Suppress a warning message from importNetworkFromPyTorch function.

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SHC
SHC 2025-4-13
回答： Manikanta Aditya 2025-4-13
Hello,
When I use importNetworkFromPyTorch() function to import a Torch neural network to MATLAB, the function always prints a warning message as below:
Warning: Network was imported as an uninitialized dlnetwork. Before using the network, initialize it with formatted dlarray(s):
% Create sample data for the network input at index 1:
dlX1 = dlarray(<dataArray1>, <missingFormat>);
% Initialize the network with formatted data:
net = initialize(net, dlX1);
I know that I need to initialize the imported network before using it, so I do not want to see the warning every time when I use the function.
However, I could not find any options in the function to suppress the printing.
Is there a way to suppress the printing?

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Manikanta Aditya
Manikanta Aditya 2025-4-13
Hi @SHC,
You can suppress specific warning messages in MATLAB by using the warning function with the appropriate message identifier. Here's how you can do it:
  • After the warning is issued, you can use the lastwarn function to get the identifier:
[~, MSGID] = lastwarn();
  • Use the warning function with the identifier to turn off the specific warning:
warning('off', MSGID);
  • For your specific case, you can add these lines after importing the network to suppress the warning:
importNetworkFromPyTorch(...); % Your import function
[~, MSGID] = lastwarn();
warning('off', MSGID);
Refer to the following documentations:
I hope this helps.

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