tingying2020 commented on a change in pull request #15390: [Numpy
fix-doc]modify numpy doc
URL: https://github.com/apache/incubator-mxnet/pull/15390#discussion_r298874744
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File path: python/mxnet/ndarray/numpy/_op.py
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@@ -304,6 +340,31 @@ def concatenate(seq, axis=0, out=None):
-------
res : ndarray
The concatenated array.
+
+ Notes
+ -----
+ - Not support axis = None
+
+ >>> np.concatenate((a, b), axis=None)
+ Invalid Parameter format for dim expect int but value='None',
+
+ Examples
+ --------
+ >>> a = np.array([[1, 2], [3, 4]])
+ >>> b = np.array([[5, 6]])
+ >>> np.concatenate((a, b), axis=0)
+ array([[1., 2.],
+ [3., 4.],
+ [5., 6.]])
+ >>> np.concatenate((a, b.T), axis=1)
+ array([[1., 2., 5.],
+ [3., 4., 6.]])
+ >>> c = np.arange(6).reshape((3,2))
+ >>> np.concatenate((a,b), axis=0, out=c)
+ array([[1, 2],
Review comment:
Here you should also change [1, 2] to [1., 2.]
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