MathGroup Archive 2005

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: bug in series expansion routines.

In article <d193sk$nnb$1 at>,
 Richard Fateman <fateman at> wrote:

> 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

No error in version 5.1.  Also, since it appears that are expanding 
BesselJ[0, x] about its first zero, j0, perhaps

  Simplify[Series[BesselJ[0, x]/BesselJ[1, j0], {x, j0, 5}] /. 
    BesselJ[0, j0] -> 0]

is more useful.


Paul Abbott                                   Phone: +61 8 6488 2734
School of Physics, M013                         Fax: +61 8 6488 1014
The University of Western Australia      (CRICOS Provider No 00126G)         
35 Stirling Highway
Crawley WA 6009                      mailto:paul at 

  • Prev by Date: Re: question: re-organising equations
  • Next by Date: Re: J/Link problem on Mac OS X
  • Previous by thread: Re: bug in series expansion routines.
  • Next by thread: Re: bug in series expansion routines.