Thread View: sci.math.num-analysis
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Started by Barry G. Adams
Wed, 27 Jan 1993 20:06
Bessel Fcns of 2nd kind of integer order
Author: Barry G. Adams
Date: Wed, 27 Jan 1993 20:06
Date: Wed, 27 Jan 1993 20:06
9 lines
828 bytes
828 bytes
The IMSL special function library doesn't seem to have a routine
for calculating
Y (z)
n
where n is an integer and z = x + iy is a complex number. Does
anyone know how to do this or do you know of an available routine?
barry@ramsey.cs.laurentian.ca (Barry Adams)
Re: Bessel Fcns of 2nd kind of integer order
Author: Stan Kerr
Date: Wed, 27 Jan 1993 22:43
Date: Wed, 27 Jan 1993 22:43
37 lines
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1521 bytes
barry@ramsey.cs.laurentian.ca (Barry G. Adams) writes:
>The IMSL special function library doesn't seem to have a routine
>for calculating
> Y (z)
> n
>where n is an integer and z = x + iy is a complex number. Does
>anyone know how to do this or do you know of an available routine?
Algorithm 644 from Transactions on Math Software is a massive collection
of portable Bessel function codes by Donald Amos, and includes such
routines. You can get the whole thing by sending email to
netlib@ornl.gov
with the message
send big644 from toms
or send 644r from toms
The response will be LARGE (over 600K) and will arrive in pieces.
To be more selective about which routines you want from the set, send
the message
send index for amos
You'll receive a list of items available in the amos collection; you can
then order individual items with messages like
send x from amos
--
Stan Kerr
Computing & Communications Services Office, U of Illinois/Urbana
Phone: 217-333-5217 Email: stankerr@uiuc.edu
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