Scaling symmetry
= Scaling symmetry
A scaling symmetry acts by weighted dilations of the independent and dependent variables. Its infinitesimal generator is a weighted sum of Euler vector fields such as $x\partial_x+pu\partial_u$.
= Scaling symmetry
A scaling symmetry acts by weighted dilations of the independent and dependent variables. Its infinitesimal generator is a weighted sum of Euler vector fields such as $x\partial_x+pu\partial_u$.