Not able to use MINGW compiler for C++
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Hi, I am trying to run this example file (https://de.mathworks.com/help/coder/ug/generate-cpp-classes-for-matlab-classes-that-model-simple-and-damped-oscillators.html) on my PC with Matlab 2021b and I get the following error message even though I have installed the MinGW C/C++ compiler. I have tried to resolve this but was not successful. Please help me. ![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/770948/image.jpeg)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/770948/image.jpeg)
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Ji Lee
2021년 10월 18일
편집: Ji Lee
2021년 10월 18일
What was the command that you executed to elicit that error? That error seems to indicate that you were directly calling the "mex" function whereas the MATLAB Coder example you mentioned utilizes the "codegen" function that comes with MATLAB Coder. If that example errors, what does it say?
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David Fink
2021년 10월 21일
As Gagan figured out, the Visual Studio compiler was not correctly installed, and uninstalling + reinstalling it allowed MATLAB to find it.
For reference, here is the page describing how to change MATLAB's default compiler:
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