Question

What is the point of intersection of a line defined by 2 points with the plane $y=0$?

score 40 · Answer 1 · 2026-04-13 10:47:43

40

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What is the point of intersection of a line defined by 2 points with the plane $y=0$?

Published on 13 Apr 2026 - 10:47

score 27 · Answer 2 · 2026-04-16 16:40:18

27

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What does the graph of this field looks like?

Published on 16 Apr 2026 - 16:40

score 59 · Answer 3 · 2026-04-16 07:55:26

59

Views

Why does the length of $\vec{e_\theta}=\frac{d}{d\theta}(\vec{e_r})$ matter?

Published on 16 Apr 2026 - 7:55

score 31 · Answer 4 · 2026-04-15 15:36:19

I don't know how to find a plane set up by two known vectors, and then change the base of another vector (in that plane) into the two other vectors.

score 85 · Answer 5 · 2026-04-29 18:18:13

85

Views

Is there a name for $\frac{d\vec{r}}{d\theta}$?

Published on 29 Apr 2026 - 18:18

score 2.5k · Answer 6 · 2026-04-12 20:30:16

2.5k

Views

Why is dot product commutative but matrix multiplication is not?

Published on 12 Apr 2026 - 20:30

score 21 · Answer 7 · 2026-04-11 03:56:01

21

Views

Equation of lines through origin and two vectors

Published on 11 Apr 2026 - 3:56

score 217 · Answer 8 · 2026-04-14 13:56:30

217

Views

General tips for simplifying vector/matrix expressions

Published on 14 Apr 2026 - 13:56

score 139 · Answer 9 · 2026-04-15 21:14:01

139

Views

Is it valid to write, $\|x-y\|^2=\|x\|^2+\|y\|^2-2\|x\|\|y\|$?

Published on 15 Apr 2026 - 21:14

score 100 · Answer 10 · 2026-04-11 01:57:12

100

Views

Precalculus linear combination problem

Published on 11 Apr 2026 - 1:57

score 50 · Answer 11 · 2026-04-16 04:08:03

50

Views

Show $[TA] \times [AB] =[TB] \times [BC]=[TC] \times [CA]$ by vectors?

Published on 16 Apr 2026 - 4:08

score 1.2k · Answer 12 · 2026-04-12 21:29:31

1.2k

Views

Changing a vector equation from a parametric form to a scalar product form

Published on 12 Apr 2026 - 21:29

score 509 · Answer 13 · 2026-04-29 18:17:31

509

Views

How do you find the two arcs to make a path between two points and two tangents?

Published on 29 Apr 2026 - 18:17

score 1.7k · Answer 14 · 2026-04-11 18:07:36

1.7k

Views

Reflect a point over a line in 3D using a matrix transformation

Published on 11 Apr 2026 - 18:07

score 74 · Answer 15 · 2026-04-16 11:27:21

74

Views

Should we interpret ALL vectors of ALL vector spaces as having magnitude and direction?

Published on 16 Apr 2026 - 11:27

List Question

What is the point of intersection of a line defined by 2 points with the plane $y=0$?

What does the graph of this field looks like?

Why does the length of $\vec{e_\theta}=\frac{d}{d\theta}(\vec{e_r})$ matter?

I don't know how to find a plane set up by two known vectors, and then change the base of another vector (in that plane) into the two other vectors.

Is there a name for $\frac{d\vec{r}}{d\theta}$?

Why is dot product commutative but matrix multiplication is not?

Equation of lines through origin and two vectors

General tips for simplifying vector/matrix expressions

Is it valid to write, $\|x-y\|^2=\|x\|^2+\|y\|^2-2\|x\|\|y\|$?

Precalculus linear combination problem

Show $[TA] \times [AB] =[TB] \times [BC]=[TC] \times [CA]$ by vectors?

Changing a vector equation from a parametric form to a scalar product form

How do you find the two arcs to make a path between two points and two tangents?

Reflect a point over a line in 3D using a matrix transformation

Should we interpret ALL vectors of ALL vector spaces as having magnitude and direction?

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