Question

Write a bivector as the exterior product of two vectors

score 365 · Answer 1 · 2019-04-14 04:50:42

365

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Write a bivector as the exterior product of two vectors

Published on 14 Apr 2019 - 4:50

score 2.8k · Answer 2 · 2019-04-25 07:07:56

2.8k

Views

Properties of outer product of two unit vectors? Why is there only one non-zero eigenvalue for such a matrix?

Published on 25 Apr 2019 - 7:07

score 168 · Answer 3 · 2019-05-17 21:44:20

168

Views

Why do we care about the general outer product $\mathbf u\otimes\mathbf v=\mathbf u\mathbf v^{\sf T}$?

Published on 17 May 2019 - 21:44

score 582 · Answer 4 · 2019-07-01 12:48:47

582

Views

How to calculate matrix (and vector) multiplication with outer product and inner product?

Published on 01 Jul 2019 - 12:48

score 151 · Answer 5 · 2019-07-12 13:49:59

151

Views

Proof of $\langle v, u \rangle u = (uu^T)v$

Published on 12 Jul 2019 - 13:49

score 363 · Answer 6 · 2019-08-28 19:51:35

363

Views

When spectral radius of a Perron-Frobenius matrix is less than its trace

Published on 28 Aug 2019 - 19:51

score 1.2k · Answer 7 · 2019-09-08 00:09:53

1.2k

Views

Eigenvalues of an outer product

Published on 08 Sep 2019 - 0:09

score 248 · Answer 8 · 2019-10-04 10:52:57

248

Views

Identity for expansion of grad(cross$(f, g)$) not using Einstein summation

Published on 04 Oct 2019 - 10:52

score 62 · Answer 9 · 2019-10-04 11:33:20

62

Views

Is there a name for the differential operator $\nabla\otimes$

Published on 04 Oct 2019 - 11:33

score 179 · Answer 10 · 2019-12-05 19:40:35

179

Views

Computing only the block diagonal of an outer product

Published on 05 Dec 2019 - 19:40

score 141 · Answer 11 · 2019-12-11 21:57:55

141

Views

Relating different ways of writing the outer product.

Published on 11 Dec 2019 - 21:57

score 179 · Answer 12 · 2020-01-16 07:22:45

179

Views

What assumption on $x$ is needed for $x x^\top$ to be positive definite?

Published on 16 Jan 2020 - 7:22

score 526 · Answer 13 · 2020-01-24 17:17:30

526

Views

Computation of $(\textbf{u}\cdot \nabla)\textbf{u}$ in the Navier stokes equation: inner or outer product?

Published on 24 Jan 2020 - 17:17

score 63 · Answer 14 · 2020-03-28 20:29:07

63

Views

Can a matrix element be an outer product of two matrices

Published on 28 Mar 2020 - 20:29

score 1.1k · Answer 15 · 2020-04-07 19:38:25

1.1k

Views

Proving that the orthogonal projection matrix is symmetric, and has eigenvalues of $0$ and $1$.

Published on 07 Apr 2020 - 19:38

List Question

Write a bivector as the exterior product of two vectors

Properties of outer product of two unit vectors? Why is there only one non-zero eigenvalue for such a matrix?

Why do we care about the general outer product $\mathbf u\otimes\mathbf v=\mathbf u\mathbf v^{\sf T}$?

How to calculate matrix (and vector) multiplication with outer product and inner product?

Proof of $\langle v, u \rangle u = (uu^T)v$

When spectral radius of a Perron-Frobenius matrix is less than its trace

Eigenvalues of an outer product

Identity for expansion of grad(cross$(f, g)$) not using Einstein summation

Is there a name for the differential operator $\nabla\otimes$

Computing only the block diagonal of an outer product

Relating different ways of writing the outer product.

What assumption on $x$ is needed for $x x^\top$ to be positive definite?

Computation of $(\textbf{u}\cdot \nabla)\textbf{u}$ in the Navier stokes equation: inner or outer product?

Can a matrix element be an outer product of two matrices

Proving that the orthogonal projection matrix is symmetric, and has eigenvalues of $0$ and $1$.

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