Independent Variables of a Lagrangian
7149
Calculus of variations -- how does it make sense to vary the position and the velocity independently?
96880
How to obtain Hamiltonian formalism and phase space for Lagrangian with second-derivatives?
57740
Counting independent components of Riemann curvature tensor
153656
What Lagrangian counterterms might be needed in a $\phi^ 6$ theory in 3D?
131005
How to determine which variables are dependent or independent?
3603
Lagrangian and Hamiltonian EOM with dissipative force
79283
Internal forces in an isolated system
109187
The differences between Lagrange and Leibniz's derivative notations
120474
Does the lagrangian contain all the information about the representations of the fields in QFT?
37424
variational question
118867
Independence of Gaussian variables
28935
Lagrangian of the Euler equations
155913
Lagrangian for free particle in special relativity
62387
What are independent parameters in Hellmann–Feynman theorem?
91090
Trying to understand the idea behind path independence for line integrals
146853
Do we need inertial frames in Lagrangian mechanics?
126390
Covariance of Euler-Lagrange equations under change of generalized coordinates