List questions from matrix-equations

24

Views

If $\sum_j \overline{E_j AE_j^\dagger}=\sum_j E_j AE_j^\dagger$ for all $A$ what are the conditions on the sequence $E_j$?

Published on 14 Apr 2026 - 21:33

1.2k

Views

Reconciling the 'column' and the 'row' pictures for matrices

Published on 15 Apr 2026 - 19:16

367

Views

Solving for a matrix times the reciprocal of a vector

Published on 14 Apr 2026 - 17:18

624

Views

What is the solution to Discrete Algebraic Riccati Equation (DARE) when $A$ is identical?

Published on 12 Apr 2026 - 23:56

387

Views

Is this approach to finding a transition matrix between two sets of ordered bases correct?

Published on 12 Apr 2026 - 10:50

693

Views

Is there any way to express a constant matrix?

Published on 11 Apr 2026 - 21:45

1.4k

Views

What are the numerical methods for solving matrix differential equations?

Published on 15 Apr 2026 - 3:02

257

Views

Find the solution of the following matrix equation

Published on 12 Apr 2026 - 21:26

634

Views

Reverse engineer linear model $Ax+c=y$. Given $x$ and $y$, find $A$ and $c$

Published on 15 Apr 2026 - 5:03

222

Views

Sparse Zeros Lemma

Published on 14 Apr 2026 - 0:11

166

Views

Matrix form of a system of matrix equations

Published on 13 Apr 2026 - 3:43

2.5k

Views

Find constants to solve cubic polynomial matrix equation

Published on 13 Apr 2026 - 9:43

102

Views

Uniqueness of the solution of a matrix equation

Published on 13 Apr 2026 - 19:14

255

Views

Derivative of trace

Published on 12 Apr 2026 - 22:47

125

Views

Matrix geometric series with multiplying from both sides

Published on 04 Apr 2026 - 4:36

List Question

If $\sum_j \overline{E_j AE_j^\dagger}=\sum_j E_j AE_j^\dagger$ for all $A$ what are the conditions on the sequence $E_j$?

Reconciling the 'column' and the 'row' pictures for matrices

Solving for a matrix times the reciprocal of a vector

What is the solution to Discrete Algebraic Riccati Equation (DARE) when $A$ is identical?

Is this approach to finding a transition matrix between two sets of ordered bases correct?

Is there any way to express a constant matrix?

What are the numerical methods for solving matrix differential equations?

Find the solution of the following matrix equation

Reverse engineer linear model $Ax+c=y$. Given $x$ and $y$, find $A$ and $c$

Sparse Zeros Lemma

Matrix form of a system of matrix equations

Find constants to solve cubic polynomial matrix equation

Uniqueness of the solution of a matrix equation

Derivative of trace

Matrix geometric series with multiplying from both sides

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