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gTcV

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matrix-factorization

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10 Questions

Votes Activity Newest Views
 
3
votes
1
answer
280
views

Givens rotation vs 2x2 Householder reflection

matrix-factorization
Jan 12 at 22:09 Federico Poloni 6,628
 
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 405
 
1
vote
1
answer
105
views

Classical vs. modified Gram-Schmidt

matrix-factorization
Aug 23 '19 at 9:06 gTcV 405
 
1
vote
1
answer
66
views

Software for parallel incomplete LU factorisation

sparse-matrix software matrix-factorization
Aug 5 '19 at 0:25 Anton Menshov♦ 7,813
 
3
votes
2
answers
121
views

1+x not backwards stable?

stability
Dec 2 '18 at 17:07 Kirill 11.2k
 
2
votes
3
answers
87
views

Reduction of linear system with decaying unknown

wavelet
Mar 13 '18 at 22:52 gTcV 405
 
1
vote
2
answers
56
views

BLAS3 in Multifrontal Sparse Decomposition

sparse-matrix
Apr 14 '17 at 16:31 gTcV 405
1
1
vote
1
answer
157
views

Difference between explicit and implicit preconditioning

linear-solver iterative-method preconditioning
Sep 11 '16 at 7:40 gTcV 405
 
2
votes
1
answer
46
views

Householder QR for abstract vectors

matrix-factorization
Aug 18 '16 at 23:59 Geoff Oxberry 29k
 
4
votes
0
answers
53
views

Preconditioning matrix with known spectrum

linear-solver eigenvalues preconditioning
Aug 14 '16 at 11:29 gTcV 405
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