List questions from linear-algebra

Published on 16 Apr 2026 - 23:49

107

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Rotation around a line

Published on 14 Apr 2026 - 22:18

879

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Are there uncountably many $A\in M_3 (\mathbb {R})$ such that $A^8=I $?

Published on 11 May 2026 - 7:35

442

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Smallest and largest possible maximum singular value of this product

Published on 10 May 2026 - 16:01

12.5k

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Transpose matrix and inner product

Published on 09 Apr 2026 - 23:57

2.3k

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Find the basis of the Null space and the column space.

Published on 12 Apr 2026 - 18:54

291

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Why a line has dimension 1?

Published on 16 Apr 2026 - 6:29

433

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What method is used to diagonalized this matrix?

Published on 11 Apr 2026 - 4:08

1.1k

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Properties of matrices, including span , vectors and products

Published on 09 Apr 2026 - 21:39

110

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Determine whether $V:=\{x_1,x_2,x_3\in\mathbb{R}^3|2x_1+5x_2=x_3 \}$ is a subspace of $\mathbb{R}^3$

Published on 15 Apr 2026 - 19:22

54

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Duality by computing $P+Q$

Published on 14 May 2026 - 21:31

2.7k

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Gaussian elimination with an unknown constant

Published on 10 Apr 2026 - 5:19

5.5k

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Determine whether the following sets are subspaces of $\mathbb{R}^3$

Published on 14 Apr 2026 - 3:26

131

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Formula to determine how many quarters needed to buy remaining baseball cards in collection?

Published on 01 May 2026 - 1:08

507

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Changing bases for orthogonal matrix

Published on 10 May 2026 - 17:58

List Question

Why does the inner product require the base field be $\mathbb{R}$ or $\mathbb{C}$?

Rotation around a line

Are there uncountably many $A\in M_3 (\mathbb {R})$ such that $A^8=I $?

Smallest and largest possible maximum singular value of this product

Transpose matrix and inner product

Find the basis of the Null space and the column space.

Why a line has dimension 1?

What method is used to diagonalized this matrix?

Properties of matrices, including span , vectors and products

Determine whether $V:=\{x_1,x_2,x_3\in\mathbb{R}^3|2x_1+5x_2=x_3 \}$ is a subspace of $\mathbb{R}^3$

Duality by computing $P+Q$

Gaussian elimination with an unknown constant

Determine whether the following sets are subspaces of $\mathbb{R}^3$

Formula to determine how many quarters needed to buy remaining baseball cards in collection?

Changing bases for orthogonal matrix

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