State-dependent Preconditioning for Data Assimilation
Résumé
Variational Data Assimilation requires the optimization of a high-dimensional function. This is usually done by linearizing the problem, and then inverting the Gauss-Newton matrix. ¿ Can we build a state-dependent preconditioner which would help for the inversion of the linear system ?
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TRAPPLER_Victor_State_Dependent_Preconditioning_for_Variational_Data_Assimilation.pdf (744.28 Ko)
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