[Numpy-discussion] Distance Matrix speed (original) (raw)
Robert Kern robert.kern at gmail.com
Sat Jun 17 17:49:16 EDT 2006
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Alex Cannon wrote:
How about this?
def d5(): _return add.outer(sum(AA, axis=1), sum(BB, 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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