List questions from linear-algebra

Published on 22 Mar 2026 - 8:09

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Coset and Fiber

Published on 19 Mar 2026 - 23:01

115

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Determinant equal to zero : elements are angles

Published on 25 Mar 2026 - 14:09

185

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existence of $T^k=0$ in a linear transformation

Published on 22 Mar 2026 - 3:13

238

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What does "stability" mean in regards to sum and scalar multiplication?

Published on 21 Jan 2018 - 18:35

63

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Let $A,B\in\text{Mat}_n(\mathbb{C})$ if $A$, $B$ commute, then $\det(A^2+B^2)\geq 0$

Published on 25 Mar 2026 - 14:14

67

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Determine Ker(L ◦ L) and Im(L o L)

Published on 22 Mar 2026 - 12:50

256

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Rotating a matrix to become symmetric

Published on 22 Mar 2026 - 6:28

93

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$\dim(\mathbb{V}_1 \oplus ...\oplus \mathbb{V}_k) = \dim\mathbb{V}_1+...+\dim\mathbb{V}_k$

Published on 20 Mar 2026 - 18:23

3.9k

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Linear Algebra - Vector points

Published on 21 Jan 2018 - 20:55

32

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Let $A,B \in \text{Mat}_n(\mathbb{R})$ invertible with $n$ impar. Then $AB+BA\not = 0$

Published on 21 Jan 2018 - 21:26

3.6k

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Is $XX^T$ invertible?

Published on 21 Jan 2018 - 21:34

71

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Investigate influence of two parameters to the number of solutions of the system of equations

Published on 21 Jan 2018 - 22:06

31

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Confused by semantics when showing "inequality"

Published on 22 Mar 2026 - 18:39

8.2k

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Linear Algebra - Find distance between points by first finding vector

Published on 21 Jan 2018 - 22:50

List Question

Which Matrix is an Inner Product

Coset and Fiber

Determinant equal to zero : elements are angles

existence of $T^k=0$ in a linear transformation

What does "stability" mean in regards to sum and scalar multiplication?

Let $A,B\in\text{Mat}_n(\mathbb{C})$ if $A$, $B$ commute, then $\det(A^2+B^2)\geq 0$

Determine Ker(L ◦ L) and Im(L o L)

Rotating a matrix to become symmetric

$\dim(\mathbb{V}_1 \oplus ...\oplus \mathbb{V}_k) = \dim\mathbb{V}_1+...+\dim\mathbb{V}_k$

Linear Algebra - Vector points

Let $A,B \in \text{Mat}_n(\mathbb{R})$ invertible with $n$ impar. Then $AB+BA\not = 0$

Is $XX^T$ invertible?

Investigate influence of two parameters to the number of solutions of the system of equations

Confused by semantics when showing "inequality"

Linear Algebra - Find distance between points by first finding vector

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