Derivatives with Two Indices in Electromagnetic Lagrangian
42392
Derivation of Maxwell's equations from field tensor lagrangian
155492
Exercise on local and global symmetry for a given Lagrangian density
89185
The notation for partial derivatives
25164
Velocity-Dependent Potential and Helmholtz Identities
74566
Electromagnetic Tensor in Cylindrical Coordinates
109187
The differences between Lagrange and Leibniz's derivative notations
138424
Scalar field Derivative. Real vs Complex
125738
Names of higher-order derivatives
27862
Symbols of derivatives
3603
Lagrangian and Hamiltonian EOM with dissipative force
11205
Computing second partial derivative with polar coordinates
66639
Second Derivative
153727
Constant term in Lagrangian
112187
Is there a way to see that $ \nabla_\mu g_{\nu \rho} = 0 $ without explicit computation, where $\nabla_\mu$ refers to the covariant derivative?
125774
Derivative of $a^x$ from first principles
51253
Graphical intuition behind directional derivative interpreted as a(∂f/∂x)+b(∂f/∂y), where  is directional vector of unit length?
87487
Applications of derivatives outside mathematics and physics