3 #ifdef EIGEN_SHOULD_FAIL_TO_BUILD LU decomposition of a matrix with partial pivoting, and related features.
Namespace containing all symbols from the Eigen library.
cout<< "Here is the matrix m:"<< endl<< m<< endl;Eigen::FullPivLU< Matrix5x3 > lu(m)
The matrix class, also used for vectors and row-vectors.