List questions from inverse

Published on 02 Apr 2026 - 20:07

188

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Let $G$ be a collection of $n\times n$ invertible matrices, satifying that $A,B\in G, A\neq B, |A+B|=0$. Show $G$ is a finite set.

Published on 28 Jan 2024 - 4:34

77

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How to determine the number of solutions of a function?

Published on 31 Mar 2026 - 20:54

81

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Given a $3\times 3$ $\operatorname{adj} A$, find $A$

Published on 25 Mar 2026 - 14:33

24

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Inverting a relationship describing one matrix in terms of another

Published on 01 Feb 2024 - 7:04

26

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Are submersions and immersions sometimes, always, or never classifiable as diffeomorphisms?

Published on 26 Mar 2026 - 7:58

62

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What is the best algorithm to determine whether an $n \times n$ matrix is invertible or not?

Published on 26 Mar 2026 - 19:19

301

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Why is $(I+A)/(I-A)$ unambiguous?

Published on 11 Feb 2024 - 6:42

30

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Prove that: $\wedge _{1 \leq i \leq d-1} A v_i=comat(A) \wedge _{1 \leq i \leq d-1} v_i$

Published on 14 Feb 2024 - 13:57

39

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Inverse transform of a sine kernel

Published on 26 Mar 2026 - 6:20

75

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Question about square matrices

Published on 18 Feb 2024 - 18:12

60

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A simple algorithm to find the inverse

Published on 27 Mar 2026 - 18:25

39

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The norm of the derivative of a matrix with respect to a vector

Published on 27 Feb 2026 - 18:16

19

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Sufficient conditions for unital sub-algebra of matrix ring to be closed under inversion

Published on 25 Mar 2026 - 23:39

12

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Inverse uncertain homography

Published on 27 Feb 2026 - 5:26

List Question

Finding the inverse of a matrix using elementary transformations

Let $G$ be a collection of $n\times n$ invertible matrices, satifying that $A,B\in G, A\neq B, |A+B|=0$. Show $G$ is a finite set.

How to determine the number of solutions of a function?

Given a $3\times 3$ $\operatorname{adj} A$, find $A$

Inverting a relationship describing one matrix in terms of another

Are submersions and immersions sometimes, always, or never classifiable as diffeomorphisms?

What is the best algorithm to determine whether an $n \times n$ matrix is invertible or not?

Why is $(I+A)/(I-A)$ unambiguous?

Prove that: $\wedge _{1 \leq i \leq d-1} A v_i=comat(A) \wedge _{1 \leq i \leq d-1} v_i$

Inverse transform of a sine kernel

Question about square matrices

A simple algorithm to find the inverse

The norm of the derivative of a matrix with respect to a vector

Sufficient conditions for unital sub-algebra of matrix ring to be closed under inversion

Inverse uncertain homography

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