Error using concatenationLayer Cannot define property 'Name'

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José Enrique Almanza Medina 2020-7-27

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https://ww2.mathworks.cn/matlabcentral/answers/571108-error-using-concatenationlayer-cannot-define-property-name

评论： José Enrique Almanza Medina 2020-7-30

采纳的回答： Harsha Priya Daggubati

Hello,

I am trying to define a concatenation layer in Matlab 2020a but I get the following error:

Error using concatenationLayer Cannot define property 'Name' in class 'concatenationLayer' because the property has already been defined in the superclass 'Layer'.

I get the same error even using the simple command from the help from matlab

concat = concatenationLayer(4,2,'Name','concat')

This is strange, because I have been using this command since version 2019a but now that I migrated to 2020a I get the error.

I hope anyone can help me to fix this issue.

Best regards,

José

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Harsha Priya Daggubati 2020-7-30

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https://ww2.mathworks.cn/matlabcentral/answers/571108-error-using-concatenationlayer-cannot-define-property-name#answer_472930

编辑：Harsha Priya Daggubati 2020-7-30

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Hi,

Did you try using a new layer name other than 'concat', as the error mentions the name has already been used in a superclass.

I tried to work the same at my end, it works completely fine for me.

If the problem still persists, try using the following commands and retry your work.

rehash toolbox
rehash toolboxcache

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Harsha Priya Daggubati 2020-7-30

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Hi,

Can you just give a try with this command:

which concatenationLayer

This will be the expected output for the above command:

'C:\Program Files\MATLAB\R2020a\toolbox\nnet\cnn\concatenationLayer.m'

José Enrique Almanza Medina 2020-7-30

Hi,

That command showed me that I had a function made by me with the exact same name in my MATLAB folders. I think this is an old attempt to create my own version of the layer. This is quite silly from my side, it got mixed between a lot of scripts.

I removed it and that fixed the issue. Thanks a lot for your assitance.

Best regards,

José Almanza

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