Question

Two-Point Perspective Formula and Three-Point Perspective Formula

score 768 · Answer 1 · 2020-03-28 22:03:46

768

Views

Two-Point Perspective Formula and Three-Point Perspective Formula

Published on 28 Mar 2020 - 22:03

score 45 · Answer 2 · 2020-03-30 13:32:51

45

Views

On one property of infimum of two projections

Published on 30 Mar 2020 - 13:32

score 50 · Answer 3 · 2026-03-25 09:26:54

50

Views

Projection onto a subspace in an $L_p$ normed space

Published on 25 Mar 2026 - 9:26

score 1.3k · Answer 4 · 2026-03-25 17:40:20

1.3k

Views

Can a homography transform a straight-line into another type of curve?

Published on 25 Mar 2026 - 17:40

score 978 · Answer 5 · 2020-04-03 18:47:18

978

Views

What is the term for a 'projection' into a higher dimensional space?

Published on 03 Apr 2020 - 18:47

score 52 · Answer 6 · 2020-04-04 00:57:37

52

Views

Given a family of $n$ vectors, each of distance $1$ from the span of the rest. Is the norm of their sum at least $\sqrt{n}$?

Published on 04 Apr 2020 - 0:57

score 137 · Answer 7 · 2020-04-04 17:08:00

137

Views

Prove that there exists a subspace $W'$ and a function $T:V\rightarrow V$ such that $T$ is a projection on $W$

Published on 04 Apr 2020 - 17:08

score 1.1k · Answer 8 · 2026-02-23 07:10:27

1.1k

Views

Proving that the orthogonal projection matrix is symmetric, and has eigenvalues of $0$ and $1$.

Published on 23 Feb 2026 - 7:10

score 796 · Answer 9 · 2020-04-08 03:27:28

796

Views

Projecting a general solution onto the row space.

Published on 08 Apr 2020 - 3:27

score 443 · Answer 10 · 2020-04-08 16:58:47

443

Views

If $p$ and $q$ are orthogonal projections in $\mathbb{R}^n$, then $\Vert p(x)- q(x)\Vert\leq \Vert x\Vert$

Published on 08 Apr 2020 - 16:58

score 89 · Answer 11 · 2020-04-08 22:48:13

89

Views

How to find the projection

Published on 08 Apr 2020 - 22:48

score 295 · Answer 12 · 2020-04-09 23:38:44

295

Views

How do I find this matrix?

Published on 09 Apr 2020 - 23:38

score 328 · Answer 13 · 2020-04-10 04:23:27

328

Views

Two finite-rank projections P and Q, if $\|P - Q\| < 1$, then rank $P$ = rank $Q$

Published on 10 Apr 2020 - 4:23

score 118 · Answer 14 · 2020-04-11 04:09:32

Let T be a projection on a finite dimensional inner product space V. Consider x \in R(T) and y \in R(T)\bot . Is the inner product <x,y> = 0

score 76 · Answer 15 · 2020-04-15 10:10:33

76

Views

Reconstruction of square from normvectors to the corners (perspective view of square).

Published on 15 Apr 2020 - 10:10

List Question

Two-Point Perspective Formula and Three-Point Perspective Formula

On one property of infimum of two projections

Projection onto a subspace in an $L_p$ normed space

Can a homography transform a straight-line into another type of curve?

What is the term for a 'projection' into a higher dimensional space?

Given a family of $n$ vectors, each of distance $1$ from the span of the rest. Is the norm of their sum at least $\sqrt{n}$?

Prove that there exists a subspace $W'$ and a function $T:V\rightarrow V$ such that $T$ is a projection on $W$

Proving that the orthogonal projection matrix is symmetric, and has eigenvalues of $0$ and $1$.

Projecting a general solution onto the row space.

If $p$ and $q$ are orthogonal projections in $\mathbb{R}^n$, then $\Vert p(x)- q(x)\Vert\leq \Vert x\Vert$

How to find the projection

How do I find this matrix?

Two finite-rank projections P and Q, if $\|P - Q\| < 1$, then rank $P$ = rank $Q$

Let T be a projection on a finite dimensional inner product space V. Consider x \in R(T) and y \in R(T)\bot . Is the inner product <x,y> = 0

Reconstruction of square from normvectors to the corners (perspective view of square).

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