List questions from linear-algebra

Published on 12 May 2026 - 3:52

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Inverse of Gaussian Kernel Matrix

Published on 14 Apr 2026 - 13:40

1.2k

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Eigenvectors of discrete Laplace matrix for 2D unit square under Neumann boundary condition

Published on 10 May 2026 - 15:46

31

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Proof Comparison in linear algebra

Published on 11 Apr 2026 - 14:04

192

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Does the preimage of finite codimension spaces have finite codimension?

Published on 09 Apr 2026 - 11:17

78

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Show that $J-A$ will have nullity at least $9$

Published on 24 Apr 2026 - 8:11

378

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Determine all graphs with characteristic polynomial $t^8-24t^6-64t^5-48t^4$

Published on 10 May 2026 - 16:59

914

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Shouldn't the trace of an orthogonal projector be in $\mathbb{N}$?

Published on 10 May 2026 - 16:12

116

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How do I see if $f \in V \wedge W$?

Published on 10 May 2026 - 15:23

71

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Find the number of Invertible Matrix

Published on 15 Apr 2026 - 19:57

181

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Matrix over $\mathbb{C}$ with non-zero eigenvalues

Published on 11 Apr 2026 - 20:53

113

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Fix points and invariant planes of projectivity not using coordinates

Published on 11 May 2026 - 2:00

43

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How to use these to represent the $(x_{1}-x_{2})(x_{2}-x_{3})(x_{3}-x_{1})$

Published on 17 Apr 2026 - 5:02

1.3k

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Sum of positive semidefinite and negative definite matrices

Published on 10 May 2026 - 18:26

53

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For the $4x^3-g_{2}x-g_{3}=0$, why the discriminant it must be of the form $\alpha g_{2}^3+\beta g_{3}^2$?

Published on 13 May 2026 - 21:26

List Question

How to convert an affine matrix to a homography matrix?

Inverse of Gaussian Kernel Matrix

Eigenvectors of discrete Laplace matrix for 2D unit square under Neumann boundary condition

Proof Comparison in linear algebra

Does the preimage of finite codimension spaces have finite codimension?

Show that $J-A$ will have nullity at least $9$

Determine all graphs with characteristic polynomial $t^8-24t^6-64t^5-48t^4$

Shouldn't the trace of an orthogonal projector be in $\mathbb{N}$?

How do I see if $f \in V \wedge W$?

Find the number of Invertible Matrix

Matrix over $\mathbb{C}$ with non-zero eigenvalues

Fix points and invariant planes of projectivity not using coordinates

How to use these to represent the $(x_{1}-x_{2})(x_{2}-x_{3})(x_{3}-x_{1})$

Sum of positive semidefinite and negative definite matrices

For the $4x^3-g_{2}x-g_{3}=0$, why the discriminant it must be of the form $\alpha g_{2}^3+\beta g_{3}^2$?

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