?
G'day,
According to Mathworld, you can make it from modified Bessel
functions of the 1st kind:
http://mathworld.wolfram.com/ModifiedBesselFunctionoftheSecondKind.html
Regards,
David.
--
David Pearson david.pearson at mail.nerc-essc.ac.uk
Environmental Systems Science Centre Tel: (0118) 9318741
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