[GitHub] kobenaxie opened a new issue #8827: Question about mx.nd.split() ?

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

kobenaxie opened a new issue #8827: Question about mx.nd.split() ?
URL: https://github.com/apache/incubator-mxnet/issues/8827
 
 
   `mxnet 0.12.0`
   
   when the size of data in the split axis is 1, it will return incorrect result. For example,
   
   `In [1]: import mxnet as mx
   
   In [2]: data = mx.nd.ones((2,3,4))
   
   In [3]: data_s = mx.nd.split(data, axis=1, num_outputs=data.shape[1], squeeze_axis=False)
   
   In [4]: len(data_s)
   Out[4]: 3
   
   In [5]: data_s[0].shape
   Out[5]: (2L, 1L, 4L)
   
   **but, when splitting x along axis=1 below, it will return 2 NDArray.**
   In [6]: x = data_s[0] #with shape  (2L, 1L, 4L)
   
   In [8]: x_s = mx.nd.split(x, axis=1, num_outputs=x.shape[1], squeeze_axis=False)
   
   In [9]: len(x_s)
   Out[9]: 2
   
   In [10]: x_s[0].shape
   Out[10]: (1L, 4L)
   `
   Is it a bug ?

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