2010/9/8 Ernest Adrogué <eadro...@gmx.net>: > I have a sorted, flat array: > > In [139]: a =np.array([0,1,2,2,2,3]) > > Basically, I want views of the areas where there > are repeated numbers (since the array is sorted, they > will be contiguous). > > But, of course, to find the numbers that are repeated > I have to use comparison operations that return > boolean arrays, so I suppose the problem is converting > the boolean array into a slice.
Well, you're going to have to do some allocation, but how's this? Use unique1d to get an array of unique values. Then use searchsorted twice, once to find the leftmost end of each hunk, and once to find the rightmost end of each hunk. Anne _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
