Re: How to index an array with even steps?

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From	Akira Li <4kir4.1i@gmail.com>
Subject	Re: How to index an array with even steps?
Date	Fri, 25 Jul 2014 16:02:48 +0400
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fl <rxjwg98@gmail.com> writes:
> In Python, ':' is used to indicate range (while in Matlab I know it can be used
> to control steps). How to index an array with 0, 5, 10, 15...995?

Just use slicing:

  >>> L = range(1000) # your array goes here
  >>> L[::5] 
  [0, 5, 10, 15, ..., 995] # Python 2
  range(0, 1000, 5)        # Python 3


--
Akira

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How to index an array with even steps? fl <rxjwg98@gmail.com> - 2014-07-25 04:45 -0700
  Re: How to index an array with even steps? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-07-25 11:55 +0000
  Re: How to index an array with even steps? fl <rxjwg98@gmail.com> - 2014-07-25 04:56 -0700
  Re: How to index an array with even steps? Akira Li <4kir4.1i@gmail.com> - 2014-07-25 16:02 +0400

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