1 MatrixXi m = MatrixXi::Random(3,4); 2 cout << "Here is the matrix m:" << endl << m << endl; 3 cout << "Here is the reverse of m:" << endl << m.reverse() << endl; 4 cout << "Here is the coefficient (1,0) in the reverse of m:" << endl 5 << m.reverse()(1,0) << endl; 6 cout << "Let us overwrite this coefficient with the value 4." << endl; 7 m.reverse()(1,0) = 4; 8 cout << "Now the matrix m is:" << endl << m << endl; 9