Adding a total time derivative to a Lagrangian
111611
When can we add a total time derivative of $f(q, \dot{q}, t)$ to a Lagrangian?
118232
Is it possible for the Lagrange multiplier to be equal to zero?
80291
Relativistic velocity addition from time dilation
154127
Calculating time to reach certain velocity with drag force
10785
Form of the Classical EM Lagrangian
68523
Am I doing this right? Finding the time derivative of expectation value of momentum
100487
How to derive relation for time derivative in a rotating reference frame
150057
Approximating a three-times differentiable function by a linear combination of derivatives
64727
Total time derivatives and partial coordinate derivatives in classical mechanics
106212
Multiple derivative notation
114150
Can I have a flexible partial derivative macro?
139631
How to take this exterior derivative of the expression $du - \sum_i p_i dx_i$?
61975
How to assign up-values for `Derivative`?
43343
How to derive addition of velocities without the Lorentz transformation?
119755
First Order Time-Variant System : Picard Method
983
Use partial or covariant derivatives when deriving equations of a field theory?
112073
What does a Lagrangian of the form $L=m^2\dot x^4 +U(x)\dot x^2 -W(x)$ represent?