Question

What Is Projection On Subspace $U$ In Parallel To Subspace $V?$

score 367 · Answer 1 · 2018-06-21 14:30:03

367

Views

What Is Projection On Subspace $U$ In Parallel To Subspace $V?$

Published on 21 Jun 2018 - 14:30

score 212 · Answer 2 · 2018-06-24 17:32:25

212

Views

Projections from a coproduct in an abelian category

Published on 24 Jun 2018 - 17:32

score 46 · Answer 3 · 2018-06-25 15:54:36

46

Views

Projection on a closed convex in a Banach space, without inner product.

Published on 25 Jun 2018 - 15:54

score 1.5k · Answer 4 · 2018-06-26 20:37:28

1.5k

Views

Case where an orthogonal projection matrix becomes a diagonal matrix?

Published on 26 Jun 2018 - 20:37

score 4.6k · Answer 5 · 2018-06-26 22:25:54

4.6k

Views

$P^2 = P$ implies that $P$ is the orthogonal projection of $V$ onto some subspace $U$.

Published on 26 Jun 2018 - 22:25

score 506 · Answer 6 · 2018-06-27 13:00:17

506

Views

Case where a residual maker (or annihilator matrix) becomes a certain diagonal matrix?

Published on 27 Jun 2018 - 13:00

score 24 · Answer 7 · 2026-03-17 09:25:51

24

Views

In Fisher's LDA, what is $a_i =w^T x_i$ if $w$ is an unit vector and $x_i$ is an observation?

Published on 17 Mar 2026 - 9:25

score 104 · Answer 8 · 2018-06-28 08:41:58

104

Views

Partitioning out a part of a rectangular matrix that is not affected by a projection

Published on 28 Jun 2018 - 8:41

score 5.2k · Answer 9 · 2018-06-28 14:57:41

5.2k

Views

How to project a point onto a line?

Published on 28 Jun 2018 - 14:57

score 369 · Answer 10 · 2018-06-29 08:19:47

369

Views

Is the projection of a closed set always a Borel set?

Published on 29 Jun 2018 - 8:19

score 460 · Answer 11 · 2018-06-29 19:59:02

460

Views

The Hilbert Projection Theorem, without an inner product?

Published on 29 Jun 2018 - 19:59

score 3.6k · Answer 12 · 2018-06-30 14:33:36

3.6k

Views

Projecting a surface on another surface

Published on 30 Jun 2018 - 14:33

score 1.6k · Answer 13 · 2018-07-02 03:30:18

1.6k

Views

Does a projection matrix mean $P=P^T$?

Published on 02 Jul 2018 - 3:30

score 48 · Answer 14 · 2026-03-16 19:57:37

48

Views

In the context of PCA and random projection, what does $\tilde{X} \sim XR$ mean?

Published on 16 Mar 2026 - 19:57

score 247 · Answer 15 · 2018-07-08 15:10:12

247

Views

Closest symmetric matrix that satisfies linear inequality constraint

Published on 08 Jul 2018 - 15:10

List Question

What Is Projection On Subspace $U$ In Parallel To Subspace $V?$

Projections from a coproduct in an abelian category

Projection on a closed convex in a Banach space, without inner product.

Case where an orthogonal projection matrix becomes a diagonal matrix?

$P^2 = P$ implies that $P$ is the orthogonal projection of $V$ onto some subspace $U$.

Case where a residual maker (or annihilator matrix) becomes a certain diagonal matrix?

In Fisher's LDA, what is $a_i =w^T x_i$ if $w$ is an unit vector and $x_i$ is an observation?

Partitioning out a part of a rectangular matrix that is not affected by a projection

How to project a point onto a line?

Is the projection of a closed set always a Borel set?

The Hilbert Projection Theorem, without an inner product?

Projecting a surface on another surface

Does a projection matrix mean $P=P^T$?

In the context of PCA and random projection, what does $\tilde{X} \sim XR$ mean?

Closest symmetric matrix that satisfies linear inequality constraint

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