[GitHub] wkcn commented on issue #14268: Add numpy module under root module mxnet

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wkcn commented on issue #14268: Add numpy module under root module mxnet
URL: 
https://github.com/apache/incubator-mxnet/issues/14268#issuecomment-468168003
 
 
   @reminisce 
   The block in gluon accepts the instance of mx.nd.NDArray or mx.nd.Symbol.
   We can distinguish between symbolic and imperative namespaces by the type of 
inputs.
   
   An Example:
   ```python
   import mxnet as mx
   
   
   class TestBlock(mx.gluon.nn.HybridBlock):
       def hybrid_forward(self, F, x):
           if isinstance(x, mx.nd.NDArray):
               print('the input is an instance of NDArray')
           elif isinstance(x, mx.sym.Symbol):
               print('the input is an instance of Symbol')
           return x
   
   
   block = TestBlock()
   a_nd = mx.nd.array([1, 2, 3])
   print(block(a_nd))
   a_sym = mx.sym.Variable('a')
   print(block(a_sym))
   ```

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