How the lagrangian density is found?
10785
Form of the Classical EM Lagrangian
4421
Proof that total derivative is the only function that can be added to Lagrangian without changing the EOM
141899
Let $X$ have the exponential distribution with $\lambda=2$ Find the density function of the random variable $Y=\ln(X)$
69253
Intuitive explanation of the shape of the Maxwell-Boltzmann distribution
144838
How to know whether Lagrange multipliers gives maximum or minimum?
82135
Lagrangian to Hamiltonian in Quantum Field Theory
51122
Lagrangian of Schrodinger field
77253
Proof of Lagrange Identity
48068
Any good resources for Lagrangian and Hamiltonian Dynamics?
145651
Density of states for arbitrary dispersion relation
28057
Deriving $p = mv$ from translational symmetry (momentum conservation law)?
153727
Constant term in Lagrangian
28178
Equivalence of two Distinct Definitions of the Current Density $\textbf{J}$
68906
Do the same equations of motion imply the same Lagrangians?
72611
What is the mass density distribution of an electron?
26260
What is the meaning of the density of a distribution at a point?
73954
Density function for RV