Question

Find the critical points of $[x^1,x^2,x^3] \to \frac{3(x^1)^2}{(x^1)^2+(x^2)^2+(x^3)^2}$

score 21 · Answer 1 · 2026-04-17 07:55:38

21

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Find the critical points of $[x^1,x^2,x^3] \to \frac{3(x^1)^2}{(x^1)^2+(x^2)^2+(x^3)^2}$

Published on 17 Apr 2026 - 7:55

score 32 · Answer 2 · 2026-04-15 19:48:04

32

Views

Proper notation for vector divergence

Published on 15 Apr 2026 - 19:48

score 594 · Answer 3 · 2026-04-17 14:46:27

594

Views

Find the flux for the vector field $F =(x^2,y^2,z^2)$

Published on 17 Apr 2026 - 14:46

score 88 · Answer 4 · 2026-04-13 09:43:31

88

Views

Calculate and find the flux integral

Published on 13 Apr 2026 - 9:43

score 1.7k · Answer 5 · 2026-04-16 00:37:23

Find the point on the graph of$ z=x^2−y^2$ at which vector $\vec{n}=⟨−8,12,−2⟩$ is normal to the tangent plane $P$.

score 36 · Answer 6 · 2026-04-16 01:39:12

36

Views

Converse of a theorem regarding vector potentials

Published on 16 Apr 2026 - 1:39

score 158 · Answer 7 · 2026-04-17 03:40:49

158

Views

de Rham Cohomology with boundary conditions?

Published on 17 Apr 2026 - 3:40

score 25 · Answer 8 · 2026-04-15 04:10:55

25

Views

How would you write $\frac{\partial m_j}{\partial x_i} = \frac{\partial H_j}{\partial x_i}m_j$ in vector notation?

Published on 15 Apr 2026 - 4:10

score 29 · Answer 9 · 2026-04-14 06:18:16

29

Views

Parametrizing a curve between surfaces with boundary values

Published on 14 Apr 2026 - 6:18

score 299 · Answer 10 · 2026-04-15 19:26:40

299

Views

Divergence of magnetic field $B = \frac{\mu_0 I}{2\pi r}$

Published on 15 Apr 2026 - 19:26

score 41 · Answer 11 · 2026-04-12 02:01:57

41

Views

relationship between Krylov subspaces and the Rayleigh quotient

Published on 12 Apr 2026 - 2:01

score 40 · Answer 12 · 2026-04-14 17:10:27

40

Views

Can I take the gradient of a function like this?

Published on 14 Apr 2026 - 17:10

score 67 · Answer 13 · 2026-04-16 08:54:11

67

Views

Gradient and hessian of a function

Published on 16 Apr 2026 - 8:54

score 75 · Answer 14 · 2026-04-16 12:44:55

75

Views

$\nabla\left(\nabla \boldsymbol{r}_{0} e^{i \boldsymbol{k} \boldsymbol{r}} e^{-i \omega t}\right) $- meaning?

Published on 16 Apr 2026 - 12:44

score 52 · Answer 15 · 2026-04-11 18:13:05

52

Views

Can the del operator be "separated" like this?

Published on 11 Apr 2026 - 18:13

List Question

Find the critical points of $[x^1,x^2,x^3] \to \frac{3(x^1)^2}{(x^1)^2+(x^2)^2+(x^3)^2}$

Proper notation for vector divergence

Find the flux for the vector field $F =(x^2,y^2,z^2)$

Calculate and find the flux integral

Find the point on the graph of$ z=x^2−y^2$ at which vector $\vec{n}=⟨−8,12,−2⟩$ is normal to the tangent plane $P$.

Converse of a theorem regarding vector potentials

de Rham Cohomology with boundary conditions?

How would you write $\frac{\partial m_j}{\partial x_i} = \frac{\partial H_j}{\partial x_i}m_j$ in vector notation?

Parametrizing a curve between surfaces with boundary values

Divergence of magnetic field $B = \frac{\mu_0 I}{2\pi r}$

relationship between Krylov subspaces and the Rayleigh quotient

Can I take the gradient of a function like this?

Gradient and hessian of a function

$\nabla\left(\nabla \boldsymbol{r}_{0} e^{i \boldsymbol{k} \boldsymbol{r}} e^{-i \omega t}\right) $- meaning?

Can the del operator be "separated" like this?

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