1 Matrix3f A = Matrix3f::Random(3,3), B; 2 B << 0,1,0, 3 0,0,1, 4 1,0,0; 5 cout << "At start, A = " << endl << A << endl; 6 A.applyOnTheLeft(B); 7 cout << "After applyOnTheLeft, A = " << endl << A << endl; 8