List questions from linear-algebra

Published on 19 Feb 2018 - 3:55

254

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Norm Equals Supremum of Inner Product when ||w||=1?

Published on 26 Mar 2026 - 16:56

323

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For a symmetric matrices $A$ and $B$ with $AB=BA$, show that the property $X$ holds

Published on 25 Mar 2026 - 16:03

46

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Linear combination of vectors in $\Bbb{R}^2$

Published on 19 Feb 2018 - 5:14

110

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Find $A$ if $B=A-A^T$

Published on 26 Mar 2026 - 19:15

167

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norm inequaity for A-norm

Published on 26 Mar 2026 - 16:57

88

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Prove/disprove that $A = kI$

Published on 26 Mar 2026 - 22:17

324

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Diagonalization of the Fourier transformation.

Published on 24 Mar 2026 - 20:42

252

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Interesting inequalities that can be derived from Cauchy-Schwarz

Published on 26 Mar 2026 - 16:05

76

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same eigenvalues gives addition of eigenvectors being an eigenvector.

Published on 19 Feb 2018 - 11:55

81

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Prove that $T=T_xR$ with $x\in \Bbb R^n$ and $R\in O(n)$

Published on 25 Mar 2026 - 11:16

269

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Matrices and Unit Circle on an Orthonormal Basis

Published on 26 Mar 2026 - 7:05

31

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Determine if a set is a subspace of another one. What does the word fixed mean here?

Published on 19 Feb 2018 - 13:59

44

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Let $m,n \in\mathbb{N}$ and $ P,Q\in M_{n\times m}(\mathbb{R})$. Then which of the following is/are not possible?

Published on 19 Feb 2018 - 14:04

1.6k

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Condition for intersection of two 3D lines.

Published on 26 Mar 2026 - 6:33

List Question

Find Elementary Matrix

Norm Equals Supremum of Inner Product when ||w||=1?

For a symmetric matrices $A$ and $B$ with $AB=BA$, show that the property $X$ holds

Linear combination of vectors in $\Bbb{R}^2$

Find $A$ if $B=A-A^T$

norm inequaity for A-norm

Prove/disprove that $A = kI$

Diagonalization of the Fourier transformation.

Interesting inequalities that can be derived from Cauchy-Schwarz

same eigenvalues gives addition of eigenvectors being an eigenvector.

Prove that $T=T_xR$ with $x\in \Bbb R^n$ and $R\in O(n)$

Matrices and Unit Circle on an Orthonormal Basis

Determine if a set is a subspace of another one. What does the word fixed mean here?

Let $m,n \in\mathbb{N}$ and $ P,Q\in M_{n\times m}(\mathbb{R})$. Then which of the following is/are not possible?

Condition for intersection of two 3D lines.

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