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Re: Bessel Functions and Numerical Recipes [message #23987 is a reply to message #23902]

Thu, 01 March 2001 17:45

Michael Asten
Messages: 53
Registered: March 1999

Member

Brian Keating wrote:

> Anyone have a robust algorithm to compute ordinary
> Bessel Functions of integer order, greater than order ~ 19
> (where IDL 5.4 currently cuts off).

You might try the website below; I have had some success in free translation
from the fortran original to idl, for a couple of the routines (but not
yours), without need to restructure the code.

Regards,
Michael Asten

;
; website http://iris-lee3.ece.uiuc.edu/~jjin/routines/routines.html
; Jianming Jin, Associate Professor
; Department of Electrical and Computer Engineering
; University of Illinois at Urbana-Champaign

>
>
> Another question:
>
> Has anyone converted a substantial portion of
> Numerical Recipes [e.g., Fortran], to IDL? Are there public libraries for
> this sort of thing? Numerical Recipes algorithms seem much more
> stable/reliable than those in IDL and I have the complete Fortran code for
> most Numerical Recipes but find it tedious to manually convert between
> languages each time I want a program.
>
> Thanks!
>
> -Brian
>
> Thanks,
>
> -Brian

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[Message index]

		Bessel Functions and Numerical Recipes By: Brian Keating on Mon, 26 February 2001 13:46
		Re: Bessel Functions and Numerical Recipes By: Michael Asten on Thu, 01 March 2001 17:45
		Re: Bessel Functions and Numerical Recipes By: Christopher W. O'Dell on Thu, 01 March 2001 09:25

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