[Numpy-discussion] Bug in dstack?

Charles R Harris charlesr.harris@gmail....
Thu Apr 2 17:46:52 CDT 2009


Note:

In [133]: l = [[1,0,0],[1,1,0],[1,1,1]]

In [134]: dstack(l)
Out[134]:
array([[[1, 1, 1],
        [0, 1, 1],
        [0, 0, 1]]])

In [135]: dstack(l).shape
Out[135]: (1, 3, 3)


Shouldn't the shape be (3,3)? Also, for generalized ufuncs and broadcasting
I think a function that stacked along the first axis instead of the last
would be useful. Maybe gstack or astack?

Chuck
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