Question

Finding eigenvalues of a $3 \times 3$ matrix.

score 47 · Answer 1 · 2020-09-28 16:03:20

47

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Finding eigenvalues of a $3 \times 3$ matrix.

Published on 28 Sep 2020 - 16:03

score 285 · Answer 2 · 2020-10-02 20:46:31

285

Views

Dummit and Foote 12.2.16: Determining all $2 \times 2$ matrices with entries from $\mathbb F _{19}$ of order $2$

Published on 02 Oct 2020 - 20:46

score 117 · Answer 3 · 2020-10-12 21:56:18

117

Views

Prove that If $f$ and $h$ commute and $h$ is nilpotent, then $f+h$ and $f$ have the same characteristic polynomial

Published on 12 Oct 2020 - 21:56

score 229 · Answer 4 · 2020-10-18 12:49:35

229

Views

Writing a matrix with imaginary eigenvalues in a block-diagonal form

Published on 18 Oct 2020 - 12:49

score 63 · Answer 5 · 2020-10-19 11:20:20

63

Views

Characteristic Polynomial of Block matrix or determinant of bloack matrix

Published on 19 Oct 2020 - 11:20

score 86 · Answer 6 · 2020-10-21 16:49:29

86

Views

Prove that $t^k e^{\lambda t}, k=0,\cdots,m-1 $ is a solution for a linear $N^{th}$-order ODE (with constant coefficients)

Published on 21 Oct 2020 - 16:49

score 339 · Answer 7 · 2020-10-21 17:31:49

339

Views

Irreducible Polynomial as Characteristic polynomial of a Matrix.

Published on 21 Oct 2020 - 17:31

score 31 · Answer 8 · 2026-03-26 01:29:06

31

Views

Characteristic polynomial $p(x) = (2 + x) (-x) (1-x)$ and possible matrices problem

Published on 26 Mar 2026 - 1:29

score 114 · Answer 9 · 2020-10-22 01:44:43

114

Views

Shrinkage by matrix multiplication with all eigenvalues on the unit circle

Published on 22 Oct 2020 - 1:44

score 57 · Answer 10 · 2020-10-28 08:23:15

57

Views

asymptotic behavior of a matrix multiplying with a vector

Published on 28 Oct 2020 - 8:23

score 240 · Answer 11 · 2020-10-29 09:17:05

240

Views

For which values of $a$ is the system asymptotic stable?

Published on 29 Oct 2020 - 9:17

score 195 · Answer 12 · 2026-03-26 06:01:37

195

Views

Why are the roots of this recursive defined polynomial bound by the roots of the discriminant of the characteristic polynomial?

Published on 26 Mar 2026 - 6:01

score 398 · Answer 13 · 2020-11-06 09:44:32

398

Views

If a polynomial equation is satisfied by a matrix .Is the Polynomial it's characteristics equation????

Published on 06 Nov 2020 - 9:44

score 99 · Answer 14 · 2020-11-06 19:02:15

99

Views

How to determine if a matrix has positive eigenvalues without resorting to the characteristic polynomial?

Published on 06 Nov 2020 - 19:02

score 247 · Answer 15 · 2026-03-25 22:11:14

247

Views

Is (a version of) the Cayley-Hamilton theorem true for $\mathbb{N}\times\mathbb{N}$ matrices?

Published on 25 Mar 2026 - 22:11

List Question

Finding eigenvalues of a $3 \times 3$ matrix.

Dummit and Foote 12.2.16: Determining all $2 \times 2$ matrices with entries from $\mathbb F _{19}$ of order $2$

Prove that If $f$ and $h$ commute and $h$ is nilpotent, then $f+h$ and $f$ have the same characteristic polynomial

Writing a matrix with imaginary eigenvalues in a block-diagonal form

Characteristic Polynomial of Block matrix or determinant of bloack matrix

Prove that $t^k e^{\lambda t}, k=0,\cdots,m-1 $ is a solution for a linear $N^{th}$-order ODE (with constant coefficients)

Irreducible Polynomial as Characteristic polynomial of a Matrix.

Characteristic polynomial $p(x) = (2 + x) (-x) (1-x)$ and possible matrices problem

Shrinkage by matrix multiplication with all eigenvalues on the unit circle

asymptotic behavior of a matrix multiplying with a vector

For which values of $a$ is the system asymptotic stable?

Why are the roots of this recursive defined polynomial bound by the roots of the discriminant of the characteristic polynomial?

If a polynomial equation is satisfied by a matrix .Is the Polynomial it's characteristics equation????

How to determine if a matrix has positive eigenvalues without resorting to the characteristic polynomial?

Is (a version of) the Cayley-Hamilton theorem true for $\mathbb{N}\times\mathbb{N}$ matrices?

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