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Re: Sturm-Liouville (eigenvalue/eigenfunction) problems

• To: mathgroup at smc.vnet.net
• Subject: [mg67425] Re: Sturm-Liouville (eigenvalue/eigenfunction) problems
• From: "Alan" <info at optioncity.REMOVETHIS.net>
• Date: Fri, 23 Jun 2006 04:31:44 -0400 (EDT)
• References: <200606200614.CAA15896@smc.vnet.net> <e7apn6$99s$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

"Selwyn Hollis" <sh2.7183 at earthlink.net> wrote in message 
news:e7apn6$99s$1 at smc.vnet.net...
> Alan,

> It contains a number of good examples beyond the usual boring ones
> with constant coefficients.
>
> I hope it's useful.
>
> -- Selwyn Hollis

Thanks for the notebook, Selwyn.

Since my original post I have discovered the SLEIGN2
fortran package and ported the regular case to Mathematica.
It works fine so far on my application.

A good project for somebody's graduate student would be
to port the whole thing -- given Mathematica's superior
visualizations, I very surprised this hasn't been done.

I am also surprised there are no built-in methods for
this, given its importance to mathematics.

regards,
alan

• References:
  • Sturm-Liouville (eigenvalue/eigenfunction) problems
    • From: "Alan" <info@optioncity.REMOVETHIS.net>