eigenvalues, part: fell off the end

• Subject: eigenvalues, part: fell off the end
• From: Robert Dodier
• Date: Mon, 29 Jul 2013 20:41:28 +0000 (UTC)

On 2013-07-29, Barton Willis <willisb at unk.edu> wrote:

> (%i7) nullspace(matrix([0,0],[0,0]));
>
> Maxima encountered a Lisp error: GREAT: internal error: unexpected MRAT arg=
> ument

Hmm. What does build_info say? If you setq *debugger-hook* nil and then
ask for a backtrace, what does it say? I tried that example and it runs
without an error (result is span(matrix([0],[1]),matrix([1],[0]))). I'm
working with current source code + Clisp.

best

Robert Dodier

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