Thank you all, I have resolved the C/C++ programming issue. To use Eigen, simply copy the Eigen folder into your project and include `<Eigen>` to use it. When creating a new `.cpp` file, you need to rename `main.c` to `main.cpp`, and all other `.c` f...

Thank you all very much! After some attempts, I found that simply placing the **Eigen** folder from the downloaded files into my project resolved the issue. Now, using Eigen no longer causes any difficulties, and the code compiles without syntax erro...

I hope this message finds you well. I wanted to follow up and ask if you were able to resolve the issue you mentioned regarding the Eigen library. I am encountering the same problem, where it keeps showing an error about a missing main.h file.Any hel...