Question

Maximal matrix sparsity induced by orthogonal transformations

score 52 · Answer 1 · 2016-10-07 10:06:13

52

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Maximal matrix sparsity induced by orthogonal transformations

Published on 07 Oct 2016 - 10:06

score 183 · Answer 2 · 2016-10-21 19:06:00

183

Views

How do I efficiently solve a linear differential equation with purely imaginary coefficients: $ \frac{dy}{dt} = i A y $ (A real, symmetric, sparse)?

Published on 21 Oct 2016 - 19:06

score 220 · Answer 3 · 2016-11-28 21:57:44

220

Views

Matrix trace partial derivative

Published on 28 Nov 2016 - 21:57

score 1.3k · Answer 4 · 2016-12-06 17:51:30

1.3k

Views

What is a sparse vector and which role does the $l_0$ norm play?

Published on 06 Dec 2016 - 17:51

score 206 · Answer 5 · 2016-12-07 19:02:56

206

Views

Anyone knows a transformation that can lump non-zero values in a matrix together?

Published on 07 Dec 2016 - 19:02

score 29 · Answer 6 · 2016-12-18 17:14:21

29

Views

Find difference of product of binary vector to binary matrix after fliping one bit in the vector.

Published on 18 Dec 2016 - 17:14

score 360 · Answer 7 · 2016-12-22 16:55:17

360

Views

Generating Sparse Grids with Non-negative Weights

Published on 22 Dec 2016 - 16:55

score 707 · Answer 8 · 2017-01-13 22:17:44

707

Views

How do I invert this sparse lower triangular matrix

Published on 13 Jan 2017 - 22:17

score 151 · Answer 9 · 2026-03-23 18:47:32

151

Views

compressive sensing

Published on 23 Mar 2026 - 18:47

score 80 · Answer 10 · 2026-03-25 11:04:34

80

Views

Large scale system of equation where $A \in {\rm I\!R}^{n\times n}$ is too large for main memory

Published on 25 Mar 2026 - 11:04

score 1.5k · Answer 11 · 2017-03-28 16:25:19

1.5k

Views

How does the Lanczos iteration find small eigenvalues?

Published on 28 Mar 2017 - 16:25

score 44 · Answer 12 · 2017-03-28 20:45:21

44

Views

Relation between these sparse matrices

Published on 28 Mar 2017 - 20:45

score 42 · Answer 13 · 2023-02-01 16:52:37

42

Views

Inverse of a matrix with sparse rows and columns.

Published on 01 Feb 2023 - 16:52

score 65 · Answer 14 · 2023-02-14 09:08:05

65

Views

Is there an efficient way to solve a system of linear equations with an almost tridiagonal sparse matrix?

Published on 14 Feb 2023 - 9:08

score 56 · Answer 15 · 2026-03-25 06:48:09

56

Views

When is the inverse of a sparse SPD matrix also sparse?

Published on 25 Mar 2026 - 6:48

List Question

Maximal matrix sparsity induced by orthogonal transformations

How do I efficiently solve a linear differential equation with purely imaginary coefficients: $ \frac{dy}{dt} = i A y $ (A real, symmetric, sparse)?

Matrix trace partial derivative

What is a sparse vector and which role does the $l_0$ norm play?

Anyone knows a transformation that can lump non-zero values in a matrix together?

Find difference of product of binary vector to binary matrix after fliping one bit in the vector.

Generating Sparse Grids with Non-negative Weights

How do I invert this sparse lower triangular matrix

compressive sensing

Large scale system of equation where $A \in {\rm I\!R}^{n\times n}$ is too large for main memory

How does the Lanczos iteration find small eigenvalues?

Relation between these sparse matrices

Inverse of a matrix with sparse rows and columns.

Is there an efficient way to solve a system of linear equations with an almost tridiagonal sparse matrix?

When is the inverse of a sparse SPD matrix also sparse?

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