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5

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448

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Computational method to compute both the (log) determinant and inverse of a matrix

linear-algebra matrix-factorization

modified Sep 20 at 15:01 nicoguaro♦ 7,267

4

votes

1

answer

98

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Solving for a single element of a solution of a linear system

linear-algebra iterative-method

modified Sep 19 at 8:01 Federico Poloni 7,681

2

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0

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51

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Multigrid method: linear solver and modified residual

linear-algebra fluid-dynamics algorithms multigrid

asked Sep 17 at 15:09 albiremo 302

3

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0

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79

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Stable iterative solver for complex symmetric linear systems

linear-algebra linear-solver iterative-method symmetry complex

modified Sep 17 at 14:24 Breno 131

3

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1

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99

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Choice of iterative solver for a sparse asymmetric matrix with symmetric structure

linear-algebra linear-solver sparse-matrix symmetry

modified Sep 16 at 17:04 CommunityBot 1

3

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0

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40

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Find $x$ that satisfy $(I-A^A)+x(\frac{A+A^}{2})\prec0$ using LMI or SDP on Matlab

linear-algebra matlab semidefinite-programming cvx

modified Sep 16 at 12:05 Lee 163

5

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2

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99

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Optimizing a quadratic form integral over unit sphere

linear-algebra optimization quadrature

modified Sep 1 at 16:45 sssssssssssss 939

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2

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111

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Implementation of $[X, \cdot]$ as an $n^2 \times n^2$ matrix, where $X$ is an $n \times n$ matrix

linear-algebra python matrix numpy

modified Aug 31 at 22:31 Solarflare0 185

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0

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58

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Comparing minimas of two different functions

linear-algebra optimization convex-optimization

modified Aug 25 at 7:10 kevin811 41

6

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1

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187

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Algorithm for solving systems which are nearly symmetric/adjoint?

linear-algebra matrix sparse-matrix matrix-factorization

answered Aug 22 at 14:11 Steven Roberts 719

5

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2

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185

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Term for the typical "linear in the larger dimension, quadratic in the smaller" cost for linear algebra

linear-algebra reference-request matrix-factorization

modified Aug 20 at 19:42 Dirk 1,678

33

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6

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28k

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What is the fastest way to calculate the largest eigenvalue of a general matrix?

linear-algebra algorithms eigensystem sparse-matrix

modified Aug 12 at 20:21 brethvoice 3

18

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4

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2k

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Why do we usually not want the eigenvalues of non-symmetric matrices?

linear-algebra matrix numerics eigenvalues

modified Aug 9 at 6:05 Federico Poloni 7,681

5

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1

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128

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Solving absolute value systems

linear-algebra linear-solver

modified Aug 5 at 5:50 Richard 1,914

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