List questions from vectors

Published on 14 Mar 2019 - 7:01

135

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Matrix/Vector Addition

Published on 14 Mar 2019 - 9:13

864

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How to show this vector field is irrotational?

Published on 25 Mar 2026 - 22:10

881

Views

What is the meaning of angle between two planes?

Published on 15 Mar 2019 - 9:14

52

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Understand reflections in the plane

Published on 25 Mar 2026 - 3:17

82

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Question about vectors and geometry in calculus

Published on 15 Mar 2019 - 13:51

52

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Is this possible in vector calculus?

Published on 25 Mar 2026 - 21:44

47

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$\mathbb{E}[\operatorname{sign}\langle v,z\rangle]$ for $v$ fixed, $z_i\sim N(0,1)$

Published on 16 Mar 2019 - 18:47

339

Views

Proof of Cauchy-Schwartz inequality with dot product and euclidean norm

Published on 28 Mar 2026 - 1:35

1k

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Finding an equation of a plane through the origin that is parallel to a given plane and parallel to a line.

Published on 28 Mar 2026 - 10:41

1.2k

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What is the 'meaning' behind $r·n = a·n$

Published on 17 Mar 2019 - 12:49

336

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Prove $(X \theta - \vec{y})^T (X \theta - \vec{y}) = \theta^T X^T X \theta - \theta^T X^T \vec{y} - \vec{y}^T X \theta + \vec{y}^T \vec{y}$

Published on 27 Mar 2026 - 15:20

239

Views

Pythagoras theorem in oblique coordinates

Published on 18 Mar 2019 - 15:47

307

Views

How to put an arrow above a letter?

Published on 02 Apr 2026 - 18:05

63

Views

Getting different answers for same problem on divergence and curl.

Published on 25 Mar 2026 - 22:09

List Question

how do vector spaces relate to basis

Matrix/Vector Addition

How to show this vector field is irrotational?

What is the meaning of angle between two planes?

Understand reflections in the plane

Question about vectors and geometry in calculus

Is this possible in vector calculus?

$\mathbb{E}[\operatorname{sign}\langle v,z\rangle]$ for $v$ fixed, $z_i\sim N(0,1)$

Proof of Cauchy-Schwartz inequality with dot product and euclidean norm

Finding an equation of a plane through the origin that is parallel to a given plane and parallel to a line.

What is the 'meaning' behind $r·n = a·n$

Prove $(X \theta - \vec{y})^T (X \theta - \vec{y}) = \theta^T X^T X \theta - \theta^T X^T \vec{y} - \vec{y}^T X \theta + \vec{y}^T \vec{y}$

Pythagoras theorem in oblique coordinates

How to put an arrow above a letter?

Getting different answers for same problem on divergence and curl.

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