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rtoy / maxima

A Clone of Maxima's repo
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dot expansion inconsistent #1919

Open rtoy opened 3 days ago

rtoy commented 3 days ago

Imported from SourceForge on 2024-07-05 14:34:56 Created by macrakis on 2003-07-14 05:17:29 Original: https://sourceforge.net/p/maxima/bugs/357

ma: matrix([a11,a12],[a21,a22])$ mb: matrix([b11,b12],[b21,b22])$

ma.mb => multiplied out (OK) -- call it mab q.ma.mb => q.mab (OK)

but

ma.mb.q => ma.mb.q -- that is, ma.mb doesn't get multiplied out.

This is inconsistent, since "." is known to be associative (dotassoc = true).

rtoy commented 3 days ago

Imported from SourceForge on 2024-07-05 14:34:56 Created by robert_dodier on 2006-07-08 16:48:26 Original: https://sourceforge.net/p/maxima/bugs/357/#e013

Logged In: YES user_id=501686

Still present in 5.9.3cvs.

rtoy commented 3 days ago

Imported from SourceForge on 2024-07-05 14:35:00 Created by robert_dodier on 2006-07-08 16:48:26 Original: https://sourceforge.net/p/maxima/bugs/357/#bc28