1*bf2c3715SXin Li Matrix3d m = Matrix3d::Random(); 2*bf2c3715SXin Li cout << "Here is the matrix m:" << endl << m << endl; 3*bf2c3715SXin Li cout << "Here is the sum of each row:" << endl << m.rowwise().sum() << endl; 4*bf2c3715SXin Li cout << "Here is the maximum absolute value of each row:" 5*bf2c3715SXin Li << endl << m.cwiseAbs().rowwise().maxCoeff() << endl; 6