29 Apr
2010
29 Apr
'10
5:20 p.m.
On Thu, Apr 29, 2010 at 03:28, Jon Wright wright@esrf.fr wrote:
Hello everyone,
Is there a 'numpy' efficient way to do the following loop:
for i, v in indices, values: total[ i ] += v
The behaviour is like numpy.put, but instead of overwriting the array element, it is incremented. Currently I have a little C extension which does the job, but I'm lazy to fix it up for all the various dtypes etc. Am I missing a more general way?
total = np.bincount(indices, values)
--
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