List questions from matrix-equations

Published on 11 Apr 2026 - 11:07

220

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Finding the solution of the nonhomogenous linar system of differential equations

Published on 14 Apr 2026 - 12:19

114

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p-nilpotent matrices in characteristic p

Published on 15 Apr 2026 - 4:00

143

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Uniform Smoothness Inequality for Schatten Norms

Published on 22 Apr 2026 - 21:20

530

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Positive definite solution to matrix differential equation (dynamical Riccati equation)

Published on 13 Apr 2026 - 1:59

94

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Inverse of generalized Sylvester mapping

Published on 15 Apr 2026 - 23:34

40

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For $s(t) = a_2t^2 + a_1t + a_0$ and $r(t) = b_2t^2 + b_1t + b_0$ in $P_2[t],$ define $<s(t),r(t)> = 2a_2b_2 + a_1b_1 + 3a_0b_0$

Published on 17 Apr 2026 - 3:00

27

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Orthogonal Set proving

Published on 14 Apr 2026 - 3:34

56

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Expressing solution of matrix equations in matrix form

Published on 10 Apr 2026 - 3:22

106

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Why the result of matrix derivative is its transpose?

Published on 22 Apr 2026 - 21:28

267

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A System of Matrix Equations with a Surprising Property

Published on 14 Apr 2026 - 6:21

84

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Controlling eigenvalues of a 4th order system

Published on 11 Apr 2026 - 5:53

527

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If $A=\begin{bmatrix} 1 & 2 \\ 5 & 4 \end{bmatrix}$, find a non singular matrix $P$ such that $P^{-1}AP=\begin{bmatrix} 6 & 0 \\ 0 & -1\end{bmatrix}$.

Published on 17 Apr 2026 - 3:16

42

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Amateur equating powers question

Published on 16 Apr 2026 - 5:29

116

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Under what conditions do fixed-point iterations by an affine transformation converge?

Published on 12 Apr 2026 - 14:03

List Question

Simplify $(AB^{-1}A^T)^{-1}$ where $A$ is a non-square matrix

Finding the solution of the nonhomogenous linar system of differential equations

p-nilpotent matrices in characteristic p

Uniform Smoothness Inequality for Schatten Norms

Positive definite solution to matrix differential equation (dynamical Riccati equation)

Inverse of generalized Sylvester mapping

For $s(t) = a_2t^2 + a_1t + a_0$ and $r(t) = b_2t^2 + b_1t + b_0$ in $P_2[t],$ define $<s(t),r(t)> = 2a_2b_2 + a_1b_1 + 3a_0b_0$

Orthogonal Set proving

Expressing solution of matrix equations in matrix form

Why the result of matrix derivative is its transpose?

A System of Matrix Equations with a Surprising Property

Controlling eigenvalues of a 4th order system

If $A=\begin{bmatrix} 1 & 2 \\ 5 & 4 \end{bmatrix}$, find a non singular matrix $P$ such that $P^{-1}AP=\begin{bmatrix} 6 & 0 \\ 0 & -1\end{bmatrix}$.

Amateur equating powers question

Under what conditions do fixed-point iterations by an affine transformation converge?

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