[Numpy-discussion] Distance Matrix speed
Robert Kern
robert.kern at gmail.com
Sat Jun 17 17:49:16 EDT 2006
Alex Cannon wrote:
> How about this?
>
> def d5():
> return add.outer(sum(A*A, axis=1), sum(B*B, axis=1)) - \
> 2.*dot(A, transpose(B))
You might lose some precision with that approach, so the OP should compare
results and timings to look at the tradeoffs.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless enigma
that is made terrible by our own mad attempt to interpret it as though it had
an underlying truth."
-- Umberto Eco
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