List questions from matrix-equations

Published on 14 Apr 2026 - 12:20

113

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Solutions of $\mathrm{X^2} = \left[\begin{smallmatrix} 1 & 0 & 1\\ 0 &-1 & 0\\ 0 & 0 & -1\\\end{smallmatrix}\right]$

Published on 17 Apr 2026 - 8:19

45

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Solving linear least squares equation

Published on 13 Apr 2026 - 10:11

136

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Basis Transformation Matrix

Published on 11 Apr 2026 - 3:12

89

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Why it is not possible to do 2 - A , where A is a matrix and 2 a natural number?

Published on 13 Apr 2026 - 4:38

629

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Solution of Matrix differential equation $\textbf{X}'(t)=\textbf{A}\textbf{X}(t)$

Published on 12 Apr 2026 - 11:01

575

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show that $e^P \approx I + 1.718*P$

Published on 16 Apr 2026 - 1:49

88

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Solving the given equation

Published on 12 Apr 2026 - 15:07

429

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Global existence for differential riccati equation?

Published on 12 Apr 2026 - 5:02

323

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Solving three matrix equations in three matrix variables

Published on 16 Apr 2026 - 20:07

240

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$PA = LU$ Decomposition Confusion

Published on 13 Apr 2026 - 11:31

2k

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how to know when the solution to a matrix is given in parametric form?

Published on 09 Apr 2026 - 4:07

418

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Polynomials and matrices.

Published on 14 Apr 2026 - 15:09

1.1k

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Find matrices $P$ and $Q$ to check if matrices $A$ and $B$ are equivalent( $ Q^{-1}AP = B$ )?

Published on 15 Apr 2026 - 22:03

444

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If $A \in M_{n \times m}(\mathbb{R})$, why is $\operatorname{rk}(A) = \operatorname{rk}(AA^t)$?

Published on 14 Apr 2026 - 18:00

List Question

Is there any relationship between matrix and transposed matrix vector multiplication?

Solutions of $\mathrm{X^2} = \left[\begin{smallmatrix} 1 & 0 & 1\\ 0 &-1 & 0\\ 0 & 0 & -1\\\end{smallmatrix}\right]$

Solving linear least squares equation

Basis Transformation Matrix

Why it is not possible to do 2 - A , where A is a matrix and 2 a natural number?

Solution of Matrix differential equation $\textbf{X}'(t)=\textbf{A}\textbf{X}(t)$

show that $e^P \approx I + 1.718*P$

Solving the given equation

Global existence for differential riccati equation?

Solving three matrix equations in three matrix variables

$PA = LU$ Decomposition Confusion

how to know when the solution to a matrix is given in parametric form?

Polynomials and matrices.

Find matrices $P$ and $Q$ to check if matrices $A$ and $B$ are equivalent( $ Q^{-1}AP = B$ )?

If $A \in M_{n \times m}(\mathbb{R})$, why is $\operatorname{rk}(A) = \operatorname{rk}(AA^t)$?

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