Question

Rank-1 matrix with two dependent rows?

score 63 · Answer 1 · 2026-03-25 07:25:41

63

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Rank-1 matrix with two dependent rows?

Published on 25 Mar 2026 - 7:25

score 408 · Answer 2 · 2019-09-17 11:31:32

408

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Is it true that rank$(AA^{*}A) =$ rank$(A) ?$

Published on 17 Sep 2019 - 11:31

score 410 · Answer 3 · 2019-09-18 04:35:23

410

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Binary vectors defined by remainders modulo prime numbers. What is the dimension of their span?

Published on 18 Sep 2019 - 4:35

score 1.9k · Answer 4 · 2026-03-26 04:36:41

1.9k

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Column rank of a rectangular matrix with number of columns is greater than the number of rows?

Published on 26 Mar 2026 - 4:36

score 33 · Answer 5 · 2019-09-18 17:29:06

33

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Simple question on vector subspace complements and matrix rank

Published on 18 Sep 2019 - 17:29

score 374 · Answer 6 · 2019-09-18 19:56:31

374

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Minor of a product is a linear combination

Published on 18 Sep 2019 - 19:56

score 26 · Answer 7 · 2019-09-20 04:36:11

26

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Relation between rank of matrix and eigenvalues.

Published on 20 Sep 2019 - 4:36

score 5.6k · Answer 8 · 2019-09-20 08:56:53

5.6k

Views

When is rank(A+B)=rank(A)+rank(B) for matrices?

Published on 20 Sep 2019 - 8:56

score 128 · Answer 9 · 2019-09-23 15:29:24

128

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Short and simple proof that matrix rank $\geq n-1$

Published on 23 Sep 2019 - 15:29

score 762 · Answer 10 · 2019-09-24 00:58:59

762

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Let $M\in\mathbb{R}^{n\times m}$ with rank $r$. Show there exists $A\in\Bbb{R}^{n\times r}$ and $B\in\Bbb{R}^{r\times m}$ such that $M=AB$

Published on 24 Sep 2019 - 0:58

score 892 · Answer 11 · 2019-09-28 02:59:14

892

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Is rank equal to the number of basic solutions?

Published on 28 Sep 2019 - 2:59

score 132 · Answer 12 · 2019-10-01 06:38:43

132

Views

Reference for subset of a matrices rows spans the row space of the matrix?

Published on 01 Oct 2019 - 6:38

score 41 · Answer 13 · 2019-10-02 01:49:55

41

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Since $uu^T=\langle u, u\rangle = \|u\|$, should this equal to $1$? How come $u^Tu=1?$

Published on 02 Oct 2019 - 1:49

score 1k · Answer 14 · 2019-10-02 02:07:41

1k

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inner product of a and b

Published on 02 Oct 2019 - 2:07

score 194 · Answer 15 · 2014-03-17 04:25:35

194

Views

Find two matrices such that the sum of their ranks is the rank of the sum

Published on 17 Mar 2014 - 4:25

List Question

Rank-1 matrix with two dependent rows?

Is it true that rank$(AA^{*}A) =$ rank$(A) ?$

Binary vectors defined by remainders modulo prime numbers. What is the dimension of their span?

Column rank of a rectangular matrix with number of columns is greater than the number of rows?

Simple question on vector subspace complements and matrix rank

Minor of a product is a linear combination

Relation between rank of matrix and eigenvalues.

When is rank(A+B)=rank(A)+rank(B) for matrices?

Short and simple proof that matrix rank $\geq n-1$

Let $M\in\mathbb{R}^{n\times m}$ with rank $r$. Show there exists $A\in\Bbb{R}^{n\times r}$ and $B\in\Bbb{R}^{r\times m}$ such that $M=AB$

Is rank equal to the number of basic solutions?

Reference for subset of a matrices rows spans the row space of the matrix?

Since $uu^T=\langle u, u\rangle = \|u\|$, should this equal to $1$? How come $u^Tu=1?$

inner product of a and b

Find two matrices such that the sum of their ranks is the rank of the sum

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