Question

orthogonal projection onto the plane $x_1+x_2+3x_3=0$ and that is also parallel to the line $u(1,1,-1),\ u\in\mathbb{R}$.

score 35 · Answer 1 · 2021-03-30 01:54:56

35

Views

orthogonal projection onto the plane $x_1+x_2+3x_3=0$ and that is also parallel to the line $u(1,1,-1),\ u\in\mathbb{R}$.

Published on 30 Mar 2021 - 1:54

score 12 · Answer 2 · 2026-02-26 22:23:47

12

Views

What is the intuition behind the definition of the residual multi access inference?

Published on 26 Feb 2026 - 22:23

score 70 · Answer 3 · 2021-03-30 06:07:26

70

Views

$PSL(2,\mathbb{R})$ and the set of oriented geodesics

Published on 30 Mar 2021 - 6:07

score 54 · Answer 4 · 2021-04-01 16:58:08

54

Views

Under what conditions does a symmetry 'survive' projection into a subspace?

Published on 01 Apr 2021 - 16:58

score 269 · Answer 5 · 2021-04-30 03:56:06

269

Views

Transformation matrix for projection onto hyperplane

Published on 30 Apr 2021 - 3:56

score 66 · Answer 6 · 2021-05-02 17:23:14

66

Views

Obtain 3D coordinates from various XZ coordinate pairs

Published on 02 May 2021 - 17:23

score 341 · Answer 7 · 2021-05-05 02:42:34

341

Views

How to prove that least squares projection matrix is invariant to constant shifts in $X$?

Published on 05 May 2021 - 2:42

score 100 · Answer 8 · 2026-03-26 04:51:26

100

Views

Projecting onto the space of Upper-Triangular-ish Matrices

Published on 26 Mar 2026 - 4:51

score 113 · Answer 9 · 2021-05-10 22:23:56

113

Views

Proving invertibility of $A^{T}A$

Published on 10 May 2021 - 22:23

score 32 · Answer 10 · 2021-05-10 23:27:45

32

Views

Finding vectors in orthogonal complements to create a unique sum

Published on 10 May 2021 - 23:27

score 39 · Answer 11 · 2021-05-18 05:49:54

39

Views

Show that for a projection matrix, $P$, $~~v \notin \text{range}~ P \implies P(P-I)v=0$.

Published on 18 May 2021 - 5:49

score 86 · Answer 12 · 2021-05-22 18:44:20

86

Views

Why does this the orthogonal projection include a 1/2 factor?

Published on 22 May 2021 - 18:44

score 94 · Answer 13 · 2021-05-25 13:54:43

94

Views

Difference between the identity matrix and a random projection

Published on 25 May 2021 - 13:54

score 40 · Answer 14 · 2021-05-29 16:40:42

40

Views

identity matrices stably equivalent?

Published on 29 May 2021 - 16:40

score 1.2k · Answer 15 · 2021-06-22 09:28:46

1.2k

Views

Project a vector onto subspace spanned by columns of a matrix

Published on 22 Jun 2021 - 9:28

List Question

orthogonal projection onto the plane $x_1+x_2+3x_3=0$ and that is also parallel to the line $u(1,1,-1),\ u\in\mathbb{R}$.

What is the intuition behind the definition of the residual multi access inference?

$PSL(2,\mathbb{R})$ and the set of oriented geodesics

Under what conditions does a symmetry 'survive' projection into a subspace?

Transformation matrix for projection onto hyperplane

Obtain 3D coordinates from various XZ coordinate pairs

How to prove that least squares projection matrix is invariant to constant shifts in $X$?

Projecting onto the space of Upper-Triangular-ish Matrices

Proving invertibility of $A^{T}A$

Finding vectors in orthogonal complements to create a unique sum

Show that for a projection matrix, $P$, $~~v \notin \text{range}~ P \implies P(P-I)v=0$.

Why does this the orthogonal projection include a 1/2 factor?

Difference between the identity matrix and a random projection

identity matrices stably equivalent?

Project a vector onto subspace spanned by columns of a matrix

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