Question

Use of Chain rule in PDE problem

score 187 · Answer 1 · 2026-04-01 07:57:58

187

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Use of Chain rule in PDE problem

Published on 01 Apr 2026 - 7:57

score 227 · Answer 2 · 2021-01-14 18:37:06

227

Views

Prove Chain Rule with Newton's Approximation

Published on 14 Jan 2021 - 18:37

score 8.8k · Answer 3 · 2021-01-14 19:19:50

8.8k

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Finding the gradient of $r = \sqrt{x^2+y^2+z^2}$ .

Published on 14 Jan 2021 - 19:19

score 54 · Answer 4 · 2026-03-29 03:02:26

54

Views

Euler-Lagrange equation; deriving it and understanding an example

Published on 29 Mar 2026 - 3:02

score 20 · Answer 5 · 2021-01-21 12:16:25

20

Views

Evaluating $k$ order derivative of a composition map at some point $t$. Rudin 9.30.

Published on 21 Jan 2021 - 12:16

score 180 · Answer 6 · 2021-01-22 00:52:53

180

Views

If $f(x)=g(a^Tx)$, where $g:\mathbb{R}\to\mathbb{R}$ and $a, x\in\mathbb{R}^n$, why is the Hessian equal to $g''(a^Tx)aa^T$?

Published on 22 Jan 2021 - 0:52

score 140 · Answer 7 · 2021-01-24 05:34:49

140

Views

To prove differentiability of a function at a point

Published on 24 Jan 2021 - 5:34

score 92 · Answer 8 · 2021-01-24 09:14:16

92

Views

Derivative of primitive function in high dimension

Published on 24 Jan 2021 - 9:14

score 312 · Answer 9 · 2021-01-24 09:31:42

312

Views

Show that the derivative of an even function is an odd function and vice versa using the chain rule

Published on 24 Jan 2021 - 9:31

score 31 · Answer 10 · 2021-01-24 22:19:52

31

Views

Applying the chain-rule to the function $u(x+sb, t+s)$ where $b \in \mathbb{R}^n$ is a constant vector and $s \in \mathbb{R}$

Published on 24 Jan 2021 - 22:19

score 78 · Answer 11 · 2021-01-27 23:36:29

78

Views

Chain rule for multivariable functions confusion. General formula

Published on 27 Jan 2021 - 23:36

score 458 · Answer 12 · 2026-03-28 07:57:12

458

Views

Neural ODE definition of derivative $\frac{d L}{dz(t)}$ (adjoint)

Published on 28 Mar 2026 - 7:57

score 40 · Answer 13 · 2021-01-31 12:57:02

40

Views

t-derivative of $f\left(\frac{x-g(t)}{h(t)}\right)$

Published on 31 Jan 2021 - 12:57

score 50 · Answer 14 · 2026-03-30 15:11:51

50

Views

Itô's formula for an expectation result

Published on 30 Mar 2026 - 15:11

score 89 · Answer 15 · 2026-04-02 13:26:37

89

Views

$g'(t)=\frac{\partial \rho}{\partial t}(x(t),t)+ (u(x,t).\nabla)\rho(x,t)$.

Published on 02 Apr 2026 - 13:26

List Question

Use of Chain rule in PDE problem

Prove Chain Rule with Newton's Approximation

Finding the gradient of $r = \sqrt{x^2+y^2+z^2}$ .

Euler-Lagrange equation; deriving it and understanding an example

Evaluating $k$ order derivative of a composition map at some point $t$. Rudin 9.30.

If $f(x)=g(a^Tx)$, where $g:\mathbb{R}\to\mathbb{R}$ and $a, x\in\mathbb{R}^n$, why is the Hessian equal to $g''(a^Tx)aa^T$?

To prove differentiability of a function at a point

Derivative of primitive function in high dimension

Show that the derivative of an even function is an odd function and vice versa using the chain rule

Applying the chain-rule to the function $u(x+sb, t+s)$ where $b \in \mathbb{R}^n$ is a constant vector and $s \in \mathbb{R}$

Chain rule for multivariable functions confusion. General formula

Neural ODE definition of derivative $\frac{d L}{dz(t)}$ (adjoint)

t-derivative of $f\left(\frac{x-g(t)}{h(t)}\right)$

Itô's formula for an expectation result

$g'(t)=\frac{\partial \rho}{\partial t}(x(t),t)+ (u(x,t).\nabla)\rho(x,t)$.

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