Question

How can I find vector $w$ that his projection about $span(v)$ is $7v$ and his projection about $span(u)$ is $-8u$

score 69 · Answer 1 · 2026-03-20 07:32:56

69

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How can I find vector $w$ that his projection about $span(v)$ is $7v$ and his projection about $span(u)$ is $-8u$

Published on 20 Mar 2026 - 7:32

score 590 · Answer 2 · 2026-03-20 03:50:04

590

Views

Matrix $A$ projects vectors orthogonally to the plane $y=z$. Find $A$.

Published on 20 Mar 2026 - 3:50

score 137 · Answer 3 · 2026-03-19 17:52:44

137

Views

Can homogeneous coordinates be used to perform a gnomonic projection?

Published on 19 Mar 2026 - 17:52

score 316 · Answer 4 · 2026-03-20 23:18:19

316

Views

Rank of $X$, with corresponding projection matrix $P_X$

Published on 20 Mar 2026 - 23:18

score 224 · Answer 5 · 2026-03-22 18:34:25

224

Views

Why repeated squaring and scaling a graph adjacency matrix yields a rank 1 projector?

Published on 22 Mar 2026 - 18:34

score 162 · Answer 6 · 2026-03-20 02:39:31

162

Views

Minimization over constrained projection matrices

Published on 20 Mar 2026 - 2:39

score 160 · Answer 7 · 2026-03-19 21:11:56

160

Views

Projectors onto the same subspace but with different kernels

Published on 19 Mar 2026 - 21:11

score 153 · Answer 8 · 2026-03-22 10:53:23

153

Views

The set defined by the orthogonal projector

Published on 22 Mar 2026 - 10:53

score 195 · Answer 9 · 2026-03-23 09:42:16

195

Views

Pose estimation from 2 points and known z-axis.

Published on 23 Mar 2026 - 9:42

score 839 · Answer 10 · 2026-03-20 07:58:49

839

Views

Projection operator $P$ on the plane orthogonal to a given vector

Published on 20 Mar 2026 - 7:58

score 239 · Answer 11 · 2026-03-23 10:53:04

239

Views

How to prove $A(A^TA)^{-1}A^T$ is a singular matrix

Published on 23 Mar 2026 - 10:53

score 432 · Answer 12 · 2026-03-25 11:00:14

432

Views

Hess coordinate transformation (sphere projection)

Published on 25 Mar 2026 - 11:00

score 964 · Answer 13 · 2026-03-17 21:44:39

964

Views

Decomposing a projection matrix into a sum of two projection matrices

Published on 17 Mar 2026 - 21:44

score 130 · Answer 14 · 2026-03-25 10:43:20

130

Views

projector on the boundary of a simplex. aka find basis for subspace $\sum_j x_j=0$.

Published on 25 Mar 2026 - 10:43

score 3.5k · Answer 15 · 2026-03-25 16:41:02

3.5k

Views

Prove that perspective projection of circle is ellipse

Published on 25 Mar 2026 - 16:41

List Question

How can I find vector $w$ that his projection about $span(v)$ is $7v$ and his projection about $span(u)$ is $-8u$

Matrix $A$ projects vectors orthogonally to the plane $y=z$. Find $A$.

Can homogeneous coordinates be used to perform a gnomonic projection?

Rank of $X$, with corresponding projection matrix $P_X$

Why repeated squaring and scaling a graph adjacency matrix yields a rank 1 projector?

Minimization over constrained projection matrices

Projectors onto the same subspace but with different kernels

The set defined by the orthogonal projector

Pose estimation from 2 points and known z-axis.

Projection operator $P$ on the plane orthogonal to a given vector

How to prove $A(A^TA)^{-1}A^T$ is a singular matrix

Hess coordinate transformation (sphere projection)

Decomposing a projection matrix into a sum of two projection matrices

projector on the boundary of a simplex. aka find basis for subspace $\sum_j x_j=0$.

Prove that perspective projection of circle is ellipse

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