ON THE SPECTRAL PROPERTIES OF MATRICES ASSOCIATED WITH TREND FILTERS

Alessandra Luati and Tommaso Proietti

Econometric Theory, 2010, vol. 26, issue 4, 1247-1261

Abstract: This note is concerned with the spectral properties of matrices associated with linear smoothers. We derive analytical results on the eigenvalues and eigenvectors of smoothing matrices by interpreting the latter as perturbations of matrices belonging to algebras with known spectral properties, such as the circulant and the generalized tau. These results are used to characterize the properties of a smoother in terms of an approximate eigen-decomposition of the associated smoothing matrix.

Date: 2010
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Working Paper: On the Spectral Properties of Matrices Associated with Trend Filters (2008)
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Persistent link: https://EconPapers.repec.org/RePEc:cup:etheor:v:26:y:2010:i:04:p:1247-1261_99

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