6 Jun
2012
6 Jun
'12
5:14 p.m.
On 06/06/2012 06:35 PM, Robert Kern wrote:
On Wed, Jun 6, 2012 at 4:52 PM, Robert Cimrman<cimrman3@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.