Nonlinear Processes in Geophysics
Nonlinear Processes in Geophysics
NPG
Articles | Volume 24, issue 4
Articles | Volume 24, issue 4
https://doi.org/10.5194/npg-24-701-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/npg-24-701-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 24, issue 4
Research article
 | 
01 Dec 2017
Research article |  | 01 Dec 2017

The Onsager–Machlup functional for data assimilation

Nozomi Sugiura

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Latest update: 30 Oct 2025
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Short summary
The optimisation of simulation paths is sometimes misleading. We can find a path with the highest probability by the method of least squares. However, it is not necessarily the route where the paths are most concentrated. This paper clarifies how we can find the mode of a distribution of paths by optimisation.
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