On Thu, Nov 9, 2017 at 1:30 AM, Joe <solar...@posteo.org> wrote: > > Hello, > > I have a question and hope that you can help me. > > The doc for vstack mentions that "this function continues to be supported for backward compatibility, but you should prefer np.concatenate or np.stack." > > Using vstack was convenient because "the arrays must have the same shape along all but the first axis." > > So it was possible to stack an array (3,) and (2, 3) to a (3, 3) array without using e.g. atleast_2d on the (3,) array. > > Is there a possibility to mimic that behavior with np.concatenate or np.stack?
Quite frankly, I ignore the documentation as I think it's recommendation is wrong in these cases. Vive la vstack! -- Robert Kern
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