[Numpy-discussion] finding close together points.
Christopher Barker
Chris.Barker at noaa.gov
Thu Nov 12 12:01:33 EST 2009
Peter Schmidtke wrote:
> On Tue, 10 Nov 2009 16:07:32 -0800, Christopher Barker
> <Chris.Barker at noaa.gov> wrote:
>> I have a bunch of points in 2-d space, and I need to find out which
>> pairs of points are within a certain distance of one-another (regular
>> old Euclidean norm).
>
> How big is your set of points?
Could be 100s of thousands, maybe ever millions. That's why O(N^2) is
not good.
-Chris
--
Christopher Barker, Ph.D.
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Chris.Barker at noaa.gov
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