[R] Bessel function

cstrato cstrato at aon.at
Wed Sep 15 20:15:08 CEST 2004


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: r-help-bounces at stat.math.ethz.ch on behalf of beat.huggler at rmf.ch
> Sent: Wed 9/15/2004 4:24 AM
> To: R-help at stat.math.ethz.ch
> 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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