Abstract
In this paper, a method is developed for estimating the optimal smoothing parameter ε for periodic control theoretic smoothing splines. The procedure is based on general cross validation (GCV) and requires no a priori information about the underlying curve or level of noise in the measurements. The optimal ε is the minimizer of an estimated GCV cost function, which is derived based on a discretization of the L 2 smoothing problem for periodic control theoretic smoothing splines.
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Karasalo, M., Hu, X., Martin, C.F. (2010). An Estimated General Cross Validation Function for Periodic Control Theoretic Smoothing Splines. In: Willems, J.C., Hara, S., Ohta, Y., Fujioka, H. (eds) Perspectives in Mathematical System Theory, Control, and Signal Processing. Lecture Notes in Control and Information Sciences, vol 398. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-93918-4_9
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DOI: https://doi.org/10.1007/978-3-540-93918-4_9
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