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Re: normalized ALF (Assotiated Legendre Function)

From: kruvalig
Subject: Re: normalized ALF (Assotiated Legendre Function)
Date: Mon, 11 Feb 2008 11:01:58 +0300
User-agent: Opera Mail/9.25 (Win32)

Thank's a lot for quick answer. I very suprised of it.

On Sun, 10 Feb 2008 01:37:10 +0300, Ben Abbott <address@hidden> wrote:

I've posted a patch and changelog to the maintainers list. Attached to this
email is the modified script. legendre.m

Can any one test output of this file and output matlab file to high degree (>70).

  result_mlab=legendre(80,[-1:0.1:1], "norm");
  result_octave=legendre(80,[-1:0.1:1], "norm");

Here is a file, generated in octave by code:

  result_octave=legendre(80,[-1:0.1:1], "norm");
  save -v7 result_octave_80

I think this code
  scale = (-1).^m .* sqrt ((n+0.5) .* factorial (n-m) ./ factorial (n+m));
whill give bad answer in high order of legendre.
And we have to write: To what order it compute in right.

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