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Syms function undefined on parallel pool workers when compiling standalone application

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Alex Baucom
Alex Baucom 2016-11-28
编辑： Song-Hyun Ji 2023-6-14
I am trying to run a simulation where I am symbolically generating a set of functions to test during each iteration. I am running several simulations at a time with parfor and it works great on my machine. I am now trying to compile this code to a standalone application to run on AWS since I need more compute power. However when I test the code on my local machine after it compiles I get this error:
'An UndefinedFunction error was thrown on the workers for 'syms'. This might be because the file containing 'syms' is not accessible on the workers. Use addAttachedFiles(pool, files) to specify the required files to be attached. See the documentation for 'parallel.Pool/addAttachedFiles' for more details.'
I don't think I should need to add the symbolic toolbox to the parallel pool... Does anybody know what might be causing this error and how to fix it? Thanks!

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Walter Roberson
Walter Roberson 2016-11-28
Nothing from the symbolic toolbox can be compiled.

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Song-Hyun Ji
Song-Hyun Ji 2023-6-14
编辑：Song-Hyun Ji 2023-6-14
Here are the example documentation and the answers page.
- Deploy Generated MATLAB Functions from Symbolic Expressions with MATLAB Compiler
https://www.mathworks.com/help/symbolic/deploy-generated-matlab-function-from-symbolic-expression.html
- How to deploy when using 'syms' and 'solve' with function input arguments to consist the equation in MATLAB Compiler
https://www.mathworks.com/matlabcentral/answers/1982214-how-to-deploy-when-using-syms-and-solve-with-function-input-arguments-to-consist-the-equation-in

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