On 06/06/2012 06:35 PM, Robert Kern wrote: > On Wed, Jun 6, 2012 at 4:52 PM, Robert Cimrman<cimrm...@ntc.zcu.cz> wrote: > >> Yes (in that thread), but it applies also adding/assembling vectors into a >> global vector - this is just x[idx] += vals. I linked that discussion as that >> was recent enough for me to recall it, but there were other. >> >> Anyway, my point was that a having a function with the "adding" semantics in >> NumPy would be handy. > > x += numpy.bincount(idx, vals, minlength=len(x)) >
Nice! Looking at the C source, it seems it should be pretty efficient for this task. r. _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion