Is %i an integer?




On Tue, 29 Sep 2009, Stavros Macrakis wrote:

< That is embarrassing, especially since integer(%i) => false.
< Even more embarrassing that if you answer No, Maxima asks you whether xy is
< positive or negative (where xy is some internal variable!).
< 
< I believe the second is a known bug....
< 
<              -s
< 
< On Tue, Sep 29, 2009 at 1:54 PM, Karl-Dieter Crisman <kcrisman at gmail.com>wrote:
< 
< > Dear list,
< >
< > integrate(exp(-x^%i),x,0,1);
< >
< > yields a question about whether %i is an integer. Is there more than
< > one interpretation of %i in Maxima?
< >
< > (I don't have a problem with the answer at the end after 'yes' or 'no'
< > - limits of incomplete gamma functions makes sense.)
 
This exact bug has been reported:

http://www.math.utexas.edu/pipermail/maxima/2009/017646.html

Perhaps Dieter could comment.

Leo

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