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- W2025831344 abstract "This technical note addresses the UD factorization based Kalman filtering (KF) algorithms. Using this important class of numerically stable KF schemes, we extend its functionality and develop an elegant and simple method for computation of sensitivities of the system state to unknown parameters required in a variety of applications. For instance, it can be used for efficient calculations in sensitivity analysis and in gradient-search optimization algorithms for the maximum likelihood estimation. The new theory presented in this technical note is a solution to the problem formulated by Bierman in , which has been open since 1990s. As in the cited paper, our method avoids the standard approach based on the conventional KF (and its derivatives with respect to unknown system parameters) with its inherent numerical instabilities and, hence, improves the robustness of computations against roundoff errors." @default.
- W2025831344 created "2016-06-24" @default.
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- W2025831344 date "2013-11-01" @default.
- W2025831344 modified "2023-09-23" @default.
- W2025831344 title "State Sensitivity Evaluation Within UD Based Array Covariance Filters" @default.
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- W2025831344 doi "https://doi.org/10.1109/tac.2013.2259093" @default.
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