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- W2091690493 abstract "Gottlieb e co-autores propuseram, em [6], um novo metodo que elimina completamente o fenomeno de Gibbs de expansoes em serie de Fourier de funcoes descontinuas, analiticas por partes. O metodo emprega os coeficientes de Fourier para obter os coeficientes de uma expansao em polinomios de Gegenbauer que representa com acuracia espectral a funcao dada. Neste trabalho, propomos um metodo de Fourier-Gegenbauer de resolucao numerica de elevada precisao para as equacoes de Helmholtz unidimensionais. O estudo numerico de casos-teste e compara coes com metodos alternativos propostos na literatura evidencia as vantagens da tecnica proposta." @default.
- W2091690493 created "2016-06-24" @default.
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- W2091690493 date "2004-10-13" @default.
- W2091690493 modified "2023-09-24" @default.
- W2091690493 title "Um Método Unidimensional de Fourier-Gegenbauer para a Resolução da Equação de Helmholtz" @default.
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- W2091690493 doi "https://doi.org/10.5540/tema.2004.05.02.0295" @default.
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