List questions from projection-matrices

Published on 08 Feb 2024 - 0:55

34

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Conditional distribution of random orthogonal projection matrix

Published on 26 Mar 2026 - 20:38

47

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Proving product of two projection matrices is commutative

Published on 17 Feb 2024 - 23:03

73

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"Agreeing" orthogonal projections

Published on 24 Feb 2024 - 0:27

18

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Johnson Lindenstrauss lemma for positive entries matrix

Published on 19 Mar 2026 - 12:10

39

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Construct perspective projection of rotating tesseract by perpendicular lines intersecting ellipse

Published on 20 Mar 2026 - 4:10

24

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Find the projection of a vector onto a subspace along the orthogonal complement of another subspace

Published on 18 Mar 2024 - 5:34

54

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Understanding how matrix transformations operate across subspaces (e.g. rowspace, columnspace)

Published on 22 Mar 2024 - 14:37

24

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Veryshynin HDP Exercise 4.1.4: Equivalent definitions of isometry

Published on 24 Mar 2024 - 13:01

11

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Object Orientation messed up after conversion from USDZ to OBJ

Published on 20 Mar 2026 - 16:30

28

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Rank of products of projections

Published on 31 Mar 2024 - 17:16

13.3k

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Prove that the projection operator $\mathbb P_+\equiv|+z\rangle\!\langle +z|$ is Hermitian

Published on 29 Jan 2015 - 2:38

54k

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Finding the projection matrix of $\mathbb R^3$ onto the plane $x-y-z=0$

Published on 09 Feb 2015 - 8:53

730

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Intuition about an orthogonal projection operator for matrices

Published on 23 Aug 2015 - 6:32

2.2k

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3D Perspective projection

Published on 02 Mar 2026 - 9:26

List Question

Distribution theory for random projections

Conditional distribution of random orthogonal projection matrix

Proving product of two projection matrices is commutative

"Agreeing" orthogonal projections

Johnson Lindenstrauss lemma for positive entries matrix

Construct perspective projection of rotating tesseract by perpendicular lines intersecting ellipse

Find the projection of a vector onto a subspace along the orthogonal complement of another subspace

Understanding how matrix transformations operate across subspaces (e.g. rowspace, columnspace)

Veryshynin HDP Exercise 4.1.4: Equivalent definitions of isometry

Object Orientation messed up after conversion from USDZ to OBJ

Rank of products of projections

Prove that the projection operator $\mathbb P_+\equiv|+z\rangle\!\langle +z|$ is Hermitian

Finding the projection matrix of $\mathbb R^3$ onto the plane $x-y-z=0$

Intuition about an orthogonal projection operator for matrices

3D Perspective projection

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