Question

How can we describe the path of the curve $r=( t , \frac{t^2 - 1}{2} , \frac{t^2 - 1}{2})$?

score 88 · Answer 1 · 2026-04-17 06:44:08

88

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How can we describe the path of the curve $r=( t , \frac{t^2 - 1}{2} , \frac{t^2 - 1}{2})$?

Published on 17 Apr 2026 - 6:44

score 555 · Answer 2 · 2026-04-15 18:27:13

555

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Local coordinates near point such that $X= \partial_1$ is relative to those coordinates, vector field with isolated s.t. coordinates do not exist?

Published on 15 Apr 2026 - 18:27

score 5.2k · Answer 3 · 2026-04-17 06:31:03

5.2k

Views

Solve for the gradient of $\log \sum\limits_{i = 1}^{m} \exp(a_i^Tx + bi)$

Published on 17 Apr 2026 - 6:31

score 14.5k · Answer 4 · 2026-04-12 01:31:35

14.5k

Views

How to find the magnitude of a sum of vectors, given the magnitudes of the individual vectors?

Published on 12 Apr 2026 - 1:31

score 1.8k · Answer 5 · 2026-04-12 07:50:10

1.8k

Views

What are the dual basis vectors?

Published on 12 Apr 2026 - 7:50

score 71 · Answer 6 · 2026-04-16 12:48:26

71

Views

Equivalent relation of curves

Published on 16 Apr 2026 - 12:48

score 51.1k · Answer 7 · 2026-04-10 06:39:22

51.1k

Views

Del operator in Cylindrical coordinates (problem in partial differentiation)

Published on 10 Apr 2026 - 6:39

score 105 · Answer 8 · 2026-04-14 04:56:53

105

Views

Congruent Transformation and Wedge Product

Published on 14 Apr 2026 - 4:56

score 61 · Answer 9 · 2026-04-12 19:31:00

61

Views

What does it mean for a closed set to contain a sequence?

Published on 12 Apr 2026 - 19:31

score 40 · Answer 10 · 2026-04-14 12:50:28

Do you need subsequences to prove: $A_1, A_2 \subseteq \mathbb{R^n}$ closed sets $\implies$ $A_1 \cup A_2$ closed?

score 3k · Answer 11 · 2026-04-14 21:52:12

3k

Views

Is there a simple way of showing that the directional derivative is the dot product of grad(f) with the directional vector u?

Published on 14 Apr 2026 - 21:52

score 728 · Answer 12 · 2026-04-12 04:27:47

728

Views

How to show that this function $f$ is continuously differentiable,

Published on 12 Apr 2026 - 4:27

score 190 · Answer 13 · 2026-04-11 05:54:53

190

Views

How to compute the "jump", using the divergence theorem,

Published on 11 Apr 2026 - 5:54

score 63 · Answer 14 · 2026-04-16 04:45:02

63

Views

Is it possible to compute the volume of a cone on a inner product space?

Published on 16 Apr 2026 - 4:45

score 354 · Answer 15 · 2026-04-16 03:51:47

354

Views

What is radius vector? Is it a zero vector?

Published on 16 Apr 2026 - 3:51

List Question

How can we describe the path of the curve $r=( t , \frac{t^2 - 1}{2} , \frac{t^2 - 1}{2})$?

Local coordinates near point such that $X= \partial_1$ is relative to those coordinates, vector field with isolated s.t. coordinates do not exist?

Solve for the gradient of $\log \sum\limits_{i = 1}^{m} \exp(a_i^Tx + bi)$

How to find the magnitude of a sum of vectors, given the magnitudes of the individual vectors?

What are the dual basis vectors?

Equivalent relation of curves

Del operator in Cylindrical coordinates (problem in partial differentiation)

Congruent Transformation and Wedge Product

What does it mean for a closed set to contain a sequence?

Do you need subsequences to prove: $A_1, A_2 \subseteq \mathbb{R^n}$ closed sets $\implies$ $A_1 \cup A_2$ closed?

Is there a simple way of showing that the directional derivative is the dot product of grad(f) with the directional vector u?

How to show that this function $f$ is continuously differentiable,

How to compute the "jump", using the divergence theorem,

Is it possible to compute the volume of a cone on a inner product space?

What is radius vector? Is it a zero vector?

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