List questions from matrix-equations

Published on 16 Apr 2026 - 0:20

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Is Matrix $A^{-2}$ the Same as the Double Inverse, or A?

Published on 10 Apr 2026 - 11:31

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Determinant by cofactor expansion Vs Row reduction

Published on 14 Apr 2026 - 16:29

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Reference Request: Modulus of Continuity of Matrix Multiplication

Published on 14 Apr 2026 - 18:31

85

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For what real number r is the matrix nonsingular?

Published on 18 Apr 2026 - 18:11

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Spectrum of some polynomial of matrix

Published on 13 Apr 2026 - 14:24

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Solve $\dot{S}(t)=S(t)A+A^TS(t)$.

Published on 18 Apr 2026 - 18:05

147

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Solving $AB+BA=XBX'$

Published on 12 Apr 2026 - 21:59

47

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Can we solve a matrix equation when the vectors are given and the matrix is variable?

Published on 11 Apr 2026 - 11:17

36

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Square matrix row operationrs

Published on 13 Apr 2026 - 21:15

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Composition of the same Linear Transformation in Two Dimensions

Published on 09 Apr 2026 - 9:06

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simplify an expression of vectors an matrices

Published on 18 Apr 2026 - 23:11

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Given matrices $A$ and $B$, prove that $A^{n}-B^{n}=\frac{1}{2}(7^{n}-5^{n})(A-B)$

Published on 16 Apr 2026 - 21:20

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given a symmetric matrix $A_{n\times n}$ and integer $m$, is there any matrix $X_{n\times m}$, s.t., $X\times X^{t}=A$?

Published on 16 Apr 2026 - 0:52

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In this linear equation system, find the $a,b,c$ values such that...

Published on 12 Apr 2026 - 22:20

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Solve the matrix equation $A^{2}-2A=\begin{bmatrix} 5 & -6 \\ -4 & 2 \end{bmatrix}$

Is Matrix $A^{-2}$ the Same as the Double Inverse, or A?

Determinant by cofactor expansion Vs Row reduction

Reference Request: Modulus of Continuity of Matrix Multiplication

For what real number r is the matrix nonsingular?

Spectrum of some polynomial of matrix

Solve $\dot{S}(t)=S(t)A+A^TS(t)$.

Solving $AB+BA=XBX'$

Can we solve a matrix equation when the vectors are given and the matrix is variable?

Square matrix row operationrs

Composition of the same Linear Transformation in Two Dimensions

simplify an expression of vectors an matrices

Given matrices $A$ and $B$, prove that $A^{n}-B^{n}=\frac{1}{2}(7^{n}-5^{n})(A-B)$

given a symmetric matrix $A_{n\times n}$ and integer $m$, is there any matrix $X_{n\times m}$, s.t., $X\times X^{t}=A$?

In this linear equation system, find the $a,b,c$ values such that...

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