List questions from vector-fields

Published on 01 Apr 2026 - 3:11

188

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Determine the expression of a vector field in the following coordinates.

Published on 09 Feb 2017 - 15:51

297

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Zero divergence in vector field

Published on 27 Mar 2026 - 8:47

664

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Tangent contour line path between pairs of fields

Published on 31 Mar 2026 - 21:50

34

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What can we say of the vector field of $\frac{dy}{dt}=f(t,y),$ when $f(t,3)=-1 \, \forall t$?

Published on 15 Feb 2017 - 19:16

3.3k

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Lie bracket of local orthonormal basis of vector fields

Published on 17 Feb 2017 - 9:49

820

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Divergence theorem with a hemisphere

Published on 25 Mar 2026 - 17:26

902

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Is any vector field without periodic orbits a gradient field?

Published on 26 Mar 2026 - 3:00

689

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Continuously differentiable vector fields in $\mathbb R^n$

Published on 22 Feb 2017 - 17:06

153

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Definition of Lie derivative by time-independent vectorfield

Published on 26 Mar 2026 - 12:36

285

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Finding the velocity and the speed for a particle

Published on 29 Mar 2026 - 15:21

356

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Calculate the divergence of a vector field without the definition

Published on 27 Mar 2026 - 8:42

190

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Difference between the notions of Real multivariate function and Scalar field and also between Vector multivariate function and Vector field

Published on 28 Mar 2026 - 0:26

279

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Let $f:\mathbb{R}^n\rightarrow\mathbb{R}$ be convex and $g=\nabla f$ lipschitz with constant $L$. Then $\|g(x)-g(y)\|^2\le L[g(x)-g(y)]\cdot(x-y)$.

Published on 28 Mar 2026 - 0:30

152

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Meaning of this line integral

Published on 25 Mar 2026 - 13:55

List Question

Confusion with normalizing normals and gradients in surface integrals

Determine the expression of a vector field in the following coordinates.

Zero divergence in vector field

Tangent contour line path between pairs of fields

What can we say of the vector field of $\frac{dy}{dt}=f(t,y),$ when $f(t,3)=-1 \, \forall t$?

Lie bracket of local orthonormal basis of vector fields

Divergence theorem with a hemisphere

Is any vector field without periodic orbits a gradient field?

Continuously differentiable vector fields in $\mathbb R^n$

Definition of Lie derivative by time-independent vectorfield

Finding the velocity and the speed for a particle

Calculate the divergence of a vector field without the definition

Difference between the notions of Real multivariate function and Scalar field and also between Vector multivariate function and Vector field

Let $f:\mathbb{R}^n\rightarrow\mathbb{R}$ be convex and $g=\nabla f$ lipschitz with constant $L$. Then $\|g(x)-g(y)\|^2\le L[g(x)-g(y)]\cdot(x-y)$.

Meaning of this line integral

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