List questions from matrix-decomposition

283

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Matrix-form derivative and vector-format derivative are same using Alternating least squares (ALS) algorithm?

Published on 21 Feb 2016 - 19:40

57

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Is it possible to get a simplified expression for the following matrix?

Published on 02 Apr 2026 - 4:38

566

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Determinant of block matrix with A size 1x1

Published on 24 Feb 2016 - 6:24

545

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Changes in SVD decomposition when $A$ changes to $4A$?

Published on 27 Feb 2016 - 1:09

355

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LU Decomposition of matrix A?

Published on 28 Feb 2016 - 6:03

5.8k

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LU factorization of a 3x3 matrix

Published on 04 Mar 2016 - 6:40

538

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Eigenvectors of Diagonally Dominant Matrices

Published on 28 Mar 2026 - 5:38

1.6k

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Calculated product of two projection matrices

Published on 02 Apr 2026 - 7:32

90

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Faster Cholesky factorization of $diag(\mathbf{x}_{i}) \otimes \mathbf{A} + \mathbf{B}$ for $i=1,\ldots,n$?

Published on 06 Mar 2016 - 2:06

12.5k

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Orthogonal decomposition of vector v with respect to span W

Published on 06 Mar 2016 - 22:10

2.3k

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Finding orthogonal projectors onto the range/null space of the matrix A

Published on 06 Mar 2016 - 22:57

1.3k

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Differentiate wrt Cholesky decomposition

Published on 10 Mar 2016 - 0:53

415

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Binary matrix decomposition

Published on 10 Mar 2016 - 17:02

43

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If $A \in \mathbb{R}^{m\times n}$, $m<n$, and $AA^T = I_m$, what are the eigenvalues of $3I_n - A^TA$?

Published on 02 Apr 2026 - 20:36

98

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determinant of this symmetric matrix

Published on 02 Apr 2026 - 6:18

List Question

Matrix-form derivative and vector-format derivative are same using Alternating least squares (ALS) algorithm?

Is it possible to get a simplified expression for the following matrix?

Determinant of block matrix with A size 1x1

Changes in SVD decomposition when $A$ changes to $4A$?

LU Decomposition of matrix A?

LU factorization of a 3x3 matrix

Eigenvectors of Diagonally Dominant Matrices

Calculated product of two projection matrices

Faster Cholesky factorization of $diag(\mathbf{x}_{i}) \otimes \mathbf{A} + \mathbf{B}$ for $i=1,\ldots,n$?

Orthogonal decomposition of vector v with respect to span W

Finding orthogonal projectors onto the range/null space of the matrix A

Differentiate wrt Cholesky decomposition

Binary matrix decomposition

If $A \in \mathbb{R}^{m\times n}$, $m<n$, and $AA^T = I_m$, what are the eigenvalues of $3I_n - A^TA$?

determinant of this symmetric matrix

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