zero_ext(x, n, axis=-1)
Generate a new ndarray that is a zero-padded extension of x along an axis.
The array to be extended.
The number of elements by which to extend x at each end of the axis.
The axis along which to extend x. Default is -1.
Zero padding at the boundaries of an array
>>> from scipy.signal._arraytools import zero_extSee :
... a = np.array([[1, 2, 3, 4, 5], [0, 1, 4, 9, 16]])
... zero_ext(a, 2) array([[ 0, 0, 1, 2, 3, 4, 5, 0, 0], [ 0, 0, 0, 1, 4, 9, 16, 0, 0]])
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scipy.signal._arraytools.zero_ext
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