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math.DS2023
Convergence properties of a Gauss-Newton data-assimilation method
Nazanin Abedini, Svetlana Dubinkina
Four-dimensional weak-constraint variational data assimilation estimates a state given partial noisy observations and dynamical model by minimizing a cost function that takes into…
math.DS2017★ 1 cited
Projected Shadowing-based Data Assimilation
Bart de Leeuw, Svetlana Dubinkina, Jason Frank +3
In this article we develop algorithms for data assimilation based upon a computational time dependent stable/unstable splitting. Our particular method is based upon shadowing refin…