[Numpy-discussion] Fwd: Advanced selection, duplicate indices, and augmented assignment

Sean R. Lynch seanl at literati.org
Sun Jan 7 15:14:41 CST 2007


Travis Oliphant wrote:

> I don't think we could make it work as he expects (and not radically 
> change NumPy itself so that other operations are very different) because 
> of the limitations of Python.
> 
> The point was that it is too complicated to do any differently (and is 
> probably impossible).

Ok, thanks for the explanation.

In that case, is there a way to do what I want (accumulate values per
index) without looping in Python? The histogram functions would only
count the number of uses of a given index AFAICT. I want to sum all of
the normals for a given index.

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