[Numpy-discussion] Large symmetrical matrix

Charles R Harris charlesr.harris@gmail....
Wed Jun 11 10:55:31 CDT 2008

On Wed, Jun 11, 2008 at 9:33 AM, Simon Palmer <simon.palmer@gmail.com>

> Pretty simple.  I don't do any transformations.  It is a euclidean distance
> matrix between n vectors in my data space, so I use it for lookup of minima
> and I recalculate portions of it during the processing of my algorithm.
> It is the single largest limitation of my code, both in terms of
> performance and scalability.  A fast and efficient solution to this issue
> would make a huge difference to me.

So are you doing hierarchical clustering?

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