A concept of the exterior derivative for functionals
134035
Can differential forms be generalized to (separable) Banach spaces?
9924
Derivative of conjugate multivariate function
86756
Can we teach Mathematica about functional differentiation?
66639
Second Derivative
90287
How to derive $[x_i, F(\vec p)] = i \hbar \frac {\partial F(\vec p)}{\partial p_i}$
84318
A problem with the functional $F(\chi) = \int_{\mathbb{R}}(\chi'^2+\chi^2(1-\chi)^2)dx$.
36826
Products of Differential Operators
15820
Discontinuous linear functional
119479
Derivative with respect to a 2-norm
80471
Derivative of $(y-XB)' h(y-XB)$ with respect to $B$
85623
Proof of continuity implied by differentiability
56429
Extension of partial derivatives and the definition of $C^k(\overline{\Omega})$
139552
Geometric intuition behind gradient, divergence and curl
124341
HeavisideTheta integration of derivative
105767
derivative under integral intuition
139631
How to take this exterior derivative of the expression $du - \sum_i p_i dx_i$?
100007
Express partial derivatives of second order (and the Laplacian) in polar coordinates