[Numpy-discussion] Find contiguous sequences of booleans in arrays
Mon Sep 17 05:18:51 CDT 2007
Hi to all,
I've got an 1-D array of bools and I'd like to find the length of the first
contiguous sequence of True values, starting from position  of the array.
(That's equivalent to find the position of the first occurrence of False in
The problem is trivial, but I was wondering: what's the best (fastest,
cleanest, most pythonesque) way to do it in numpy? And what if I want to get
a list of all the contiguous sequences of True values, above a given
Thanks in advance for your advices,
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Numpy-discussion