I'm using the Neural network toolbox narx function but when I try to run the app, it says Undefined variable or network. Does anyone know how to fix this?

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Srihita Mediboina 2017-9-5

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https://ww2.mathworks.cn/matlabcentral/answers/355191-i-m-using-the-neural-network-toolbox-narx-function-but-when-i-try-to-run-the-app-it-says-undefined

关闭： MATLAB Answer Bot 2021-8-20

I have put in my data into the NARX function and have not changed any of the default settings. I have also tried the examples given by Matlab but I am getting the same error. I am fairly new to Matlab, does anyone know how I can fix this? It's urgent. Thanks.

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Walter Roberson 2017-9-5

Please show the complete error message and your line of code

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Answer 1

Mark Schwab 2017-9-7

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https://ww2.mathworks.cn/matlabcentral/answers/355191-i-m-using-the-neural-network-toolbox-narx-function-but-when-i-try-to-run-the-app-it-says-undefined#answer_280621

编辑：Mark Schwab 2017-9-7

It appears that you do not have access to the Neural Network Toolbox. You can check this by running the following command:

>> license checkout 'neural_network_toolbox'

If the output is 0 you do not have the Neural Network Toolbox downloaded.

If you are a student at a university, the personal downloads typically do not include toolbox downloads. However, computer labs, and other on campus computers may have the toolboxes.