Block Parameters are Always Deleted

Question

Roberto Louis Moran 2020-12-10

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https://ww2.mathworks.cn/matlabcentral/answers/689539-block-parameters-are-always-deleted

编辑： Fangjun Jiang 2020-12-10

I created parameters in the block parameter options for several transfer functions and gains. I opted to save each one on 'Base Workspace'. Everytime I close the project, Matlab deletes the parameters and I have to do everything all over again.

How do I prevent that?

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Answer 1

Fangjun Jiang 2020-12-10

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https://ww2.mathworks.cn/matlabcentral/answers/689539-block-parameters-are-always-deleted#answer_571304

编辑：Fangjun Jiang 2020-12-10

That is expected behavior. I don't know why it was designed that way. To avoid the problem, do either one of these:

Create the variable in Model workspace, it will be saved with the model.
Create the variable in a Simulink Data Dictionary, it will be saved to a .sldd file.
Save the workspace variable to a .mat file before closing MATLAB. Next time, load the .mat file first.
Export the workspace variable to a .m file before closing MATLAB. Next time, run the .m file first.