MATLAB R2023a: Model missing parameters after calling open_system

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Brad 2023-4-3

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https://ww2.mathworks.cn/matlabcentral/answers/1940254-matlab-r2023a-model-missing-parameters-after-calling-open_system

评论： Daniel 2023-4-3

I am currently in the midst of upgrading a matlb project to support R2023a which generates/displays a simulink model and am noticing that, after I have saved and reopened the model that I am missing several of the parameters which I have set using set_param. Is this a known issue with R2023a, or has something changed with open_system/save_system that I am unaware of (as the same pairing works correctly in all previous releases of MATLAB that I have tested it with).

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Brad 2023-4-3

Hi Daniel,

The parameters in question are all CustomProperties, which don't appear to be loading after calling open_system. Unfortunately, I don't have a specific block for you.

Daniel 2023-4-3

There's not much anyone can do without detail. If there's a file or set of files that you can share which replicates the issue, that would be a good starting point. It's also a lot easier to guarantee that smaller examples are free of sensitive information, if that's a concern.

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