Can the Euler-Lagrange equation be used to derive the stationary action formula?
44282
How do I show that there exists variational/action principle for a given classical system?
17414
Lagrangian of an effective potential
126390
Covariance of Euler-Lagrange equations under change of generalized coordinates
12949
Inductive Proof of Euler's Formula $v-e+r=2$
17121
Kinetic energy with respect to different reference frames
47230
A change of variables in the euler equation
22934
Validity of work-energy theorem in presence of non-conservative forces?
28618
Deriving Heaviside-Feynman formula for the electric field of an arbitrarily moving charge from Lienard-Wiechert potential
28935
Lagrangian of the Euler equations
45131
Derivation of equations of motion in Nordstrom's theory of scalar gravity?
97780
Deriving Newton's Third Law from homogeneity of Space
10953
Elementary argument for conservation laws from symmetries *without* using the Lagrangian formalism
137569
Generalising a Dirac Delta function formula in General Relativity
51294
Derivation of Euler's equations for rigid body rotation
92205
Does Euler formula work for complex $z$?
141128
Action of a massive free point-particle in relativistic mechanics
40355
Equivalence between Hamiltonian and Lagrangian Mechanics