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Cálculo de Autovalores via Métodos tipo Newton

Authors: L.H. Bezerra;

Cálculo de Autovalores via Métodos tipo Newton

Abstract

Neste trabalho, desenvolve-se uma análise numérica de alguns métodos de decomposição parcial do espectro de uma matriz, mostrando a relação desses métodos com o método de Newton para calcular zeros de funções. Um desses métodos é o DPSE (Dominant Pole Spectrum Eigensolver), que surgiu em problemas de Controle. Provamos nesse trabalho que esse método, que é tipo Newton, tem convergência local quadrática. São mostrados alguns resultados interessantes obtidos da aplicação do DPSE ao problema de estabilidade local do sistema elétrico de potência brasileiro, que são então comparados a resultados obtidos com métodos tradicionais utilizados também na resolução desse problema.

Keywords

QA1-939, Mathematics

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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