@incollection{moireau:hal-03921465, TITLE = {{Discrete-time formulations as time discretization strategies in data assimilation}}, AUTHOR = {Moireau, Philippe}, URL = {https://inria.hal.science/hal-03921465}, BOOKTITLE = {{Handbook of Numerical Analysis, Numerical Control: Part B}}, PUBLISHER = {{Elsevier}}, SERIES = {Handbook of Numerical Analysis}, YEAR = {2022}, DOI = {10.1016/bs.hna.2022.11.005}, KEYWORDS = {Least squares minimization ; Kalman filtering ; Luenberger observer ; Mortensen estimator}, PDF = {https://inria.hal.science/hal-03921465/file/moireau-chap7-v2.pdf}, HAL_ID = {hal-03921465}, HAL_VERSION = {v1}, }