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Direct Weight Optimization for Approximately Linear Functions: Optimality and Design
Institute of Control Sciences, Russia.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
2006 (English)In: Proceedings of the 14th IFAC Symposium on System Identification, 2006, 796-801 p.Conference paper, Published paper (Refereed)
Abstract [en]

The Direct Weight Optimization (DWO) approach to estimating a regression function is studied here for the class of approximately linear functions, i.e., functions whose deviation from an affine function is bounded by a known constant. Upper and lower bounds for the asymptotic maximum MSE are given, some of which also hold in the non-asymptotic case and for an arbitrary fixed design. Their coincidence is then studied. Particularly, under mild conditions, it can be shown that there is always an interval in which the DWO-optimal estimator is optimal among all estimators. Experiment design issues are also studied.

Place, publisher, year, edition, pages
2006. 796-801 p.
Keyword [en]
Nonlinear system identification, Nonparametric identification, Function approximation, Minimax techniques, Quadratic programming, Mean-square error
National Category
Engineering and Technology Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-36933DOI: 10.3182/20060329-3-AU-2901.00125Local ID: 33080ISBN: 978-3-902661-02-9 (print)OAI: oai:DiVA.org:liu-36933DiVA: diva2:257782
Conference
14th IFAC Symposium on System Identification, Newcastle, Australia, March, 2006
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2013-02-26

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Roll, JacobLjung, Lennart

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  • nn-NB
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