[SciPy-user] Cycling the arrays

Yosef Meller yosefmel@post.tau.ac...
Tue Mar 10 03:09:37 CDT 2009


On Friday 06 March 2009 19:03:10 Marco wrote:
> just a quick question: what is the fastest way to cycle inside an N
> dimensional array?
> I just want to visit each and every element in the N dimensional
> array, then do things.
>
> I can do it with N 'for' cycles, obviously.
> Is there a more compact and maybe faster way to do it?

You can also use ndindex:

for indexes in ndindex(arr.shape):
	print arr[indexes]

there's also ndenumerate that gives you the value as well as the indexes.


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