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Recursive formulation of the matrix Padé approximation in packed storage
, S. Ponnusamy, S. Sundar
Published in Elsevier Ltd
Volume: 59
Issue: 4
Pages: 1532 - 1540
The Extended Euclidean algorithm for matrix Padé approximants is applied to compute matrix Padé approximants when the coefficient matrices of the input matrix polynomial are triangular. The procedure given by Bjarne S. Anderson et al. for packing a triangular matrix in recursive packed storage is applied to pack a sequence of lower triangular matrices of a matrix polynomial in recursive packed storage. This recursive packed storage for a matrix polynomial is applied to compute matrix Padé approximants of the matrix polynomial using the Matrix Padé Extended Euclidean algorithm in packed form. The CPU time and memory comparison, in computing the matrix Padé approximants of a matrix polynomial, between the packed case and the non-packed case are described in detail. © 2009 Elsevier Ltd. All rights reserved.
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JournalData powered by TypesetComputers and Mathematics with Applications
PublisherData powered by TypesetElsevier Ltd