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MathGroup Archive 1999

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Re: Can't get the 3rd Bessel zero!

  • To: mathgroup at smc.vnet.net
  • Subject: [mg19868] Re: Can't get the 3rd Bessel zero!
  • From: adam.smith at hillsdale.edu
  • Date: Sun, 19 Sep 1999 01:20:50 -0400
  • References: <7rshbi$3gs@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

I recall that someone else reported this same bug.  It seems to be
specific to Version "3.0.1.1x"  I have access to an older Version 3.0
(3.0.1.0 ?) and have found that it does not have this problem with
BesselJZeros.

I do not know if there is a fix.

Adam Smith

In article <7rshbi$3gs at smc.vnet.net>,
  iioannou at u.washington.edu (I. Ioannou) wrote:
> Hi all,
>
> I've been working with BesselJZeros recently, and the code I wrote
shows
> the following peculiar behavior. While I can get all the Bessel zeros
I
> need for most of the functions, I get mathematica to hang up at the
3rd
> Bessel zero of the 0th order Bessel.
>
> So, BesselJZeros[0,2] works, BesselJZeros[1,5] works, but
> BesselJZeros[0,3] doesn't work. (waited for a couple of hours before I
> aborted the calculation) Does anybody know what this behavior is due
to?
> Is it a bug? Has it been seen before and by anybody else? Or is it
> particular to my machine?
>
> Thanks, John
> --
>       Ioannis   I    Ioannou                   phone: (206)-543-1372
>       g-2 group, Atomic Physics                fax:   (206)-685-0635
>       Department of Physics
>       University of Washington        e-mail:
iioannou at u.washington.edu
>
>


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