You can find C++ source code for Bessel function and similar functions for example here: http://root.cern.ch/root/htmldoc/src/TMath.cxx.html
Hope this helps
Best regards Christian -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- C.h.r.i.s.t.i.a.n. .S.t.r.a.t.o.w.a V.i.e.n.n.a. .A.u.s.t.r.i.a -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
Ravi Varadhan wrote:
Dear Beat,
You might also want to look at the book by Zang and Jin - Computation of Special Functions, John Wiley. They have Fortran sources for all the special functions covered in there.
Ravi.
Ravi Varadhan, Ph.D.
Assistant Professor, The Center on Aging and Health
Division of Geriatric Medicine and Gerontology,
Johns Hopkins University,
2024 E. Monument Street, Suite 2-700
Baltimore, MD 21205.
(410) 502 - 7806.
________________________________
From: [EMAIL PROTECTED] on behalf of [EMAIL PROTECTED] Sent: Wed 9/15/2004 4:24 AM To: [EMAIL PROTECTED] Subject: [R] Bessel function
Dear all
Currently, I'm implementing the generalized hyperbolic distribution into Splus. Unfortunately the Bessel function is not implemented in Splus. In R the Bessel function does exist but it is an internal function and I'm not able to look at the code.
Is there any possibility to see the code of the Bessel function in R or does anybody has an implementation of the Bessel function in Splus?
Thanks a lot for your help.
Beat
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