List questions from matrix-decomposition

Published on 10 Jan 2021 - 10:38

33

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A matrix with invertible pricinple minor can be left multiplier by a lower trianglular matrix to be an upper triangular matrix

Published on 11 Jan 2021 - 2:44

70

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Rank of eigenvector projections

Published on 28 Mar 2026 - 8:45

4.7k

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Singular value decomposition for unitary matrices

Published on 26 Mar 2026 - 18:56

517

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Diagonalizing a block diagonal matrix

Published on 28 Mar 2026 - 20:03

194

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Are all diagonalizaitions necessarily eigendecompositions?

Published on 06 Apr 2026 - 2:50

265

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An eigen-decomposition problem with Kronecker product

Published on 26 Mar 2026 - 4:29

43

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Quadratic Form of $A^2, A^3$

Published on 31 Jan 2021 - 7:55

33

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Meromorphic matrix

Published on 25 Mar 2026 - 23:18

106

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Solve $\min_{\mathbf{V}}~\frac{1}{2}\|\mathbf{Z}-\mathbf{U}\mathbf{V}\mathbf{X}\|_{F}^{2}+\frac{\lambda}{2}\|\mathbf{V}\|_{F}^{2}$

Published on 03 Feb 2021 - 9:18

51

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Why can we use eigendecomposition in a funciton in this way

Published on 24 Feb 2026 - 8:36

235

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Column rank of a matrix

Published on 04 Apr 2026 - 20:23

381

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What is the advantage of LU decomposition over storing the elimination matrix directly?

Published on 03 Feb 2021 - 23:34

271

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PCA for image analysis - Eigendecomposition VS SVD

Published on 01 Apr 2026 - 5:40

226

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Triangle inequality for absolute values of matrices

Published on 08 Feb 2021 - 19:51

List Question

(New Kids on The) Block Matrix Multiplication

A matrix with invertible pricinple minor can be left multiplier by a lower trianglular matrix to be an upper triangular matrix

Rank of eigenvector projections

Singular value decomposition for unitary matrices

Diagonalizing a block diagonal matrix

Are all diagonalizaitions necessarily eigendecompositions?

An eigen-decomposition problem with Kronecker product

Quadratic Form of $A^2, A^3$

Meromorphic matrix

Solve $\min_{\mathbf{V}}~\frac{1}{2}\|\mathbf{Z}-\mathbf{U}\mathbf{V}\mathbf{X}\|_{F}^{2}+\frac{\lambda}{2}\|\mathbf{V}\|_{F}^{2}$

Why can we use eigendecomposition in a funciton in this way

Column rank of a matrix

What is the advantage of LU decomposition over storing the elimination matrix directly?

PCA for image analysis - Eigendecomposition VS SVD

Triangle inequality for absolute values of matrices

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