Question

How do I obtain this function for the surface integral to be zero?

score 53 · Answer 1 · 2026-03-25 06:18:56

53

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How do I obtain this function for the surface integral to be zero?

Published on 25 Mar 2026 - 6:18

score 52 · Answer 2 · 2018-03-05 22:01:10

52

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Equation with vectors.

Published on 05 Mar 2018 - 22:01

score 44 · Answer 3 · 2018-03-05 22:27:14

44

Views

Finding the derivative of a vector w.r.t. another

Published on 05 Mar 2018 - 22:27

score 3.8k · Answer 4 · 2018-03-06 00:41:32

3.8k

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The gradient as a limit of a difference quotient

Published on 06 Mar 2018 - 0:41

score 1.2k · Answer 5 · 2026-03-25 06:19:13

1.2k

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How do I find the unit normal for the surface integral?

Published on 25 Mar 2026 - 6:19

score 46 · Answer 6 · 2026-03-21 03:36:31

46

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Given $\alpha(x,y,z) = \alpha_1\hat x +\alpha_2 \hat y+\alpha_3 \hat z$, how to write in the coordinates $\hat r, \hat \theta, \hat \phi$

Published on 21 Mar 2026 - 3:36

score 110 · Answer 7 · 2026-03-25 01:40:06

110

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Is $\nabla\cdot\hat{\frac{r}{r^3}}=-\frac{1}{r^4}+\frac{1}{r}4\pi\delta\vec{r}$ correct?

Published on 25 Mar 2026 - 1:40

score 7.6k · Answer 8 · 2018-03-06 21:59:11

7.6k

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Unit normal of sphere in cartesian coordinates

Published on 06 Mar 2018 - 21:59

score 370 · Answer 9 · 2018-03-07 23:54:16

370

Views

Let $f : \mathbb{R}^n \rightarrow \mathbb{R}^n$ be given by the equation $f(x)=\|x\|^2\cdot x$

Published on 07 Mar 2018 - 23:54

score 53 · Answer 10 · 2018-03-08 02:13:05

53

Views

How to show the following gradient equation is true?

Published on 08 Mar 2018 - 2:13

score 950 · Answer 11 · 2018-03-08 12:09:24

950

Views

How does adding a inverse cube force field to a inverse square force field change the orbit?

Published on 08 Mar 2018 - 12:09

score 143 · Answer 12 · 2026-03-24 23:51:00

143

Views

Elliptic-polar coordinates change

Published on 24 Mar 2026 - 23:51

score 39 · Answer 13 · 2018-03-08 16:06:53

39

Views

Maximum points for heat flux density

Published on 08 Mar 2018 - 16:06

score 315 · Answer 14 · 2026-03-22 08:47:25

315

Views

Why is $\oint_{C_{r_{0}}} \mathbf{v} \cdot \mathbf{r}' \mathrm ds$ called the circulation of the flow around $C_{r_{0}}$?

Published on 22 Mar 2026 - 8:47

score 252 · Answer 15 · 2018-03-09 08:57:55

252

Views

vector calculus: distribution of dot product over outer product

Published on 09 Mar 2018 - 8:57

List Question

How do I obtain this function for the surface integral to be zero?

Equation with vectors.

Finding the derivative of a vector w.r.t. another

The gradient as a limit of a difference quotient

How do I find the unit normal for the surface integral?

Given $\alpha(x,y,z) = \alpha_1\hat x +\alpha_2 \hat y+\alpha_3 \hat z$, how to write in the coordinates $\hat r, \hat \theta, \hat \phi$

Is $\nabla\cdot\hat{\frac{r}{r^3}}=-\frac{1}{r^4}+\frac{1}{r}4\pi\delta\vec{r}$ correct?

Unit normal of sphere in cartesian coordinates

Let $f : \mathbb{R}^n \rightarrow \mathbb{R}^n$ be given by the equation $f(x)=\|x\|^2\cdot x$

How to show the following gradient equation is true?

How does adding a inverse cube force field to a inverse square force field change the orbit?

Elliptic-polar coordinates change

Maximum points for heat flux density

Why is $\oint_{C_{r_{0}}} \mathbf{v} \cdot \mathbf{r}' \mathrm ds$ called the circulation of the flow around $C_{r_{0}}$?

vector calculus: distribution of dot product over outer product

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