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MathGroup Archive 1998

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Re: roots of BesselJPrimes

  • To: mathgroup at smc.vnet.net
  • Subject: [mg14163] Re: [mg14152] roots of BesselJPrimes
  • From: "Jens-Peer Kuska" <kuska at linmpi.mpg.de>
  • Date: Wed, 30 Sep 1998 02:04:13 -0400
  • Sender: owner-wri-mathgroup at wolfram.com

Hi Christian,

I just try Your examples on a Win95-box and on a SPARC running
Mathematica 3.0.1and get the correct result. You should contact the WRI
support about this problem.

Regards
  Jens
-----Original Message-----
From: Christian Meier <meier at tomo.uni-bremen.de> To:
mathgroup at smc.vnet.net
Subject: [mg14163] [mg14152] roots of BesselJPrimes


>hello!
>
>I'm trying to find the first 20 roots of the derivation of a
>Besselfunction of the first kind,
>first order.  The BesselJPrimeZeros-function doesn't work while for
>example
>BesselYPrimeZeros does.
>I'm working with mathematica3.0 on a sparc 10 computer.
>
>Example for in- and outputs:
>
>In[31]:=
>BesselYPrimeZeros[1,{1,3}]
>
>Out[31]=
>{3.68302,6.9415,10.1234}
>
>but:
>
>In[32]:=
>BesselJPrimeZeros[1,{1,3}]
>
>Out[32]=
>BesselJPrimeZeros[1,{1,3}]
>
>
>Does this problem occured to someone?
>
>all help thanked,
>
>Christian
>
>
>



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