Alan G Isaac wrote: > >> stop believing that M[0][0] and M[0,0] should return the >> same thing. There is nothing in Python that requires >> this. >> > > I never suggested there is. > My question "how to guess?" does not imply that. > > My point is: the matrix object could have more intuitive > behavior with no loss of functionality. > > Do I understand correctly, that by intuitive you mean based on experience with lists, and NumPy arrays? I agree, it is very valuable to be able to use previous understanding to navigate a new thing. That's a big part of why I could see changing the matrix object in 1.1 to behave as you described in your previous post: where M[i] returned a 1-d array and matrices were returned with 2-d (slice-involved) indexing (I would not mind M[0,0] to still return a scalar, however).
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