List questions from projection-matrices

Published on 01 Dec 2020 - 7:12

134

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Projection and Reflection matrices in different bases

Published on 02 Dec 2020 - 22:07

95

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Consequences of this powerful result?

Published on 10 Dec 2020 - 15:21

259

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How to show that a projection matrix is invariant w.r.t the choice of a g-inverse

Published on 27 Mar 2026 - 1:00

210

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Intersection of ranges of projections

Published on 22 Dec 2020 - 19:48

201

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Null-Space Projection with a Long Sparse Matrix

Published on 26 Mar 2026 - 7:55

126

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How to derive Lagrangian associated with Projected Variance Maximisation approach to PCA with orthogonal projection

Published on 28 Dec 2020 - 22:34

510

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Projection matrix formula intuition

Published on 02 Jan 2021 - 15:51

162

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Determine the dimension of the subspace of all matrices that commutes with an all 1 matrix and find a basis

Published on 09 Jan 2021 - 10:22

69

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Rank of eigenvector projections

Published on 11 Jan 2021 - 17:53

105

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

Published on 17 Jan 2021 - 10:56

249

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

Published on 17 Jan 2021 - 11:11

125

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Definition and Doubt: Universal $\mathrm{C}^*$-Algebras given by generators and relations

Published on 27 Mar 2026 - 14:10

102

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Bound on eigenvalues for subset of columns of projection matrix

Published on 18 Jan 2021 - 21:02

33

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

Published on 18 Jan 2021 - 22:24

List Question

Doubt in primary decomposition theorem from Hoffman and Kunze.

Projection and Reflection matrices in different bases

Consequences of this powerful result?

How to show that a projection matrix is invariant w.r.t the choice of a g-inverse

Intersection of ranges of projections

Null-Space Projection with a Long Sparse Matrix

How to derive Lagrangian associated with Projected Variance Maximisation approach to PCA with orthogonal projection

Projection matrix formula intuition

Determine the dimension of the subspace of all matrices that commutes with an all 1 matrix and find a basis

Rank of eigenvector projections

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

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

Definition and Doubt: Universal $\mathrm{C}^*$-Algebras given by generators and relations

Bound on eigenvalues for subset of columns of projection matrix

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

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