1 Matrix3d m = Matrix3d::Random();
2 cout << "Here is the matrix m:" << endl << m << endl;
3 Matrix<ptrdiff_t, 3, 1> res = (m.array() >= 0.5).rowwise().count();
4 cout << "Here is the count of elements larger or equal than 0.5 of each row:" << endl;
5 cout << res << endl;
6