Partial derivative of $v$ w.r.t. $x$ in Lagrangian dynamics
105572
Independent Variables of a Lagrangian
98800
Do local flows of left-invariant vector fields satisfy $\Phi_X^t\circ L_x=L_x\circ \Phi_X^t$?
10785
Form of the Classical EM Lagrangian
11205
Computing second partial derivative with polar coordinates
45071
Having the derivative be an operator
16786
Is there any case in physics where the equations of motion depend on high time derivatives of the position?
90287
How to derive $[x_i, F(\vec p)] = i \hbar \frac {\partial F(\vec p)}{\partial p_i}$
9924
Derivative of conjugate multivariate function
4989
Why are there only derivatives to the first order in the Lagrangian?
125774
Derivative of $a^x$ from first principles
37424
variational question
8844
Higher-order partial derivatives w.r.t. variable raised to some power
68523
Am I doing this right? Finding the time derivative of expectation value of momentum
56275
Vector derivative w.r.t its transpose $\frac{d(Ax)}{d(x^T)}$
117613
Interchange of partial derivative and limit
112209
Landau's argument for dependence of Lagrangian on magnitude of velocity
155913
Lagrangian for free particle in special relativity