List questions from projection

Published on 28 Mar 2026 - 8:40

250

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Computing the distance between vector and its projection on a random subspace

Published on 28 Mar 2026 - 8:45

34

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Approximating $AB$ by $AP$ where $P$ is an orthogonal projection

Published on 28 Mar 2026 - 8:42

69

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Projections of standard basis

Published on 20 Jan 2021 - 18:37

50

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Methods for approximating the projection onto a unit $\ell^p$ ball

Published on 22 Jan 2021 - 14:54

220

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The Euclidean projection of $x_0$ on a hyperplane $C = \{x | a^Tx = b\}$

Published on 22 Jan 2021 - 19:30

35

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Projection of vector x in subspace L

Published on 24 Jan 2021 - 7:36

248

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If $P$ is a projection matrix such that $PX = X$ does it mean $X$ has a singular distribution?

Published on 24 Jan 2021 - 13:51

105

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Writing a projection as a matrix

Published on 26 Jan 2021 - 21:37

261

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Values for x for which distance between vector and subspace is maximal

Published on 28 Mar 2026 - 10:17

62

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$P^2=P, Q^2=Q, (P+Q)^2=P+Q$, show $PQ=QP=0$.

Published on 01 Feb 2021 - 4:41

151

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$P^2=P$, $Q^2=Q$, $im P\cap im Q=\{0\}$. Show $V=\ker P\oplus \ker Q$.

Published on 01 Feb 2021 - 5:42

318

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Evolution of the projected angle with dihedral angle

Published on 04 Feb 2021 - 11:08

172

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C*-Algebras and Operator Theory - Gerald J. Murphy Theorem 4.1.2

Published on 05 Feb 2021 - 9:12

115

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Question about orthogonal projection and some properties

Published on 06 Feb 2021 - 15:59

List Question

How to find the orthogonal projection of a matrix onto a subspace?

Computing the distance between vector and its projection on a random subspace

Approximating $AB$ by $AP$ where $P$ is an orthogonal projection

Projections of standard basis

Methods for approximating the projection onto a unit $\ell^p$ ball

The Euclidean projection of $x_0$ on a hyperplane $C = \{x | a^Tx = b\}$

Projection of vector x in subspace L

If $P$ is a projection matrix such that $PX = X$ does it mean $X$ has a singular distribution?

Writing a projection as a matrix

Values for x for which distance between vector and subspace is maximal

$P^2=P, Q^2=Q, (P+Q)^2=P+Q$, show $PQ=QP=0$.

$P^2=P$, $Q^2=Q$, $im P\cap im Q=\{0\}$. Show $V=\ker P\oplus \ker Q$.

Evolution of the projected angle with dihedral angle

C*-Algebras and Operator Theory - Gerald J. Murphy Theorem 4.1.2

Question about orthogonal projection and some properties

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