List questions from vector-analysis

Published on 16 Apr 2026 - 6:22

133

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How to Prove $\oint ({\mathcal{\hat{r}}} \cdot \vec r') \mathrm{ d\vec l'} = -{\mathcal{\hat{r}}} \times \int \mathrm{d\vec a'}$?

Published on 14 Apr 2026 - 2:05

1.6k

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Is the Flux equal to gradient in Vector analysis?

Published on 26 Mar 2026 - 13:07

35

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Some questions about linear operator in Brouwer degree.

Published on 09 Apr 2026 - 20:17

67

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What's the surface expressed as $\lambda_1=\cos \alpha_1=$const?

Published on 14 Apr 2026 - 1:42

609

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Proving harmonic function is zero

Published on 14 Apr 2026 - 6:42

8.6k

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Show that $\epsilon_{ijk}\epsilon_{ljk}=2\delta_{il}$

Published on 14 Apr 2026 - 12:36

85

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Non commutative flows on the 2-sphere.

Published on 28 Mar 2026 - 5:29

137

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Solving PDEs given by a vector field

Published on 14 Apr 2026 - 16:12

842

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Does there exist a differentiable conservative vector field with non - vanishing curl?

Published on 11 Apr 2026 - 16:58

35

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How to interpret $d\vec s$?

Published on 12 Apr 2026 - 15:01

4.7k

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Equation of A Tangent Line To a Sphere

Published on 09 Apr 2026 - 21:12

4.7k

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The "inverse" of $\nabla\times$ operator

Published on 31 Mar 2026 - 0:41

2.5k

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Rate of change and gradient

Published on 16 Apr 2026 - 12:30

764

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cross product of E and H

Published on 14 Apr 2026 - 11:28

List Question

Visualizing linear transformations on vector fields

How to Prove $\oint ({\mathcal{\hat{r}}} \cdot \vec r') \mathrm{ d\vec l'} = -{\mathcal{\hat{r}}} \times \int \mathrm{d\vec a'}$?

Is the Flux equal to gradient in Vector analysis?

Some questions about linear operator in Brouwer degree.

What's the surface expressed as $\lambda_1=\cos \alpha_1=$const?

Proving harmonic function is zero

Show that $\epsilon_{ijk}\epsilon_{ljk}=2\delta_{il}$

Non commutative flows on the 2-sphere.

Solving PDEs given by a vector field

Does there exist a differentiable conservative vector field with non - vanishing curl?

How to interpret $d\vec s$?

Equation of A Tangent Line To a Sphere

The "inverse" of $\nabla\times$ operator

Rate of change and gradient

cross product of E and H

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