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
