1 Matrix4Xd M = Matrix4Xd::Random(4,5); 2 Projective3d P(Matrix4d::Random()); 3 cout << "The matrix M is:" << endl << M << endl << endl; 4 cout << "M.colwise().hnormalized():" << endl << M.colwise().hnormalized() << endl << endl; 5 cout << "P*M:" << endl << P*M << endl << endl; 6 cout << "(P*M).colwise().hnormalized():" << endl << (P*M).colwise().hnormalized() << endl << endl; 7