Question

$ \exists \ g \in \mathcal{L}(E)$ s.t. $g^2 = f \ \iff \forall \ k$, $\dim \ker(f-aId)^k$ is even

score 156 · Answer 1 · 2026-03-22 06:22:30

156

Views

$ \exists \ g \in \mathcal{L}(E)$ s.t. $g^2 = f \ \iff \forall \ k$, $\dim \ker(f-aId)^k$ is even

Published on 22 Mar 2026 - 6:22

score 425 · Answer 2 · 2026-03-31 08:21:41

425

Views

Proving whether a matrix is invertible

Published on 31 Mar 2026 - 8:21

score 77 · Answer 3 · 2026-03-28 13:23:28

77

Views

Proof verification : Assume $A$ is a $n×m$ matrix, and $B$ is $m×n$. Prove that $AB$, an $n×n$ matrix is not invertible, if $n>m$.

Published on 28 Mar 2026 - 13:23

score 905 · Answer 4 · 2026-03-27 14:01:42

905

Views

Dealing with a large Kronecker product in Matlab

Published on 27 Mar 2026 - 14:01

score 214 · Answer 5 · 2026-03-27 09:45:44

214

Views

Dimension of vector space (using matrices)

Published on 27 Mar 2026 - 9:45

score 331 · Answer 6 · 2026-03-26 03:00:28

331

Views

Real eigenvalues of a non-symmetric matrix $A$ ?.

Published on 26 Mar 2026 - 3:00

score 727 · Answer 7 · 2026-03-30 00:30:30

727

Views

$\mathrm{tr}(AB)=\mathrm{tr}(BA)$ proof

Published on 30 Mar 2026 - 0:30

score 994 · Answer 8 · 2026-03-25 09:49:27

994

Views

Characteristic polynomial of a symmetric tridiagonal matrix after removing first row and column

Published on 25 Mar 2026 - 9:49

score 161 · Answer 9 · 2026-03-26 23:59:42

161

Views

Algebraic multiplicity

Published on 26 Mar 2026 - 23:59

score 322 · Answer 10 · 2026-03-29 16:19:38

322

Views

sources about SVD complexity

Published on 29 Mar 2026 - 16:19

score 502 · Answer 11 · 2026-03-21 10:54:19

502

Views

Help with proof or counterexample: $A^3=0 \implies I_n+A$ is invertible

Published on 21 Mar 2026 - 10:54

score 12.9k · Answer 12 · 2026-03-25 11:32:57

12.9k

Views

What is the connection between the invertibility of a matrix the kernel of the matrix

Published on 25 Mar 2026 - 11:32

score 74 · Answer 13 · 2026-03-27 14:12:01

74

Views

Can't find the bases of the eigenspaces

Published on 27 Mar 2026 - 14:12

score 297 · Answer 14 · 2018-01-16 20:30:58

297

Views

In what cases can the spectral radius of a matrix and the spectral radius of its absolute value be equated?

Published on 16 Jan 2018 - 20:30

score 273 · Answer 15 · 2026-03-27 10:41:14

273

Views

Spectral decomposition of some special matrix

Published on 27 Mar 2026 - 10:41

List Question

$ \exists \ g \in \mathcal{L}(E)$ s.t. $g^2 = f \ \iff \forall \ k$, $\dim \ker(f-aId)^k$ is even

Proving whether a matrix is invertible

Proof verification : Assume $A$ is a $n×m$ matrix, and $B$ is $m×n$. Prove that $AB$, an $n×n$ matrix is not invertible, if $n>m$.

Dealing with a large Kronecker product in Matlab

Dimension of vector space (using matrices)

Real eigenvalues of a non-symmetric matrix $A$ ?.

$\mathrm{tr}(AB)=\mathrm{tr}(BA)$ proof

Characteristic polynomial of a symmetric tridiagonal matrix after removing first row and column

Algebraic multiplicity

sources about SVD complexity

Help with proof or counterexample: $A^3=0 \implies I_n+A$ is invertible

What is the connection between the invertibility of a matrix the kernel of the matrix

Can't find the bases of the eigenspaces

In what cases can the spectral radius of a matrix and the spectral radius of its absolute value be equated?

Spectral decomposition of some special matrix

Trending Questions

Popular # Hahtags

Popular Questions