Question

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

score 73 · Answer 1 · 2026-04-19 16:04:59

73

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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 19 Apr 2026 - 16:04

score 596 · Answer 2 · 2026-05-01 09:51:31

596

Views

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

Published on 01 May 2026 - 9:51

score 145 · Answer 3 · 2026-05-07 16:53:27

145

Views

Can homogeneous coordinates be used to perform a gnomonic projection?

Published on 07 May 2026 - 16:53

score 324 · Answer 4 · 2026-04-29 12:52:13

324

Views

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

Published on 29 Apr 2026 - 12:52

score 230 · Answer 5 · 2026-05-03 02:07:24

230

Views

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

Published on 03 May 2026 - 2:07

score 168 · Answer 6 · 2026-05-05 04:04:31

168

Views

Minimization over constrained projection matrices

Published on 05 May 2026 - 4:04

score 166 · Answer 7 · 2026-05-01 10:08:26

166

Views

Projectors onto the same subspace but with different kernels

Published on 01 May 2026 - 10:08

score 158 · Answer 8 · 2026-05-05 12:24:36

158

Views

The set defined by the orthogonal projector

Published on 05 May 2026 - 12:24

score 203 · Answer 9 · 2026-04-29 12:52:21

203

Views

Pose estimation from 2 points and known z-axis.

Published on 29 Apr 2026 - 12:52

score 845 · Answer 10 · 2026-05-05 13:21:26

845

Views

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

Published on 05 May 2026 - 13:21

score 246 · Answer 11 · 2026-05-04 23:27:49

246

Views

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

Published on 04 May 2026 - 23:27

score 441 · Answer 12 · 2026-05-10 11:19:13

441

Views

Hess coordinate transformation (sphere projection)

Published on 10 May 2026 - 11:19

score 973 · Answer 13 · 2026-05-10 11:20:39

973

Views

Decomposing a projection matrix into a sum of two projection matrices

Published on 10 May 2026 - 11:20

score 143 · Answer 14 · 2026-05-10 11:21:00

143

Views

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

Published on 10 May 2026 - 11:21

score 3.5k · Answer 15 · 2026-05-10 11:20:50

3.5k

Views

Prove that perspective projection of circle is ellipse

Published on 10 May 2026 - 11:20

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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