Re: Bessel J0 zeros
- To: mathgroup at smc.vnet.net
- Subject: [mg21797] Re: Bessel J0 zeros
- From: "Dale Horton" <daleh at wolfram.com>
- Date: Thu, 27 Jan 2000 22:57:42 -0500 (EST)
- Organization: Wolfram Research, Inc.
- References: <86mdkm$2e7@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
If you are using M_ 3.0.1 for Windows, see http://support.wolfram.com/Packages/NumericalMath/BesselProblem.html -Dale Roberto Brambilla <brambilla.roberto at sri.enel.it> wrote in message news:86mdkm$2e7 at smc.vnet.net... > Hello ! > > I'm using Mathematica 3.0 and I have found a strange behaviour > of standard package BesselZeros : > > BesselJZeros[0,2] works > BesselJZeros[0,k] k=3,4,5,6 does not work at all > BesselJZeros[0,k] k=7,8... works again > > (and very well BesselJZero[0,30] in 3.2 sec). > > so no problem : "ubi maior minor cessat". > Can anyone explain me this incongrous fact ? > > Thanks Roberto Brambilla > Dott. Roberto Brambilla > ENEL PEA > Via A.Volta, 1 > 20093 Cologno Monzese (MI) > tel +39.2.7224.5364 > fax +39.2.7224.5465 > bramrob at pea.enel.it > >