Question

Column operations and rank

score 95 · Answer 1 · 2026-03-26 17:34:11

95

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Column operations and rank

Published on 26 Mar 2026 - 17:34

score 77 · Answer 2 · 2026-03-25 01:20:27

77

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How can I find two symmetric positive definite roots of a symmetric positive definite matrix?

Published on 25 Mar 2026 - 1:20

score 815 · Answer 3 · 2026-04-01 10:50:39

815

Views

Finding a block matrix factorization

Published on 01 Apr 2026 - 10:50

score 59 · Answer 4 · 2026-03-25 19:04:08

59

Views

Following the definiton of projection matrix

Published on 25 Mar 2026 - 19:04

score 40 · Answer 5 · 2026-03-25 06:10:37

40

Views

If $\lambda $ is an eigenvalue of A such that $|\lambda| = \rho(A)$, then deg$\lambda \leq $ deg $\rho(A)$.

Published on 25 Mar 2026 - 6:10

score 695 · Answer 6 · 2026-03-28 01:06:08

695

Views

What does a inner-product between a vector and matrix mean?

Published on 28 Mar 2026 - 1:06

score 160 · Answer 7 · 2026-04-05 23:05:34

160

Views

When does equation $(A^TA)^n=I$ have solution?

Published on 05 Apr 2026 - 23:05

score 54 · Answer 8 · 2026-03-26 09:27:05

54

Views

How to calculate the determinant and how to prove Cayley-Hamilton's rate?

Published on 26 Mar 2026 - 9:27

score 478 · Answer 9 · 2026-03-26 17:33:40

478

Views

Can any complex $n\times n$ matrix be in a maximal commuting set of $\lfloor n^2/4\rfloor + 1$ matrices?

Published on 26 Mar 2026 - 17:33

score 86 · Answer 10 · 2018-03-12 13:41:01

86

Views

Show that there exist a basis of $E$ in which $f$ and $g$ are upper-triangular matrices.

Published on 12 Mar 2018 - 13:41

score 313 · Answer 11 · 2026-03-25 23:37:53

313

Views

Is every normal operator on a finite-dimensional inner product space an orthogonal projection?

Published on 25 Mar 2026 - 23:37

score 242 · Answer 12 · 2026-03-24 22:08:43

242

Views

Does $P_2P_1 = P_2$ hold when $P_2$ and $P_1$ are orthogonal projections onto $M_2\subseteq M_1$

Published on 24 Mar 2026 - 22:08

score 110 · Answer 13 · 2026-03-25 06:12:06

110

Views

If matrices $A,B$ similar, find nonsingular $S$ s.t.$B=S^{-1}AS$

Published on 25 Mar 2026 - 6:12

score 34 · Answer 14 · 2026-03-26 17:35:03

34

Views

Linear Algebra: How to prove that given set creates vector space V?

Published on 26 Mar 2026 - 17:35

score 28 · Answer 15 · 2018-03-12 16:58:46

28

Views

Producting alternating or not?

Published on 12 Mar 2018 - 16:58

List Question

Column operations and rank

How can I find two symmetric positive definite roots of a symmetric positive definite matrix?

Finding a block matrix factorization

Following the definiton of projection matrix

If $\lambda $ is an eigenvalue of A such that $|\lambda| = \rho(A)$, then deg$\lambda \leq $ deg $\rho(A)$.

What does a inner-product between a vector and matrix mean?

When does equation $(A^TA)^n=I$ have solution?

How to calculate the determinant and how to prove Cayley-Hamilton's rate?

Can any complex $n\times n$ matrix be in a maximal commuting set of $\lfloor n^2/4\rfloor + 1$ matrices?

Show that there exist a basis of $E$ in which $f$ and $g$ are upper-triangular matrices.

Is every normal operator on a finite-dimensional inner product space an orthogonal projection?

Does $P_2P_1 = P_2$ hold when $P_2$ and $P_1$ are orthogonal projections onto $M_2\subseteq M_1$

If matrices $A,B$ similar, find nonsingular $S$ s.t.$B=S^{-1}AS$

Linear Algebra: How to prove that given set creates vector space V?

Producting alternating or not?

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