[Numpy-discussion] Extending an ndarray

Søren Nielsen soren.skou.nielsen@gmail....
Wed May 14 14:52:28 CDT 2008


Thanks alan, that works!

Soren

On Wed, May 14, 2008 at 9:02 PM, Alan McIntyre <alan.mcintyre@gmail.com>
wrote:

> Here's one way (probably not the most efficient or elegant):
>
> # example original array
> a=arange(1,26).reshape(5,5)
>
> # place copy of 'a' into upper left corner of a larger array of zeros
> b=zeros((10,10))
> b[:5,:5]=a
>
>
> On Wed, May 14, 2008 at 2:48 PM, Søren Nielsen
> <soren.skou.nielsen@gmail.com> wrote:
> > Hi,
> >
> > I've loaded an image into a ndarray. I'd like to extend the ndarray with
> a
> > border of zeros all around the ndarray.. does anyone here know how to do
> > this?
> >
> > Thanks,
> > Soren
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