sum over all but one axis

Johannes Loehnert a.u.r.e.l.i.a.n at gmx.net
Thu Oct 26 04:51:34 CDT 2006


On Thursday 26 October 2006 11:39, Vincent Schut wrote:
> > Of course I can easily loop over that axis, but if possible I'd like to
> > prevent array loops...

Depending on the problem's size, this could actually be the best solution -- 
if each particular sum is over enough elements, the overhead of looping is 
negligible. Also it would be the best solution in terms of readability.

Without for-loops i would probably have come up with something like your 
solution, only longer and uglier. ;-)

Johannes

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