Sym Function to Simulink

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Tobias Gebhard
Tobias Gebhard 2020-8-18
评论： Tobias Gebhard 2020-8-25
I have a symbolic function that I want to get to a Simulink System.
The parameters may change, so copy and paste to a Matlab/S-Function is not an option.
I found out, with matlabFunction I can create a function handle from the symfun. But getting a function handle to a Simulink function, seems also a problem.

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Harshendra Shah
Harshendra Shah 2020-8-21
Hi Tobias,
I think you can use 'matlabFunctionBlock' function to Generate MATLAB Function Blocks from Symbolic Expressions. You can refer to the following link:
https://www.mathworks.com/help/symbolic/generate-matlab-function-blocks.html
There is also an other way to use Symbolic Function inside a Simulink model. Going through following MATLAB Answers post might help you.
https://www.mathworks.com/matlabcentral/answers/154695-how-to-use-symbolic-variables-and-functions-syms-in-a-simulink-matlab-function
https://www.mathworks.com/matlabcentral/answers/361832-how-to-implement-symbolic-matlab-function-on-simulink
I hope this helps.
Regards,
Harshendra
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Tobias Gebhard
Tobias Gebhard 2020-8-25
The matlabFunctionBlock is working like intended.
A bit annoying, the slx has to be saved every time. The best solution for dynamic code would be a block that can read a workspace variable containing a symfun or function handle.

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