[Numpy-discussion] Large symmetrical matrix

Simon Palmer simon.palmer@gmail....
Wed Jun 11 11:47:23 CDT 2008


clustering yes, hierarchical no.

On Wed, Jun 11, 2008 at 4:55 PM, Charles R Harris <charlesr.harris@gmail.com>
wrote:

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