Question

Every $n \times n$ matrix is the limit of a sequence of invertible matrices $n \times n$.

score 354 · Answer 1 · 2018-03-28 12:11:20

354

Views

Every $n \times n$ matrix is the limit of a sequence of invertible matrices $n \times n$.

Published on 28 Mar 2018 - 12:11

score 3k · Answer 2 · 2026-03-25 01:21:46

3k

Views

Showing that a lower triangular matrix is positive definite

Published on 25 Mar 2026 - 1:21

score 87 · Answer 3 · 2018-03-28 13:40:20

87

Views

How to prove that a given basis spans a certain subspace?

Published on 28 Mar 2018 - 13:40

score 138 · Answer 4 · 2018-03-28 14:44:54

138

Views

Let $A\in M_{n\times n}(\mathbb{R})$ with $A^2+A+I_n =0_n$. Prove that $A^3=I_n$

Published on 28 Mar 2018 - 14:44

score 36 · Answer 5 · 2018-03-28 14:51:42

36

Views

Why is a transposed matrix imaginary?

Published on 28 Mar 2018 - 14:51

score 217 · Answer 6 · 2018-03-28 15:10:50

217

Views

Prove that: deletion of ith row

Published on 28 Mar 2018 - 15:10

score 259 · Answer 7 · 2026-03-25 02:56:45

259

Views

Singular Value Decomposition for Rectangular Matrices

Published on 25 Mar 2026 - 2:56

score 29 · Answer 8 · 2026-03-26 06:25:52

29

Views

There is a relation between finite matrix presentations of a module?

Published on 26 Mar 2026 - 6:25

score 71 · Answer 9 · 2018-03-28 18:19:59

71

Views

Find out the characteristic and minimal polynomial of $vv^*$ where $v$ is a column vector $n \times 1$ column vector.

Published on 28 Mar 2018 - 18:19

score 563 · Answer 10 · 2026-03-28 13:40:12

563

Views

Geometric interpretation of rank-$1$ matrices

Published on 28 Mar 2026 - 13:40

score 562 · Answer 11 · 2026-03-24 19:01:23

562

Views

Conditions on off-diagonal elements of a 2x2 density matrix

Published on 24 Mar 2026 - 19:01

score 843 · Answer 12 · 2026-03-25 09:48:45

843

Views

what's the advantage of using eigen decomposition for matrix inverse?

Published on 25 Mar 2026 - 9:48

score 291 · Answer 13 · 2026-03-25 07:55:24

291

Views

Are there matrices such that $(AB-BA)^{71}=I_{69}$?

Published on 25 Mar 2026 - 7:55

score 39 · Answer 14 · 2018-03-28 21:47:07

39

Views

If A and B are n-th row square matrices, $AB=BA$ and $B^2=0$ prove that $(A+B)^k=A^k+kA^{k-1}B$

Published on 28 Mar 2018 - 21:47

score 180 · Answer 15 · 2026-04-01 15:45:34

180

Views

How many matrices does SO(2) contain?

Published on 01 Apr 2026 - 15:45

List Question

Every $n \times n$ matrix is the limit of a sequence of invertible matrices $n \times n$.

Showing that a lower triangular matrix is positive definite

How to prove that a given basis spans a certain subspace?

Let $A\in M_{n\times n}(\mathbb{R})$ with $A^2+A+I_n =0_n$. Prove that $A^3=I_n$

Why is a transposed matrix imaginary?

Prove that: deletion of ith row

Singular Value Decomposition for Rectangular Matrices

There is a relation between finite matrix presentations of a module?

Find out the characteristic and minimal polynomial of $vv^*$ where $v$ is a column vector $n \times 1$ column vector.

Geometric interpretation of rank-$1$ matrices

Conditions on off-diagonal elements of a 2x2 density matrix

what's the advantage of using eigen decomposition for matrix inverse?

Are there matrices such that $(AB-BA)^{71}=I_{69}$?

If A and B are n-th row square matrices, $AB=BA$ and $B^2=0$ prove that $(A+B)^k=A^k+kA^{k-1}B$

How many matrices does SO(2) contain?

Trending Questions

Popular # Hahtags

Popular Questions