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MathGroup Archive 2007

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Re: LegendreP error (bug?) in Mathematica

  • To: mathgroup at smc.vnet.net
  • Subject: [mg81105] Re: LegendreP error (bug?) in Mathematica
  • From: David Bailey <dave at Remove_Thisdbailey.co.uk>
  • Date: Wed, 12 Sep 2007 03:52:06 -0400 (EDT)
  • References: <fc4ukp$kl6$1@smc.vnet.net>

John Ralston wrote:
> I find serious bugs in Mathematica 5.1 LegendreP
> and SphericalHarmonicY.  It is not a matter of 
> definitions or syntax, but a catastrophic failure
> easy to establish.  Math archives show a history
> of discussion, but invariably centered on variations of definition.
> 
> 
> Wolfram Research shows little interest.  I'm wondering if the failure
> to perfom is well known and has been repaired by someone 
> re-writing the commands.  I don't often follow this forum, but I've joined to either get access to code that works, or to inform people so they can go after the problem.   Does anyone care? 
> 
> John Ralston
> 
Why not start by posting some code (in InputForm please) that 
illustrates at least one bug!

David Bailey
http://www.dbaileyconsultancy.co.uk


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