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Alternating projections and interpolation of stationary processes

Published online by Cambridge University Press:  14 July 2016

Mohsen Pourahmadi*
Affiliation:
Northern Illinois University
*
Postal address: Department of Mathematical Sciences, Northern Illinois University, DeKalb, IL 60115, USA.

Abstract

By using the alternating projection theorem of J. von Neumann, we obtain explicit formulae for the best linear interpolator and interpolation error of missing values of a stationary process. These are expressed in terms of multistep predictors and autoregressive parameters of the process. The key idea is to approximate the future by a finite-dimensional space.

Type
Research Papers
Copyright
Copyright © Applied Probability Trust 1992 

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Footnotes

Research supported by AFOSR-88–0284.

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