如何在Matlab 2016b中导入Eigen C ++库？

Question

Trying to run this command in matlab:

mex nameofthemainfile.cpp

It throws out the following error:

Error using mex nameofthemainfile.cpp ...\\source\\NameOfAnotherFile.h(10): fatal error C1083: Cannot open include file: 'Eigen/Core': No such file or directory

I am using VS2015 c++ compiler. Do I need to use another one?

Answer 1

You cannot compile c++ libraries with mex to use them in matlab, but you can write a wrapper (let's say MexEigen.cpp ) where the entry point void mexFunction(...) internally makes use of the Eigen library. Then, when compiling it with mex remember to add the include path for Eigen headers:

mex MexEigen.cpp -I[PATH_TO_EIGEN_INCLUDE]