Question

Similar matrices have same engenvalues $\implies$ we can define characteristic polynomial for any basis

score 664 · Answer 1 · 2026-04-16 16:28:36

664

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Similar matrices have same engenvalues $\implies$ we can define characteristic polynomial for any basis

Published on 16 Apr 2026 - 16:28

score 677 · Answer 2 · 2026-05-10 23:31:36

677

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Find the matrix of $f:(x,y,z) \rightarrow (y+z,x-y, -x+y+2z)$ in a new basis

Published on 10 May 2026 - 23:31

score 344 · Answer 3 · 2026-04-14 15:31:27

344

Views

Proving orthogonality properties of residuals for $L^p$ optimization

Published on 14 Apr 2026 - 15:31

score 213 · Answer 4 · 2026-05-10 15:52:35

213

Views

How to find the spectral decomposition of $A\otimes A + B\otimes B$ without forming the Kronecker product?

Published on 10 May 2026 - 15:52

score 1.6k · Answer 5 · 2026-04-13 17:45:40

1.6k

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Markov's Mouse and the Maze

Published on 13 Apr 2026 - 17:45

score 40 · Answer 6 · 2026-05-13 06:48:56

40

Views

Families of step-wise canonical transformations.

Published on 13 May 2026 - 6:48

score 232 · Answer 7 · 2026-04-14 19:19:02

232

Views

Find matrices that commute with $\operatorname{Diag}(1,1,-1)$.

Published on 14 Apr 2026 - 19:19

score 3.1k · Answer 8 · 2026-04-24 19:15:24

3.1k

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How does v * vT equal a matrix?

Published on 24 Apr 2026 - 19:15

score 35.2k · Answer 9 · 2026-04-11 20:13:23

35.2k

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Understanding the absolute value of a matrix.

Published on 11 Apr 2026 - 20:13

score 76 · Answer 10 · 2026-04-14 10:56:05

76

Views

Is it true that $\mathcal L(V,W)\cong \mathcal M_{n\times m}(\mathbb R)$?

Published on 14 Apr 2026 - 10:56

score 37 · Answer 11 · 2026-04-15 02:20:08

37

Views

Show that there is eigenvector that all composition is real number

Published on 15 Apr 2026 - 2:20

score 1.4k · Answer 12 · 2026-04-10 19:05:50

1.4k

Views

Is $A^2$ is diagonalizable , then is $A$ diagonalizable when $A$ is non-singular?

Published on 10 Apr 2026 - 19:05

score 48 · Answer 13 · 2026-05-14 16:19:39

48

Views

Understanding the definition of method of least squares

Published on 14 May 2026 - 16:19

score 718 · Answer 14 · 2026-04-16 04:46:34

718

Views

Prove that there exists $\alpha \in \mathbb{F}$ such that $|\alpha - \lambda| < \frac{1}{1000}$ and $T-\alpha I$ is invertible

Published on 16 Apr 2026 - 4:46

score 259 · Answer 15 · 2026-04-13 17:20:48

259

Views

Prove that a regular probability matrix, aka a left stochastic matrix, has only one linearly independent eigenvector where $\lambda = 1$

Published on 13 Apr 2026 - 17:20

List Question

Similar matrices have same engenvalues $\implies$ we can define characteristic polynomial for any basis

Find the matrix of $f:(x,y,z) \rightarrow (y+z,x-y, -x+y+2z)$ in a new basis

Proving orthogonality properties of residuals for $L^p$ optimization

How to find the spectral decomposition of $A\otimes A + B\otimes B$ without forming the Kronecker product?

Markov's Mouse and the Maze

Families of step-wise canonical transformations.

Find matrices that commute with $\operatorname{Diag}(1,1,-1)$.

How does v * vT equal a matrix?

Understanding the absolute value of a matrix.

Is it true that $\mathcal L(V,W)\cong \mathcal M_{n\times m}(\mathbb R)$?

Show that there is eigenvector that all composition is real number

Is $A^2$ is diagonalizable , then is $A$ diagonalizable when $A$ is non-singular?

Understanding the definition of method of least squares

Prove that there exists $\alpha \in \mathbb{F}$ such that $|\alpha - \lambda| < \frac{1}{1000}$ and $T-\alpha I$ is invertible

Prove that a regular probability matrix, aka a left stochastic matrix, has only one linearly independent eigenvector where $\lambda = 1$

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