[Numpy-discussion] Counting array elements

Chris Barker Chris.Barker at noaa.gov
Fri Oct 22 11:07:32 CDT 2004


Stephen Walton wrote:

 > There is a difference between the sum() Ufunc and the sum() method which
 > is not mentioned in the documentation:  the function works along an
 > axis, while the method works on the whole array.  That is, A.sum() and
 > A.flat.sum() are equivalent regardless of the rank of A.


Bummer. I was hoping this was a move to a more object-oriented style, 
rather than different functionality. Also, it's pretty confusing 
terminology, particularly if it's not documented! Why not .SumAll() or 
something?

-Chris


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Christopher Barker, Ph.D.
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