List questions from orthonormal

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Basic conceptual questions about orthogonality in Linear Algebra,

Published on 04 Dec 2015 - 1:27

323

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Lemma: $x \cdot (Ay) = (Ax) \cdot y$

Published on 11 Dec 2015 - 15:02

71

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Inner products over fields other than $\mathbb{R}$ or $\mathbb{C}$

Published on 12 Dec 2015 - 19:18

90

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$\mathbb{C^2}$ treated as a real vector space

Published on 12 Dec 2015 - 21:19

555

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Why Must A Matrix be Symmetric for Orthogonal Diagonalization

Published on 13 Dec 2015 - 17:07

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Prove $||Px|| = ||x||$ for Orthogonal Matrices

Published on 27 Mar 2026 - 1:44

7k

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Prove that the orthogonal projection operator is idempotent

Published on 14 Dec 2015 - 5:50

1.1k

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Orthogonal Projection - property of an orthogonal operator or something that needs to be proven?

Published on 14 Dec 2015 - 8:01

3.7k

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Haar functions form a complete orthonormal system

Published on 16 Dec 2015 - 11:37

248

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How do I perform Gram-Schmidt on floating point vectors with epsilons in them?

Published on 26 Mar 2026 - 17:31

149

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Vector analysis: understanding formulas for normal and tangent

Published on 28 Mar 2026 - 11:42

2.5k

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Find orthonormal basis

Published on 04 Jan 2016 - 14:48

229

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Eigenvalue lower bound for this simple matrix

Published on 05 Jan 2016 - 14:17

1.7k

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Eigenfunctions for the symmetric kernel of an integral equation

Published on 27 Mar 2026 - 10:09

List Question

Calculate orthonormal basis using Gram-Schmidt

Basic conceptual questions about orthogonality in Linear Algebra,

Lemma: $x \cdot (Ay) = (Ax) \cdot y$

Inner products over fields other than $\mathbb{R}$ or $\mathbb{C}$

$\mathbb{C^2}$ treated as a real vector space

Why Must A Matrix be Symmetric for Orthogonal Diagonalization

Prove $||Px|| = ||x||$ for Orthogonal Matrices

Prove that the orthogonal projection operator is idempotent

Orthogonal Projection - property of an orthogonal operator or something that needs to be proven?

Haar functions form a complete orthonormal system

How do I perform Gram-Schmidt on floating point vectors with epsilons in them?

Vector analysis: understanding formulas for normal and tangent

Find orthonormal basis

Eigenvalue lower bound for this simple matrix

Eigenfunctions for the symmetric kernel of an integral equation

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