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Undefined function or variable error using Neural Network Toolbox

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I am following the provided example for Long-Short-Term-Memory networks found in the Neural Network Toolbox (https://de.mathworks.com/help/nnet/examples/classify-sequence-data-using-lstm-networks.html) and whenever I use the code given in the example for training the network
net = trainNetwork(X,Y,layers,options);
I get the following error:
>> net = trainNetwork(X,Y,layers,options);
Training on single GPU.
|=========================================================================================|
| Epoch | Iteration | Time Elapsed | Mini-batch | Mini-batch | Base Learning|
| | | (seconds) | Loss | Accuracy | Rate |
|=========================================================================================|
Error using trainNetwork (line 140)
Undefined function or variable 'endfunction'.
Caused by:
Undefined function or variable 'endfunction'.
I tried re-installing the toolbox and rehasing the toolbox cache but it does not matter. Also, if I try to use
maxEpochs = 150;
miniBatchSize = 27;
shuffle = 'never';
cpu = 'cpu';
options = trainingOptions('sgdm', ...
'MaxEpochs',maxEpochs, ...
'MiniBatchSize',miniBatchSize, ...
'Shuffle', shuffle), 'ExecutionEnvironment' , cpu);
I get this error message:
>> net = trainNetwork(X,Y,layers,options);
Error using trainNetwork (line 140)
Undefined function or variable 'endfunction'.
Caused by:
Undefined function or variable 'endfunction'.
It looks like while using the CPU for computation the function does not even start.
Thanks in advance.

Risposta accettata

Walter Roberson
Walter Roberson il 27 Ott 2017
endfunction is for Octave code not MATLAB
  4 Commenti
Akib Rahman
Akib Rahman il 22 Giu 2018
Modificato: Akib Rahman il 22 Giu 2018
@Walter I am facing same type problem! I also use your suggestion ( dbstop if caught error ) but it is same. What should I do? In my PC neural network toolbox already installed.
When I run my code it gives me this error
Undefined function or variable 'batchNormalizationLayer'.
Error in leafRNN (line 30)
batchNormalizationLayer

Accedi per commentare.

Più risposte (1)

Shounak Mitra
Shounak Mitra il 31 Ott 2017
Modificato: Walter Roberson il 31 Ott 2017
options = trainingOptions('sgdm', ...
'MaxEpochs',maxEpochs, ...
'MiniBatchSize',miniBatchSize, ...
'Shuffle', shuffle), 'ExecutionEnvironment' , cpu);
You might want to remove the bracket after shuffle? ;-)

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