[Numpy-discussion] record arrays initialization

Kevin Jacobs <jacobs@bioinformed.com> bioinformed at gmail.com
Wed May 2 18:27:20 EDT 2012

On Wed, May 2, 2012 at 5:45 PM, Moroney, Catherine M (388D) <
Catherine.M.Moroney at jpl.nasa.gov> wrote:

> Thanks to Perry for some very useful off-list conversation.   I realize
> that
> I wasn't being clear at all in my earlier description of the problem so
> here it is
> in a nutshell:
> Find the best match in an array t(5000, 7) for a single vector e(7).  Now
> scale
> it up so e is (128, 512, 7) and I want to return a (128, 512) array of the
> t-identifiers
> that are the best match for e.  "Best match" is defined as the minimum
> Euclidean distance.
It sounds like you want to find the nearest neighbor to a point in a
high-dimensional space. This sounds like a job for a spacial data structure
like a KD-tree.  See:


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