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

Re: LegendreP error (bug?) in Mathematica

• To: mathgroup at smc.vnet.net
• Subject: [mg81202] Re: LegendreP error (bug?) in Mathematica
• From: flycarl82 at gmail.com
• Date: Sat, 15 Sep 2007 04:14:58 -0400 (EDT)
• References: <fc4ukp$kl6$1@smc.vnet.net>

On 9 11 ,   10 30 , John Ralston <rals... at ku.edu> 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

I have used SphericalHarmonicY  before . there is many definition of
SphericalHarmonic. the mathematica 5.1 used a fairly  common one . i
haven't discover a bug. what the exact failure