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Zoekresultaten

Zoekopdracht: faculteit: "FEB" en publicatiejaar: "2003"

AuteursA.A.B. Klein, P.J.C. Spreij
TitelSome results on Vandermonde matrices with an application to time series analysis.
TijdschriftSIAM Journal on Matrix Analysis and Applications
Jaargang25
Jaar2003
Nummer1
Pagina's213-223
ISSN08954798
FaculteitFaculteit Economie en Bedrijfskunde
Faculteit der Natuurwetenschappen, Wiskunde en Informatica
Instituut/afd.FEB: Amsterdam School of Economics Research Institute (ASE-RI)
FNWI: Korteweg-de Vries Institute for Mathematics (KdVI)
SamenvattingIn this paper we study Stein equations in which the coefficient matrices are in companion form. Solutions to such equations are relatively easy to compute as soon as one knows how to invert a Vandermonde matrix (in the generic case where all eigenvalues have multiplicity one) or a confluent Vandermonde matrix (in the general case). As an application we present a way to compute the Fisher information matrix of an autoregressive moving average (ARMA) process. The computation is based on the fact that this matrix can be decomposed into blocks where each block satisfies a certain Stein equation.
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