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matrix-factorization

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11 Questions

Votes Activity Newest Views

3

votes

1

answer

310

views

Givens rotation vs 2x2 Householder reflection

matrix-factorization

Jan 12 at 22:09 Federico Poloni 6,738

3

votes

2

answers

139

views

1+x not backwards stable?

stability

Dec 2 '18 at 17:07 Kirill 11.2k

3

votes

0

answers

54

views

Preconditioning matrix with known spectrum

linear-solver eigenvalues preconditioning

Aug 14 '16 at 11:29 gTcV 395

2

votes

0

answers

61

views

Does incomplete LU preconditioning improve the asymptotic scaling of Krylov subspace methods?

preconditioning matrix-factorization krylov-method

Nov 24 at 2:46 gTcV 395

2

votes

3

answers

89

views

Reduction of linear system with decaying unknown

wavelet

Mar 13 '18 at 22:52 gTcV 395

1

1

vote

0

answers

49

views

Nonsymmetric permutations for LU factorisation of symmetric matrix

sparse-matrix matrix-factorization

Feb 15 at 2:49 gTcV 395

1

vote

1

answer

118

views

Classical vs. modified Gram-Schmidt

matrix-factorization

Aug 23 '19 at 9:06 gTcV 395

1

vote

1

answer

73

views

Software for parallel incomplete LU factorisation

sparse-matrix software matrix-factorization

Aug 5 '19 at 0:25 Anton Menshov♦ 7,823

1

vote

2

answers

57

views

BLAS3 in Multifrontal Sparse Decomposition

sparse-matrix

Apr 14 '17 at 16:31 gTcV 395

1

1

vote

1

answer

161

views

Difference between explicit and implicit preconditioning

linear-solver iterative-method preconditioning

Sep 11 '16 at 7:40 gTcV 395

1

vote

1

answer

47

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Householder QR for abstract vectors

matrix-factorization

Aug 18 '16 at 23:59 Geoff Oxberry 29.1k

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