Partial Derivative and Dirac Notation
89004
Where does the partial derivative come from in Sakurai's derivation of the momentum operator?
109187
The differences between Lagrange and Leibniz's derivative notations
147524
Why is the "canonical momentum" for the Dirac equation not defined in terms of the "gauge covariant derivative"?
45363
Show that both mixed partial derivatives exist at the origin but are not equal
105997
Geometric interpretation of $\frac {\partial^2} {\partial x \partial y} f(x,y)$
87141
Represent Dirac distruibution as a combination of derivatives of continuous functions?
113970
Compute $\int_cd\omega$ and $\int_{\partial c}\omega$
61209
Interpretation of the Dirac-measure property
11205
Computing second partial derivative with polar coordinates
66939
Picturing the how the covariant derivative acts on vector fields
26896
Why can't $ i\hbar\frac{\partial}{\partial t}$ be considered the Hamiltonian operator?
68310
Why can partial derivatives be exchanged?
11182
Derivation of the Partial Derangement (Rencontres numbers) formula
13020
Proof for the funky trace derivative : $d (\operatorname{trace} (ABA'C))$?
146699
Dirac Delta Function of a Function
65659
Partial derivative paradox
153794
What is the meaning of $1/(D+a)$, where $D$ is the derivative operator?