Question

Find all the linear involutions $f: E \to E$, where $E$ is a finite-dimensional real vector space

score 1.1k · Answer 1 · 2013-08-03 22:14:47

1.1k

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Find all the linear involutions $f: E \to E$, where $E$ is a finite-dimensional real vector space

Published on 03 Aug 2013 - 22:14

score 427 · Answer 2 · 2013-08-05 17:37:58

427

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Effective algorithm for multiplying matrix and vector

Published on 05 Aug 2013 - 17:37

score 1.7k · Answer 3 · 2026-04-12 15:48:05

1.7k

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Positive solution to a Linear system of Equations

Published on 12 Apr 2026 - 15:48

score 189 · Answer 4 · 2026-04-09 09:49:36

189

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How to solve matrix differentiation

Published on 09 Apr 2026 - 9:49

score 81 · Answer 5 · 2026-04-12 21:47:55

81

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$(A^x) \mathbin\% p = (A^{x \mathbin\% (p - 1)}) % p$ if $p$ is prime. Is this true when $A$ is a matrix?

Published on 12 Apr 2026 - 21:47

score 228 · Answer 6 · 2013-08-21 17:30:06

228

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The sum of negative row entries for each matrix in a sequence of matrices

Published on 21 Aug 2013 - 17:30

score 139 · Answer 7 · 2013-08-25 09:05:16

139

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derivation of vector norm

Published on 25 Aug 2013 - 9:05

score 125 · Answer 8 · 2026-04-12 21:26:05

125

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Find the solution set from Ax = b, without any extra calculations

Published on 12 Apr 2026 - 21:26

score 4.5k · Answer 9 · 2026-04-13 06:27:27

4.5k

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Invertability of Singular 2x2 Matrix with all same real values.

Published on 13 Apr 2026 - 6:27

score 1k · Answer 10 · 2026-04-09 00:02:18

1k

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Stability of linear systems with singular state matrix

Published on 09 Apr 2026 - 0:02

score 4k · Answer 11 · 2013-09-12 10:14:02

4k

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inverse of sum of a matrix plus its transpose

Published on 12 Sep 2013 - 10:14

score 463 · Answer 12 · 2026-04-12 11:50:22

463

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Inverse a matrix $B+\lambda C$, where $\lambda$ is variable.

Published on 12 Apr 2026 - 11:50

score 5.1k · Answer 13 · 2026-04-11 07:09:28

5.1k

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How to solve the matrix equation $ABA^{-1}=C$ with $\operatorname{Tr}(A)=a$

Published on 11 Apr 2026 - 7:09

score 42 · Answer 14 · 2026-04-11 12:19:39

42

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how does this informal proof show a particular PKE scheme is secure against non-adaptive memory attacks?

Published on 11 Apr 2026 - 12:19

score 745 · Answer 15 · 2026-04-12 18:24:57

745

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derivative of log(det(A)) wrt x, where A is matrix that depends on x

Published on 12 Apr 2026 - 18:24

List Question

Find all the linear involutions $f: E \to E$, where $E$ is a finite-dimensional real vector space

Effective algorithm for multiplying matrix and vector

Positive solution to a Linear system of Equations

How to solve matrix differentiation

$(A^x) \mathbin\% p = (A^{x \mathbin\% (p - 1)}) % p$ if $p$ is prime. Is this true when $A$ is a matrix?

The sum of negative row entries for each matrix in a sequence of matrices

derivation of vector norm

Find the solution set from Ax = b, without any extra calculations

Invertability of Singular 2x2 Matrix with all same real values.

Stability of linear systems with singular state matrix

inverse of sum of a matrix plus its transpose

Inverse a matrix $B+\lambda C$, where $\lambda$ is variable.

How to solve the matrix equation $ABA^{-1}=C$ with $\operatorname{Tr}(A)=a$

how does this informal proof show a particular PKE scheme is secure against non-adaptive memory attacks?

derivative of log(det(A)) wrt x, where A is matrix that depends on x

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