List questions from vector-analysis

Published on 10 Apr 2026 - 14:50

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Computing a line integral along a parabola

Published on 12 Apr 2026 - 18:02

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Find an equation for the tangent plane to the surface $2xz^2+3xy-4x=7$ at the point $(1,-1,2)$, by considering a gradient of a suitable scalar field.

Published on 16 Apr 2026 - 0:27

29

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Question about piecewise smoothness of curves

Published on 13 Apr 2026 - 22:33

121

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Question about helicoid and helix

Published on 11 Apr 2026 - 1:12

239

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Specific parametrization of a sphere

Published on 12 Apr 2026 - 9:28

59

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Minimizing the variance of arclength

Published on 14 Apr 2026 - 12:39

133

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Showing the energy is conserved in the shallow water equations

Published on 14 Apr 2026 - 4:14

123

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Curl of cross product of two vectors: $\operatorname{curl}(r\times a)$

Published on 11 Apr 2026 - 11:37

79

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Prove that $f(x) =∇f(0)·x$

Published on 16 Apr 2026 - 10:03

122

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Problem on Stokes' Theorem

Published on 10 Apr 2026 - 1:02

55

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Volume and triple integral

Published on 11 Apr 2026 - 20:11

30

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2D Kuramoto-Sivashinski equation written in components

Published on 12 Apr 2026 - 0:33

37

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First fundamental form, where's the $dt$ coming from?

Published on 12 Apr 2026 - 17:56

307

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Help with the gradient in different co-ordinate systems

Published on 13 Apr 2026 - 12:29

List Question

Clarification for two different methods on showing that a surface is smooth

Computing a line integral along a parabola

Find an equation for the tangent plane to the surface $2xz^2+3xy-4x=7$ at the point $(1,-1,2)$, by considering a gradient of a suitable scalar field.

Question about piecewise smoothness of curves

Question about helicoid and helix

Specific parametrization of a sphere

Minimizing the variance of arclength

Showing the energy is conserved in the shallow water equations

Curl of cross product of two vectors: $\operatorname{curl}(r\times a)$

Prove that $f(x) =∇f(0)·x$

Problem on Stokes' Theorem

Volume and triple integral

2D Kuramoto-Sivashinski equation written in components

First fundamental form, where's the $dt$ coming from?

Help with the gradient in different co-ordinate systems

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