[GitHub] [incubator-mxnet] haojin2 commented on a change in pull request #15302: [Numpy] Numpy hstack

[GitBox <gi...@apache.org>]

haojin2 commented on a change in pull request #15302: [Numpy] Numpy hstack
URL: https://github.com/apache/incubator-mxnet/pull/15302#discussion_r296103381
 
 

 ##########
 File path: python/mxnet/numpy/multiarray.py
 ##########
 @@ -1404,6 +1404,23 @@ def stack(arrays, axis=0, out=None):
     return _mx_nd_np.stack(arrays, axis=axis, out=out)
 
 
+@set_module('mxnet.numpy')
+def hstack(arrays):
+    """Stack tensors in sequence horizontally.
+
+        This is equivalent to concatenation along the second axis, except for 1-D
+        or zero dimension tensor, in which case the first dimension is used.
+
+    Parameters
+    ----------
+    arrays : sequence of array_like
+        Each array must have the same shape.
+
+    Returns
+    -------
+    horizontally stacked ndarray"""
 
 Review comment:
   ```python
   horizontally stacked ndarray
   """
   ```

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