List questions from vector-analysis

Published on 08 Apr 2026 - 18:45

158

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Understanding of Tangent Plane in R3

Published on 08 Apr 2026 - 22:08

78

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Confusion with gradient and divergence of vector fields and scalar fields

Published on 16 Apr 2026 - 20:44

1.8k

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On "the Hessian is the Jacobian of the gradient"

Published on 15 Apr 2026 - 19:37

191

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Derivation of the identity $\vec{\nabla}\cdot \frac{\vec{r}}{|\vec{r}|^3}=4\pi\delta^3(\vec{r})$

Published on 15 Apr 2026 - 16:49

172

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Vector identity to rewrite triple product with gradient into divergence

Published on 15 Apr 2026 - 10:37

385

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Why is the magnitude of the gradient equal to the maximum rate of change at that point?

Published on 14 Apr 2026 - 1:52

140

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Are directional derivatives symmetric around the gradient?

Published on 05 May 2026 - 9:43

192

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Show that a strict positive homogeneous function of degree 0 has a minimum and maximum.

Published on 12 Apr 2026 - 15:20

58

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A proof concerning the gradient theorem

Published on 15 Apr 2026 - 19:46

70

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Vector problem - intersecting lines

Published on 14 Apr 2026 - 6:40

74

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Calculating $\nabla\left(\nabla \cdot \boldsymbol{r}_{0} e^{i\boldsymbol{k} \cdot \boldsymbol{r}}\right)$

Published on 17 Apr 2026 - 5:14

214

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How to compute the argmin over vectors?

Published on 08 Apr 2026 - 10:01

26

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Prove: $\nabla_w((\textbf{w}^T\textbf{x})^2) = 2\textbf{w}^T\textbf{x}\textbf{x}^T$

Published on 16 Apr 2026 - 10:47

132

Views

Show that a potential flow must satisfy Euler's Equations

Published on 15 Apr 2026 - 10:50

List Question

Issue with derivation of $\nabla \times\nabla{\phi} =0 $

Understanding of Tangent Plane in R3

Confusion with gradient and divergence of vector fields and scalar fields

On "the Hessian is the Jacobian of the gradient"

Derivation of the identity $\vec{\nabla}\cdot \frac{\vec{r}}{|\vec{r}|^3}=4\pi\delta^3(\vec{r})$

Vector identity to rewrite triple product with gradient into divergence

Why is the magnitude of the gradient equal to the maximum rate of change at that point?

Are directional derivatives symmetric around the gradient?

Show that a strict positive homogeneous function of degree 0 has a minimum and maximum.

A proof concerning the gradient theorem

Vector problem - intersecting lines

Calculating $\nabla\left(\nabla \cdot \boldsymbol{r}_{0} e^{i\boldsymbol{k} \cdot \boldsymbol{r}}\right)$

How to compute the argmin over vectors?

Prove: $\nabla_w((\textbf{w}^T\textbf{x})^2) = 2\textbf{w}^T\textbf{x}\textbf{x}^T$

Show that a potential flow must satisfy Euler's Equations

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