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Ieva Daužickaitė
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Randomised preconditioning for the forcing formulation of weak‐constraint 4D‐Var
I Daužickaitė, AS Lawless, JA Scott, PJ Van Leeuwen
Quarterly Journal of the Royal Meteorological Society 147 (740), 3719-3734, 2021
102021
Spectral estimates for saddle point matrices arising in weak constraint four‐dimensional variational data assimilation
I Daužickaitė, AS Lawless, JA Scott, PJ Van Leeuwen
Numerical Linear Algebra with Applications 27 (5), e2313, 2020
72020
A comparison of mixed precision iterative refinement approaches for least-squares problems
E Carson, I Daužickaitė
arXiv preprint arXiv:2405.18363, 2024
52024
The stability of split-preconditioned FGMRES in four precisions
E Carson, I Daužickaitė
arXiv preprint arXiv:2303.11901, 2023
52023
Single-pass Nyström approximation in mixed precision
E Carson, I Daužickaitė
SIAM Journal on Matrix Analysis and Applications 45 (3), 1361-1391, 2024
32024
On time‐parallel preconditioning for the state formulation of incremental weak constraint 4D‐Var
I Daužickaitė, AS Lawless, JA Scott, PJ van Leeuwen
Quarterly Journal of the Royal Meteorological Society 147 (740), 3521-3529, 2021
32021
On the preconditioning for weak constraint four-dimensional variational data assimilation
I Dauzickaite
University of Reading, 2022
12022
Mixed precision sketching for least-squares problems and its application in GMRES-based iterative refinement
E Carson, I Daužickaitė
arXiv preprint arXiv:2410.06319, 2024
2024
Eigenvalue estimates for saddle point matrices arising in weak constraint four-dimensional variational data assimilation
I Dauzickaite, A Lawless, J Scott, PJ van Leeuwen
2020
Detection of permutation symmetries in numerical constraint satisfaction problems
I Dauzickaite
2017
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