[Numpy-discussion] Offset 2D arrays

Konrad Hinsen hinsen at cnrs-orleans.fr
Wed Sep 19 01:07:02 CDT 2001


> This will work:
> b=zeros ((3,3))
> b[:2,:2] = b[:2,:2] + a[1:,1:]
> 
> You need to know the size of a to use this scheme.

How about this:

   b = 0*a
   b[:-1, :-1] = a[1:, 1:]

Works for any shape and type of a.

Konrad.
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