[Maxima] Problematic expression for expand
willisb at unk.edu
Mon Jun 15 20:32:08 CDT 2009
-----maxima-bounces at math.utexas.edu wrote: -----
>I don't know if there is a problem in expand here that can be fixed
>without rethinking expand in a major way,
Expanding this expression requires about 6.4 million calls to simptimes and
about 3.3 million calls to simplus. (I neglected to set timer for
I made the mistake of printing the expanded form--apparently it's a mess.
not so sure that this shows a weakness or problem with expand--the expanded
is huge. Those GCDs ratsimp does help a great deal.
trace: ?simpmexpt has no functional properties.
(%o3) [simplus, simptimes]
[ function time//call calls runtime
[ simptimes 6.216851747439563E-4 sec 6395586 3976.041 sec
[ simplus 7.403910983151573E-4 sec 3337166 2470.808 sec
[ total 6.623870617477975E-4 sec 9732752 6446.849 sec
More information about the Maxima