On Sun, 29 Mar 2009, Daniel Fetchinson wrote: [...]
> The fact that the following two outputs are not the same is a bug or a > feature of numpy? > > ##### I would have thought the two array outputs would be the same ###### > > import numpy > > a = [ [ 0, 0 ], [ 1, 0 ], [ 1, 1 ] ] > > pythonarray = a > pythonarray.sort( ) > print pythonarray > > numpyarray = numpy.array( a ) > numpyarray.sort( ) > print numpyarray [...] There's some numpy documentation here: http://www.tramy.us/numpybook.pdf The numpy array sort method takes an optional keyword argument "axis", enabling sorting along any axis of an array, and which defaults to -1. In your case that means it sorts each sublist. If you use a.sort(axis=0), the main list will be sorted, like a normal python sort. Regards, John -- http://mail.python.org/mailman/listinfo/python-list
