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MathGroup Archive 2005

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Re: bug in series expansion routines.

  • To: mathgroup at smc.vnet.net
  • Subject: [mg55249] Re: [mg55199] bug in series expansion routines.
  • From: Bob Hanlon <hanlonr at cox.net>
  • Date: Thu, 17 Mar 2005 03:30:30 -0500 (EST)
  • Reply-to: hanlonr at cox.net
  • Sender: owner-wri-mathgroup at wolfram.com

Works fine on my system:

$Version

5.1 for Mac OS X (January 27, 2005)

Series[BesselJ[0,x],{x,2.404,10}]

SeriesData[x, 2.404, {0.0004286597449146807, 
   -0.5193256007917422, 0.10779848227224777, 
   0.056630349103538716, -0.008648609696429211, 
   -0.0021955092839910035, 0.0002641242471776511, 
   0.00004375783532156865, -4.334883356466407*^-6, 
   -5.308603050289572*^-7, 4.4661254273997636*^-8}, 0, 
  11, 1]


Bob Hanlon

> 
> From: Richard Fateman <fateman at cs.berkeley.edu>
To: mathgroup at smc.vnet.net
> Date: 2005/03/16 Wed AM 05:36:38 EST
> To: mathgroup at smc.vnet.net
> Subject: [mg55249] [mg55199] bug in series expansion routines.
> 
> Series[BesselJ[0, x], {x, 2.404, 10}]
> 
> gives an error about illegal series composition, which
> is inappropriate, since using 2404/1000 in there
> produces a series.
> 
> My guess is that this bug could be exhibited in
> many ways.
> version 5.0
> 
> 


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