List questions from projection

Published on 04 May 2013 - 7:36

1.5k

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Multiplication of two projection operators is zero if they sum to the identity

Published on 28 Aug 2013 - 6:19

2k

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Prove that a projection $A^2=A$ is self-adjoint if and only $\ker(A) \perp \operatorname{im}(A)$

Published on 08 Sep 2013 - 14:53

10.1k

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Difference between parallel and orthogonal projections

Published on 05 Oct 2013 - 12:53

3.6k

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How to project a symmetric matrix onto the cone of positive semidefinite (PSD) matrices?

Published on 25 Mar 2026 - 8:12

186

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$AB-I$ is a projection means $BA-I$ is so?

Published on 18 Apr 2017 - 11:30

301

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Project $f(x) = \sin^2(x)$ onto the plane spanned by $\sin(2x)$ and $\cos(2x)$

Published on 18 Apr 2017 - 16:18

2.2k

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Projection onto positive semidefinite (PSD) matrices with bounded rank

Published on 28 Mar 2026 - 20:54

1.5k

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normal equations and projections (linear algebra)

Published on 28 Apr 2017 - 0:09

1.2k

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Projection on hilbert space

Published on 30 Apr 2017 - 17:48

683

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Python find the projection point of a known point on an ellipse

Published on 03 May 2017 - 14:11

43

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Intuition behind spectra of products of reflections

Published on 25 Mar 2026 - 11:14

3.2k

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Projection of a point onto a simple convex polytope

Published on 28 Mar 2026 - 9:55

78

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Prove limit properties associated with an ascending chain of closed Hilbert subspaces

Published on 30 May 2017 - 1:41

67.1k

Views

3D projection on a 2D plane ( weak maths ressources )

Published on 01 Jun 2017 - 15:48

List Question

About projection of linear algebra

Multiplication of two projection operators is zero if they sum to the identity

Prove that a projection $A^2=A$ is self-adjoint if and only $\ker(A) \perp \operatorname{im}(A)$

Difference between parallel and orthogonal projections

How to project a symmetric matrix onto the cone of positive semidefinite (PSD) matrices?

$AB-I$ is a projection means $BA-I$ is so?

Project $f(x) = \sin^2(x)$ onto the plane spanned by $\sin(2x)$ and $\cos(2x)$

Projection onto positive semidefinite (PSD) matrices with bounded rank

normal equations and projections (linear algebra)

Projection on hilbert space

Python find the projection point of a known point on an ellipse

Intuition behind spectra of products of reflections

Projection of a point onto a simple convex polytope

Prove limit properties associated with an ascending chain of closed Hilbert subspaces

3D projection on a 2D plane ( weak maths ressources )

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