List questions from linear-algebra

Published on 24 Mar 2026 - 20:36

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How to find the Jordan canonical form of tensor products.

Published on 13 Apr 2026 - 17:58

182

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Given A and B as square matrices is A solvable in ABA = C?

Published on 08 Apr 2026 - 19:08

287

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Weird Invariant of Finite Reflection Groups

Published on 10 Apr 2026 - 21:14

933

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Why is $\sum_{i=1}^{n}\sum_{j=i+1}^{n}1=n*(n-1)/2$?

Published on 27 Mar 2026 - 23:23

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Is the sum of the algebraic multiplicities of every eigenvalue of a matrix equal to the dimension of the matrix?

Published on 14 Apr 2018 - 4:26

42

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Reflection Matrix and Canonical basis

Published on 14 Apr 2018 - 6:13

354

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Determinant of the vandermonde matrix times the sum of its base terms?

Published on 26 Mar 2026 - 20:16

23

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some confusion about minial polynomial.?

Published on 10 Apr 2026 - 13:44

288

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Hoffman Kunze linear algebra section 7.4

Published on 13 Apr 2026 - 1:34

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find the Jordan form of A?1

Published on 13 Apr 2026 - 1:12

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Show that $A \in M_n$ and $B \in M_n$ need not be equal if $x^TAx = x^TBx$ for all $x \in \mathbb{C}^n$.

Published on 14 Apr 2018 - 8:34

84

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Isometry in $\mathbb R^3$

Published on 12 Apr 2026 - 13:34

362

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$2n+1$ Subsets whose cardinality is a multiples of 6

Published on 13 Apr 2026 - 14:01

1.6k

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Characterization of matrices such that $AX=XA^T$

Published on 13 Apr 2026 - 20:14

List Question

Diagonal basis for bilinear form on $\mathbb{R}[x]_2$.

How to find the Jordan canonical form of tensor products.

Given A and B as square matrices is A solvable in ABA = C?

Weird Invariant of Finite Reflection Groups

Why is $\sum_{i=1}^{n}\sum_{j=i+1}^{n}1=n*(n-1)/2$?

Is the sum of the algebraic multiplicities of every eigenvalue of a matrix equal to the dimension of the matrix?

Reflection Matrix and Canonical basis

Determinant of the vandermonde matrix times the sum of its base terms?

some confusion about minial polynomial.?

Hoffman Kunze linear algebra section 7.4

find the Jordan form of A?1

Show that $A \in M_n$ and $B \in M_n$ need not be equal if $x^TAx = x^TBx$ for all $x \in \mathbb{C}^n$.

Isometry in $\mathbb R^3$

$2n+1$ Subsets whose cardinality is a multiples of 6

Characterization of matrices such that $AX=XA^T$

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