From la-jassine@aix.pacwan.net  Wed May 21 16:00:51 1997
From: la-jassine@aix.pacwan.net (Paul Gilbert)
Date: Wed, 21 May 1997 12:00:51 -0300
Subject: R-alpha: Eigenvalue Computation Query
Message-ID: <1347889984-174502@aix.pacwan.net>

Ross

>Should I drop this special code and always compute both eigenvalues
>and eigenvectors?  This would substantially reduce code size, but might
>increase computational cost in the case where only eigenvalues are
>needed.

I often need the eigenvalues only, but in my experience the main causes for
slowness is when I start using more memory than is physically available. (My
machine starts sounding like it does when I run S.) I would guess that
reducing code size may be more valuable than the specialized code.

Paul Gilbert

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R-alpha: Eigenvalue Computation Query
Paul Gilbert