[Numpy-discussion] numpy grant update

Peter Creasey p.e.creasey.00 at googlemail.com
Tue Oct 31 14:38:46 EDT 2017

> Date: Fri, 27 Oct 2017 17:52:23 -0400
> From: Marten van Kerkwijk
> Hi Peter,
> When using units, if `a` is not angular (or dimensionless), I don't
> see how one could write code in which your example wouldn't fail...
> But I may be missing something, since for your example one would just
> realize that cos(ka)+i sin(ka) = exp(ika), in which case the log is
> just ika and one can the whole complexity...

Hi Marten,

Sorry, I thought I replied to you but somehow it didn’t go through.
Yes, that example was a bit contrived, but it was just an example
where something like sin(x) can be meaningful even if x is dimensional
(though you much more typically see these things with log or exp).


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