I know this is not very helpful, but I am fairly certain we discussed
this kind of subject, about two years ago, but never really reached a
conclusion. The point is that of cours zoo+zoo should be nan (whereas it
seems like zoo*zoo need not be, but perhaps that was never fixed).
Tom
On 25.02.2012 09:16, Aaron Meurer wrote:
Why is zoo*zoo nan?
In [71]: zoo*zoo
Out[71]: nan
It seems to me that the result should just be zoo.
Aaron Meurer
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