[Numpy-discussion] help with vectorization

Mathew Yeates myeates@jpl.nasa....
Mon Apr 27 14:24:00 CDT 2009


I should add, I'm starting with N rotation angles. So I should rephrase  
and say I'm starting with N angles and N xy pairs.



Mathew Yeates wrote:
> I know this must be trivial but I can't seem to get it right
>
> I have N 2x2 arrays which perform a rotation. I also have N xy pairs to 
> transpose. What is the simplest way to perform the transformation 
> without looping?
>
> Thanks from someone about to punch their screen.
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