1Vector3d v(1,0,0); 2Vector3d w(1e-4,0,1); 3cout << "Here's the vector v:" << endl << v << endl; 4cout << "Here's the vector w:" << endl << w << endl; 5cout << "v.isOrthogonal(w) returns: " << v.isOrthogonal(w) << endl; 6cout << "v.isOrthogonal(w,1e-3) returns: " << v.isOrthogonal(w,1e-3) << endl; 7