Johannes Loehnert wrote: > Hi, > > >> I'm not sure why bool arrays cannot be used as indices. >> The "natural" solution to the original problem seemed to be: >> M[:,V>0] >> but this is not allowed. >> > > I started a thread on this earlier this year. Try searching the archive for > "boolean indexing" (if it comes back online somewhen). > > Travis had some reason for not implementing this, but unfortunately I do not > remember what it was. The corresponding message might still linger on my home > > PC, which I can access this evening.... >
I suspect my reason was just not being sure if it could be explained consistently. But, after seeing this come up again. I decided it was easy enough to implement. So, in SVN NumPy, you will be able to do a[:,V>0] a[V>0,:] The V>0 will be replaced with integer arrays as if nonzero(V>0) had been called. -Travis _______________________________________________ Numpy-discussion mailing list Numpy-discussion@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/numpy-discussion
