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ORCIDAmos S. Lawless
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2020 – today
- 2024
[j6]Shaerdan Shataer
, Amos S. Lawless, Nancy K. Nichols:
Conditioning of hybrid variational data assimilation. Numer. Linear Algebra Appl. 31(2) (2024)- 2023
- [i5]Shaerdan Shataer, Amos S. Lawless, Nancy K. Nichols:
The Conditioning of Hybrid Variational Data Assimilation. CoRR abs/2306.11869 (2023) - 2022
- [j5]Jemima M. Tabeart, Sarah L. Dance, Amos S. Lawless, Nancy K. Nichols, Joanne A. Waller:
New bounds on the condition number of the Hessian of the preconditioned variational data assimilation problem. Numer. Linear Algebra Appl. 29(1) (2022) - 2021
- [j4]Jason A. Otkin, Roland W. E. Potthast, Amos S. Lawless:
Nonlinear Conditional Model Bias Estimation for Data Assimilation. SIAM J. Appl. Dyn. Syst. 20(1): 299-332 (2021) - [i4]Ieva Dauzickaite, Amos S. Lawless, Jennifer A. Scott, Peter Jan van Leeuwen:
Randomised preconditioning for the forcing formulation of weak constraint 4D-Var. CoRR abs/2101.07249 (2021) - [i3]Ieva Dauzickaite, Amos S. Lawless, Jennifer A. Scott, Peter Jan van Leeuwen:
On preconditioning the state formulation of incremental weak constraint 4D-Var. CoRR abs/2105.09802 (2021) - 2020
- [j3]Ieva Dauzickaite, Amos S. Lawless, Jennifer A. Scott, Peter Jan van Leeuwen:
Spectral estimates for saddle point matrices arising in weak constraint four-dimensional variational data assimilation. Numer. Linear Algebra Appl. 27(5) (2020) - [i2]Jemima M. Tabeart, Sarah L. Dance, Amos S. Lawless, Nancy K. Nichols, Joanne A. Waller:
The conditioning of least squares problems in preconditioned variational data assimilation. CoRR abs/2010.08416 (2020)
2010 – 2019
- 2019
- [i1]Ieva Dauzickaite, Amos S. Lawless, Jennifer A. Scott, Peter Jan van Leeuwen:
Spectral estimates for saddle point matrices arising in weak constraint four-dimensional variational data assimilation. CoRR abs/1908.07949 (2019) - 2018
- [j2]Jemima M. Tabeart, Sarah L. Dance, Stephen A. Haben, Amos S. Lawless, Nancy K. Nichols, Joanne A. Waller:
The conditioning of least-squares problems in variational data assimilation. Numer. Linear Algebra Appl. 25(5) (2018)
2000 – 2009
- 2007
- [j1]Serge Gratton, Amos S. Lawless, Nancy K. Nichols:
Approximate Gauss-Newton Methods for Nonlinear Least Squares Problems. SIAM J. Optim. 18(1): 106-132 (2007)
Coauthor Index
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