On Wed, Jun 22, 2011 at 2:08 PM, RadimRehurek <radimrehu...@seznam.cz>wrote:
> > Date: Wed, 22 Jun 2011 11:30:47 -0400 > > From: Alex Flint <alex.fl...@gmail.com> > > Subject: [Numpy-discussion] argmax for top N elements > > > > Is it possible to use argmax or something similar to find the locations > of > > the largest N elements in a matrix? > > I would also be interested in an O(N) argmax/argmin for indices of top k > values in an array. I'm currently using argsort[:k] in a performance > sensitive part and it's not ideal. > > Best, > Radim > I think there were some discussions recently for new features to add to the next release of Numpy, and I think this was one of them. Ben Root
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