[GitHub] zqkhan opened a new issue #7687: dec (in examples) fails for 2 cluster

[gi...@git.apache.org]

zqkhan opened a new issue #7687: dec (in examples) fails for 2 cluster
URL: https://github.com/apache/incubator-mxnet/issues/7687
 
 
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   ## Environment info
   Operating System: GNU/linux
   
   Compiler:
   
   Package used : python
   
   MXNet version: 0.7.0
   
   Or if installed from source:
   
   MXNet commit hash (`git rev-parse HEAD`):
   
   If you are using python package, please provide
   
   Python version and distribution: 2.7.5
   
   ## Error Message:
   
   Please paste the full error message, including stack trace.
   
   121.5 [220 463]
   102.5 [444 239]
   0.948755490483
   463 0.683
   Traceback (most recent call last):
     File "dec.py", line 190, in <module>
       mnist_exp(mx.cpu(0))
     File "dec.py", line 175, in mnist_exp
       a,b,y[i] = dec_model.cluster(X,Y,i)
     File "dec.py", line 155, in cluster
       train_iter, 0, 1000000000, {}, False)
     File "/home/khan.zu/mxnet-master/example/dec/../autoencoder/solver.py", line 117, in solve
       [output_buff[output_names[0]]])
     File "/shared/apps/python/Python-2.7.5/INSTALL/lib/python2.7/site-packages/mxnet-0.7.0-py2.7.egg/mxnet/metric.py", line 350, in update
       reval = self._feval(label, pred)
     File "dec.py", line 125, in ce
       return np.sum(label*np.log(label/(pred+0.000001)))/label.shape[0]
   ValueError: operands could not be broadcast together with shapes (256,2) (256,)
   
   ## Minimum reproducible example
   using the same code as in the example/dec with my own dataset which has 2 clusters, works fine when i set clusters more than 2
   if you are using your own code, please provide a short script that reproduces the error.
   
   ## Steps to reproduce
   or if you are running standard examples, please provide the commands you have run that lead to the error.
   
   1.
   2.
   3.
   
   ## What have you tried to solve it?
   
   1.
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   3.
   
 
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