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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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Spelling suggestions: "subject:"tridiagonal"" "subject:"diagonal""

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[en] RECOVERY OF TRIDIAGONAL MATRICES FROM SPECTRAL DATA / [pt] RECUPERAÇÃO DE MATRIZES TRIDIAGONAIS A PARTIR DE DADOS ESPECTRAIS

ANTONIO MARIA V MAC DOWELL DA COSTA 04 April 2024 (has links)
[pt] A identificação algorítmica de matrizes de Jacobi a partir de variáveis espectrais é um tema tradicional de análise numérica. Uma nova representação, as coordenadas bidiagonais, naturalmente exigiu que fosse considerado um novo algoritmo. O algoritmo é apresentado e confrontado com as técnicas habituais. / [en] Algorithms relating Jacobi matrices and spectral variables are standard objects in numerical analysis. The recent discovery of bidiagonal coordinates led to the search of an appropriate algorithm for these new variables. The new algorithm is presented and compared with previous techniques.
[pt] MATRIZ JACOBIANA
[en] JACOBIAN MATRIX
[pt] ALGORITMO ESPECTRAL INVERSO
[en] INVERSE SPECTRAL ALGORITHM
[pt] MATRIZ TRIDIAGONAL
[en] TRIDIAGONAL MATRIX
[pt] VARIEDADE ISOESPECTRAL
[en] ISOSPECTRAL MANIFOLD
[pt] COORDENADA BIDIAGONAL
[en] BIDIAGONAL COORDINATE

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