List questions from matrices

Published on 01 Apr 2026 - 9:36

470

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Check proof: Invertible matrix is equal to product of inverses of elementary matrices

Published on 25 Mar 2026 - 1:28

1k

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The square root of a positive semidefinite matrix

Published on 01 Apr 2026 - 7:27

1.5k

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Reduced Row vs. Reduced Row-Echelon?

Published on 28 Mar 2026 - 2:03

44

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Show $K\cdot \sqrt{I_q-K^K}=\sqrt{I_p-KK^}\cdot K$

Published on 28 Mar 2026 - 2:05

36

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Find a basis S in $R^{4}$ such that $M_{S}(F)$ is diagonal

Published on 24 Mar 2026 - 20:41

730

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Checking a given non-symmetric matrix is positive definite.

Published on 26 Mar 2026 - 12:15

53

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How can I find Linear transformation $T: \mathbb R_2 [x] \to M_2(\mathbb R)$ so that $Ker$ $T=0$?

Published on 26 Mar 2026 - 22:29

629

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Mathematical notation of matrix row or column circular permutation

Published on 26 Mar 2026 - 14:10

44

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If $A(x)^{T}A(x) = C$, then $A(x) = O\widetilde{C}$ with $O$ Orthogonal?

Published on 25 Mar 2026 - 1:17

79

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Expected number of operations until matrix contains no zeros.

Published on 22 Mar 2026 - 14:05

505

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Perturbative expansion of an expression involving the matrix square root

Published on 23 Mar 2026 - 0:11

114

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Maximise Simulated Likelihood

Published on 29 Jan 2018 - 5:42

154

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Positive definite solution of Homogeneous Lyapunov equation

Published on 23 Mar 2026 - 0:49

844

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Notation for Hadamard product

Published on 27 Mar 2026 - 3:00

List Question

The stretch factors of $A^T A$ are the eigenvalues of $A^T A$

Check proof: Invertible matrix is equal to product of inverses of elementary matrices

The square root of a positive semidefinite matrix

Reduced Row vs. Reduced Row-Echelon?

Show $K\cdot \sqrt{I_q-K^K}=\sqrt{I_p-KK^}\cdot K$

Find a basis S in $R^{4}$ such that $M_{S}(F)$ is diagonal

Checking a given non-symmetric matrix is positive definite.

How can I find Linear transformation $T: \mathbb R_2 [x] \to M_2(\mathbb R)$ so that $Ker$ $T=0$?

Mathematical notation of matrix row or column circular permutation

If $A(x)^{T}A(x) = C$, then $A(x) = O\widetilde{C}$ with $O$ Orthogonal?

Expected number of operations until matrix contains no zeros.

Perturbative expansion of an expression involving the matrix square root

Maximise Simulated Likelihood

Positive definite solution of Homogeneous Lyapunov equation

Notation for Hadamard product

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