Add a dropout layer to a narxnet

Question

Elieser Ernesto 2024-1-23

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https://ww2.mathworks.cn/matlabcentral/answers/2073076-add-a-dropout-layer-to-a-narxnet

评论： Elieser Ernesto 2024-1-23

Hello everyone

Once I create a narxnet (for example thisone with three layers and 10 neurons eachone: net = narxnet(1:2,1:2, [10 10 10],'open', 'trainlm'))

How can I add a dropout layer to it?

Thanks in advance.

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Answer 1

Rishi 2024-1-23

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https://ww2.mathworks.cn/matlabcentral/answers/2073076-add-a-dropout-layer-to-a-narxnet#answer_1395206

Hi Elieser,

I understand from your query that you want to know how to add a dropout layer to 'narnet' neural network.

The 'narxnet' function does not provide an option to add dropout layer directly. However, you can add the dropout by defining a custom transfer function to one of the layers. Details on how to create a custom transfer function is addressed in the following MATLAB Answer:

https://www.mathworks.com/matlabcentral/answers/91887-how-do-i-add-a-custom-transfer-function-to-the-neural-network-transfer-function-library-in-neural-ne

Hope this helps!

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Elieser Ernesto 2024-1-23

Thank you for your answer Rishi

Could you explain a little bit how the transfer function works?

On one hand I have the narxnet, on the other the new layer: What does the function transfer? Is it the new layer the variable 'mytf'? How does it knows what network am I refering to?

function add_trfcn(fname)

open_system('neural');

open_system('neural/Transfer Functions');

set_param('neural','Lock','off')

add_block('simulink/User-Defined Functions/Interpreted MATLAB Function',['neural/Transfer' char(13) 'Functions/',fname], 'matlabfcn',fname,'name',fname)

Thanks in advance

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