np.sqrt([1, 4, 9]) # [1., 2., 3.]
numpy.sqrt - NumPy v1.19 Manual
Return the non-negative square-root of an array, element-wise. Parameters The values whose square-roots are required. outndarray, None, or tuple of ndarray and None, optional A location into which the result is stored. If provided, it must have a shape that the inputs broadcast to. If not provided or None, a freshly-allocated array is returned.
https://numpy.org/doc/stable/reference/generated/numpy.sqrt.html


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