Question

Is there a fast way to compute the lowest eigenvalue of this symmetric PD matrix in this specific scenario?

score 507 · Answer 1 · 2026-03-26 06:10:59

507

Views

Is there a fast way to compute the lowest eigenvalue of this symmetric PD matrix in this specific scenario?

Published on 26 Mar 2026 - 6:10

score 232 · Answer 2 · 2026-03-27 10:44:42

232

Views

The elements of a matrix group with order two and its centre

Published on 27 Mar 2026 - 10:44

score 57 · Answer 3 · 2019-03-17 02:49:05

57

Views

Does there exists $n\in \Bbb{N}$ such that $A^n=I_2,$ where $A=\begin{bmatrix} 0 & 0\\ 3 & 1 \end{bmatrix}?$

Published on 17 Mar 2019 - 2:49

score 148 · Answer 4 · 2026-03-25 13:13:32

148

Views

Determine all $2 \times 2$ real matrices $A$ such that $(1) \ \ A^2=I$, $(2) \ \ A^2=0$

Published on 25 Mar 2026 - 13:13

score 92 · Answer 5 · 2019-03-18 11:29:38

92

Views

Prove or disprove: If $A$ is $n\times n$ and $\exists\;m\in \Bbb{N}:\;A^m=I_n$, then $A$ is invertible.

Published on 18 Mar 2019 - 11:29

score 99 · Answer 6 · 2019-03-19 09:02:43

99

Views

Let $A \in \mathbb R^{5 \times 5}$. Prove that $A^{4} + I \neq O$

Published on 19 Mar 2019 - 9:02

score 61 · Answer 7 · 2019-03-19 14:51:58

61

Views

Invertibility of $I + AB(x)$

Published on 19 Mar 2019 - 14:51

score 642 · Answer 8 · 2026-03-25 15:59:12

642

Views

Matrix multiplication $AB=0$ so $A=0 $ or $B=0$

Published on 25 Mar 2026 - 15:59

score 191 · Answer 9 · 2019-03-19 23:30:17

191

Views

How many solutions to a matrix/vector multiplication?

Published on 19 Mar 2019 - 23:30

score 327 · Answer 10 · 2026-03-27 21:16:02

327

Views

Partial derivative of matrix

Published on 27 Mar 2026 - 21:16

score 99 · Answer 11 · 2019-03-21 06:33:03

99

Views

Solve $A = C B C^t$ for $B$

Published on 21 Mar 2019 - 6:33

score 57 · Answer 12 · 2026-03-26 09:37:04

57

Views

Two PDE for one matrix-valued unknown?

Published on 26 Mar 2026 - 9:37

score 2.4k · Answer 13 · 2026-03-25 01:27:58

2.4k

Views

The conjugate of a scalar is the same scalar in a matrix-scalar multiplication?

Published on 25 Mar 2026 - 1:27

score 173 · Answer 14 · 2019-03-24 11:54:07

173

Views

Determine value of '$a$' for which the system is inconsistent and has infinitely many solutions.

Published on 24 Mar 2019 - 11:54

score 110 · Answer 15 · 2019-03-25 07:12:38

110

Views

Proving matrices equation when all the matrices in it may not be invertible

Published on 25 Mar 2019 - 7:12

List Question

Is there a fast way to compute the lowest eigenvalue of this symmetric PD matrix in this specific scenario?

The elements of a matrix group with order two and its centre

Does there exists $n\in \Bbb{N}$ such that $A^n=I_2,$ where $A=\begin{bmatrix} 0 & 0\\ 3 & 1 \end{bmatrix}?$

Determine all $2 \times 2$ real matrices $A$ such that $(1) \ \ A^2=I$, $(2) \ \ A^2=0$

Prove or disprove: If $A$ is $n\times n$ and $\exists\;m\in \Bbb{N}:\;A^m=I_n$, then $A$ is invertible.

Let $A \in \mathbb R^{5 \times 5}$. Prove that $A^{4} + I \neq O$

Invertibility of $I + AB(x)$

Matrix multiplication $AB=0$ so $A=0 $ or $B=0$

How many solutions to a matrix/vector multiplication?

Partial derivative of matrix

Solve $A = C B C^t$ for $B$

Two PDE for one matrix-valued unknown?

The conjugate of a scalar is the same scalar in a matrix-scalar multiplication?

Determine value of '$a$' for which the system is inconsistent and has infinitely many solutions.

Proving matrices equation when all the matrices in it may not be invertible

Trending Questions

Popular # Hahtags

Popular Questions