Newtonian, Lagrangian and Hamiltonian mechanics are not equivalent
TL;DR: Particle under friction is Newtonian, but neither Lagrangian or Hamiltonian. Photon as a particle is Hamiltonian, but neither Lagrangian or Newtonian.
Category: Classical mechanics
Tags: Full math, Hamiltonian Mechanics, Lagrangian Mechanics, Newtonian Mechanics