On Fri, 02 Jun 2023 11:47:14 -0000 "Ronald van Elburg" <r.a.j.van.elb...@hetnet.nl> wrote:
> Aha, the unnecessary copy mentioned in the > https://dbs.ifi.uni-heidelberg.de/files/Team/eschubert/publications/SSDBM18-covariance-authorcopy.pdf. > paper is a copy of the input. Here it is about discarding a valuable output > (the mean) and then calculating that result separately. I have been working a lot around this publication and I found it very interesting. Nevertheless, I believe there is a bug when dealing with weighted averages (eq22) ... but we can discuss offline about it. None of the author did answer to my comments. Since the PR is about unweighted means/std, the math exposed there are (very likely) correct. Cheers, -- Jérôme Kieffer tel +33 476 882 445 _______________________________________________ NumPy-Discussion mailing list -- numpy-discussion@python.org To unsubscribe send an email to numpy-discussion-le...@python.org https://mail.python.org/mailman3/lists/numpy-discussion.python.org/ Member address: arch...@mail-archive.com
