List questions from linear-algebra

Published on 14 May 2026 - 22:22

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Find the adjoint of an operator

Published on 11 Apr 2026 - 7:27

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given $T:V\longrightarrow V$ a linear map ,$U=\{S\in Hom_{\mathbb{F}}(V,V):\ S\circ T=0\}$, prove: $U$ is a subspace of $Hom_{\mathbb{F}}(V,V)$

Published on 15 Apr 2026 - 4:49

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can't find position of 3rd point in triangle

Published on 11 May 2026 - 5:22

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If $T$ is a symmetric matrix, how do I maximize $|Tx - (Tx \cdot x) x|$, where $x \in S^2$?

Published on 11 May 2026 - 3:27

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Determine the Dimension of $U:=\{A\in\textrm{Mat}(2\times 2,\mathbb{R}):AB=BA\}$

Published on 23 Apr 2026 - 20:50

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How to differentiate a tensor like $ A = A^{\alpha\beta} e_{\alpha} ⊗ e_{\beta} $ wrt $ x^{\mu} $?

Published on 11 May 2026 - 10:02

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How to draw Two complex variable plane?

Published on 14 May 2026 - 20:20

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Exercises of linear Code

Published on 10 May 2026 - 20:00

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Solve $\dot X = AX$ and find the time at which the area doubles.

Published on 10 May 2026 - 12:53

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Compute Intersection of Matrix Kernels

Published on 14 May 2026 - 17:08

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$T$ has no eigen-values

Published on 13 Apr 2026 - 13:06

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Does the following hold for any matrix $A$ with non-negative eigenvalues?

Published on 11 May 2026 - 1:23

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When does $(A^{\mathsf{T}}A)^{-1} = A^{-1}(A^{\mathsf{T}})^{-1}$?

Published on 13 Apr 2026 - 11:05

196

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Solving a system of linear equations on the form $a^\top X \, b = c$

Published on 14 May 2026 - 17:23

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Find the adjoint of an operator

given $T:V\longrightarrow V$ a linear map ,$U=\{S\in Hom_{\mathbb{F}}(V,V):\ S\circ T=0\}$, prove: $U$ is a subspace of $Hom_{\mathbb{F}}(V,V)$

can't find position of 3rd point in triangle

If $T$ is a symmetric matrix, how do I maximize $|Tx - (Tx \cdot x) x|$, where $x \in S^2$?

Determine the Dimension of $U:=\{A\in\textrm{Mat}(2\times 2,\mathbb{R}):AB=BA\}$

How to differentiate a tensor like $ A = A^{\alpha\beta} e_{\alpha} ⊗ e_{\beta} $ wrt $ x^{\mu} $?

How to draw Two complex variable plane?

Exercises of linear Code

Solve $\dot X = AX$ and find the time at which the area doubles.

Compute Intersection of Matrix Kernels

$T$ has no eigen-values

Does the following hold for any matrix $A$ with non-negative eigenvalues?

When does $(A^{\mathsf{T}}A)^{-1} = A^{-1}(A^{\mathsf{T}})^{-1}$?

Solving a system of linear equations on the form $a^\top X \, b = c$

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