[Numpy-discussion] Selecting columns of a matrix (original) (raw)
Simon Burton simon at arrowtheory.com
Wed Jun 21 01:23:49 EDT 2006
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On Wed, 21 Jun 2006 13:48:48 +0900 "Bill Baxter" <wbaxter at gmail.com> wrote:
>>> a[:,num.where(v>0.5)[0]] array([[1, 2, 4], [6, 7, 9]]) I'll put that up on the Matlab->Numpy page.
oh, yuck. What about this:
a[:,num.nonzero(v>0.5)] array([[0, 1, 3], [5, 6, 8]])
Simon.
-- Simon Burton, B.Sc. Licensed PO Box 8066 ANU Canberra 2601 Australia Ph. 61 02 6249 6940 http://arrowtheory.com
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