List questions from projection

Published on 09 Apr 2021 - 15:15

14

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$S_i \cap N(P_{Y^{\perp},AZ}A)=\{0\} \Rightarrow S_i \subset Y^{\perp}$ and $S_i \cap N(P_{Y^{\perp},AZ}A)=S_i \cap Z$

Published on 01 Mar 2026 - 20:26

122

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Given $P_1$, $P_2$ and $P_1-P_2$ are projections, show that $R_{P_2} \subseteq R_{P_1}$

Published on 10 Apr 2021 - 19:38

79

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Converse of commutative projections.

Published on 12 Apr 2021 - 8:17

96

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Characterizations of Orthogonal Projections

Published on 14 Apr 2021 - 22:28

54

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Efficient way of checking set inclusion for projected convex polytopes: $\pi(P_L) \subseteq \pi(P_M)$

Published on 28 Mar 2026 - 22:28

29

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4-D visualization and projection

Published on 15 Apr 2021 - 12:57

665

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How to create a map projection

Published on 25 Mar 2026 - 20:34

31

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Reference request: Nonsmoothness of the projection operator

Published on 16 Apr 2021 - 14:34

53

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Prove that $E$ is self adjoint iff $EE^=E^E$ where $E$ is a projection .

Published on 19 Apr 2021 - 14:12

529

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How to project vector onto a plane but not along plane normal?

Published on 19 Apr 2021 - 15:24

397

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Let $P$ be an idempotent linear operator on V. Then if $\text{null}(P)\subseteq(\text{Im}(P))^\perp$, $P$ is an orthogonal projection.

Published on 19 Apr 2021 - 23:18

76

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Writing Euler's equation for this minimization problem.

Published on 29 Mar 2026 - 7:37

59

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Finding the feasible region of a set S projected down to a subspace

Published on 22 Apr 2021 - 7:52

26

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For a family of projections how to prove $\vee(I-E_a) \ge I-\wedge E_a$?

Published on 26 Apr 2021 - 13:37

List Question

Mercator's Projection

$S_i \cap N(P_{Y^{\perp},AZ}A)=\{0\} \Rightarrow S_i \subset Y^{\perp}$ and $S_i \cap N(P_{Y^{\perp},AZ}A)=S_i \cap Z$

Given $P_1$, $P_2$ and $P_1-P_2$ are projections, show that $R_{P_2} \subseteq R_{P_1}$

Converse of commutative projections.

Characterizations of Orthogonal Projections

Efficient way of checking set inclusion for projected convex polytopes: $\pi(P_L) \subseteq \pi(P_M)$

4-D visualization and projection

How to create a map projection

Reference request: Nonsmoothness of the projection operator

Prove that $E$ is self adjoint iff $EE^=E^E$ where $E$ is a projection .

How to project vector onto a plane but not along plane normal?

Let $P$ be an idempotent linear operator on V. Then if $\text{null}(P)\subseteq(\text{Im}(P))^\perp$, $P$ is an orthogonal projection.

Writing Euler's equation for this minimization problem.

Finding the feasible region of a set S projected down to a subspace

For a family of projections how to prove $\vee(I-E_a) \ge I-\wedge E_a$?

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