NumPy arrays: how to remove extra axes
Konrad Hinsen
hinsen at cnrs-orleans.fr
Tue Jun 13 06:14:05 EDT 2000
hzhu at rocket.knowledgetrack.com (Huaiyu Zhu) writes:
> For arrays in Numeric, is there a general way to remove axes of length 1?
> For example I have an array of shape (1,3,1,4) I want to change it to (3,4).
For a specific known shape, just assign a new one:
array.shape = (3, 4)
For suppressing all axes of length one, no matter where, you can write
array.shape = Numeric.repeat(array.shape, Numeric.not_equal(array.shape, 1))
Note that this changes the array, it does not create a new one.
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