Numpy 1.12
Numpy 1.12
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numpy.atleast_1d()

numpy.atleast_1d

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.
Returns:

ret : ndarray

An array, or lis