numpy.atleast_1d(*arys)
[source]
Convert inputs to arrays with at least one dimension.
Scalar inputs are converted to 1-dimensional arrays, whilst higher-dimensional inputs are preserved.
Parameters: |
arys1, arys2, ... : array_like One or more input arrays. |
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Returns: |
ret : ndarray An array, or list of arrays, each with |
See also
>>> np.atleast_1d(1.0) array([ 1.])
>>> x = np.arange(9.0).reshape(3,3) >>> np.atleast_1d(x) array([[ 0., 1., 2.], [ 3., 4., 5.], [ 6., 7., 8.]]) >>> np.atleast_1d(x) is x True
>>> np.atleast_1d(1, [3, 4]) [array([1]), array([3, 4])]
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https://docs.scipy.org/doc/numpy-1.13.0/reference/generated/numpy.atleast_1d.html