[Numpy-discussion] Adding .abs() method to the array object

Till Stensitzki mail.till@gmx...
Mon Feb 25 09:43:09 CST 2013


First, sorry that i didnt search for an old thread, but because i disagree with 
conclusion i would at least address my reason:

> I don't like
> np.abs(arr).max()
> because I have to concentrate to much on the braces, especially if arr
> is a calculation

This exactly, adding an abs into an old expression is always a little annoyance
due to the parenthesis. The argument that np.abs() also works is true for
(almost?) every other method. The fact that so many methods already exists,
especially for most of the commonly used functions (min, max, dot, mean, std,
argmin, argmax, conj, T) makes me missing abs. Of course, if one would redesign
the api, one would drop most methods (i am looking at you ptp and byteswap). But
the objected is already cluttered and adding abs is imo logical application of
"practicality beats purity".

greetings
Till




More information about the NumPy-Discussion mailing list