Question

Conceptual Question on Tangent Planes to Surfaces

score 43 · Answer 1 · 2026-04-11 04:51:28

43

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Conceptual Question on Tangent Planes to Surfaces

Published on 11 Apr 2026 - 4:51

score 34 · Answer 2 · 2026-04-16 15:33:21

34

Views

Does the identity $x/dx=1/d(ln(x))$ generalize to multidimensional calculus?

Published on 16 Apr 2026 - 15:33

score 133 · Answer 3 · 2026-04-11 13:35:08

133

Views

Calculating the tangent plane on a point (x, y, z) when the function given has no z?

Published on 11 Apr 2026 - 13:35

score 69 · Answer 4 · 2026-04-11 22:22:58

69

Views

How to approach this question?

Published on 11 Apr 2026 - 22:22

score 89 · Answer 5 · 2026-04-15 07:14:24

89

Views

How to prove a smooth curve $c(t), t ∈ [a, b]$ is parameterized by arc length iff $a=0$ and $|c'(t)| = 1$.

Published on 15 Apr 2026 - 7:14

score 261 · Answer 6 · 2026-04-13 01:13:17

261

Views

Calculating divergence for parabolic coordinates.

Published on 13 Apr 2026 - 1:13

score 524 · Answer 7 · 2026-04-14 18:54:45

524

Views

If the scalar product of two vectors is equal to the magnitude of their vector product, find the angle between them.

Published on 14 Apr 2026 - 18:54

score 29 · Answer 8 · 2026-04-15 22:53:28

29

Views

Gradience wrt a Position Vector

Published on 15 Apr 2026 - 22:53

score 141 · Answer 9 · 2026-04-10 17:10:32

141

Views

Harmonic functions $u$ and $v$ such that $\nabla u = a \nabla v$ for some function $a$.

Published on 10 Apr 2026 - 17:10

score 82 · Answer 10 · 2026-03-25 22:09:49

82

Views

Vector field whose rotation is normal to a half ellipsoid

Published on 25 Mar 2026 - 22:09

score 56 · Answer 11 · 2026-04-12 03:14:56

56

Views

Prove the following sets are open in $\mathbb{R}^2$

Published on 12 Apr 2026 - 3:14

score 686 · Answer 12 · 2026-04-13 07:16:26

686

Views

What does Poincare's Lemma tell me about the existence of a vector potential and what restrictions have to be considered for the domain?

Published on 13 Apr 2026 - 7:16

score 375 · Answer 13 · 2026-04-11 18:12:23

375

Views

Sum of lower semicontinuous functions

Published on 11 Apr 2026 - 18:12

score 393 · Answer 14 · 2026-04-15 05:28:54

393

Views

Is this definition of the gradient using the exterior derivative consistent with calculus 1?

Published on 15 Apr 2026 - 5:28

score 67 · Answer 15 · 2026-04-15 16:11:38

67

Views

I am trying to figure out the critical points of a multivariable function $\ f(x,y)=(x-2)(y-2)(x+y-2)$

Published on 15 Apr 2026 - 16:11

List Question

Conceptual Question on Tangent Planes to Surfaces

Does the identity $x/dx=1/d(ln(x))$ generalize to multidimensional calculus?

Calculating the tangent plane on a point (x, y, z) when the function given has no z?

How to approach this question?

How to prove a smooth curve $c(t), t ∈ [a, b]$ is parameterized by arc length iff $a=0$ and $|c'(t)| = 1$.

Calculating divergence for parabolic coordinates.

If the scalar product of two vectors is equal to the magnitude of their vector product, find the angle between them.

Gradience wrt a Position Vector

Harmonic functions $u$ and $v$ such that $\nabla u = a \nabla v$ for some function $a$.

Vector field whose rotation is normal to a half ellipsoid

Prove the following sets are open in $\mathbb{R}^2$

What does Poincare's Lemma tell me about the existence of a vector potential and what restrictions have to be considered for the domain?

Sum of lower semicontinuous functions

Is this definition of the gradient using the exterior derivative consistent with calculus 1?

I am trying to figure out the critical points of a multivariable function $\ f(x,y)=(x-2)(y-2)(x+y-2)$

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