I want to go through the code to find out where variables are used in the model and what functions are available.

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Fangping
Fangping 2024-6-26
回答： Fangping 2024-7-15
I want to go through the code to find out where variables are used in the model and what functions are available. Equivalent to the following operation is implemented using code.

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Fangping
Fangping 2024-7-15
Thanks for your help, I have found the answer to this question.
varObj = Simulink.VariableUsage(needcheckvar,'base workspace');
varsToImport = Simulink.findVars('MyModel',varObj,'FindUsedVars','on');
varsToImport.Users
You can see which modules are used.
Note: "needcheckvar" can be char or cell.

更多回答（2 个）

Dheeraj
Dheeraj 2024-6-26
Hi Fangping,
I understand you want to programmatically find where variables are used in a Simulink model.
This can be acheived using MATLAB's "find_system" function. This function allows you to search for models, blocks, lines, ports, and annotations directly from MATLAB scripts.
To know more about how to use "find_system" and the functional parameters that can be passed, you could refer to the below MATLAB's documentation.
https://www.mathworks.com/help/simulink/slref/find_system.html
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Fangping
Fangping 2024-6-27
Hello, I want to find out which modules of variables are used in the model, but the location of model attributes used by each module is not the same. Unless I know all of the attribute fillable variable names in advance, I can't find all the modules that use variables.

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Matlab Pro
Matlab Pro 2024-6-26
Hi @Fangping.
Well - maybe this is obvious ...:
"where variables are used"
type Ctrl-Shift-F which opens the "Find in files" GUI.
I have attached an image with the GUI and marked places you need to change/configure according to your needs
" what functions are available"
If you can open the file in Matlab editor - all you need to do is click on the "GoTo" button (see another attached image)
Good luck

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