Geoffrey Zhu wrote: > Hi All, > > Given three vectors of the same lengths, X, Y, and Z, I am looking for > an efficient way to calculate the following: > > sum(x[i]*y[i]*z[i], for i=1..n )
(x*y*z).sum() -- 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 _______________________________________________ Numpy-discussion mailing list Numpy-discussion@scipy.org http://projects.scipy.org/mailman/listinfo/numpy-discussion
