RE: Can't get the 3rd Bessel zero!
- To: mathgroup at smc.vnet.net
- Subject: [mg19854] RE: [mg19799] Can't get the 3rd Bessel zero!
- From: Wong William <WWong at submarinesystems.com>
- Date: Sun, 19 Sep 1999 01:20:38 -0400
- Sender: owner-wri-mathgroup at wolfram.com
BesselZeros works for me --- Mathematica v 4.0 & NT 4.0 SP5 :) William S. Wong, Ph.D. Tyco Submarine Systems Laboratories Room 1A-212 250 Industrial Way West Eatontown, NJ 07724 Phone: (732) 578-7531 Fax: (732) 578-7702 wwong at submarinesystems.com ================================================ In[1]:= << NumericalMath`BesselZeros` In[2]:= BesselJZeros[0, 2] Out[2]= {2.40483, 5.52008} In[3]:= BesselJZeros[0, 3] Out[3]= {2.40483, 5.52008, 8.65373} > -----Original Message----- > From: iioannou at u.washington.edu [mailto:iioannou at u.washington.edu] To: mathgroup at smc.vnet.net > Sent: Friday, September 17, 1999 1:37 AM > To: mathgroup at smc.vnet.net > Subject: [mg19854] [mg19799] Can't get the 3rd Bessel zero! > > > 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 >