Soluções numéricas para equações diferenciais implícitas com singularidades
DOI:
https://doi.org/10.5433/1679-0375.2022v43n1Espp3Palavras-chave:
Equações diferenciais implícitas, Singularidades, Equações algébrico-diferenciaisResumo
Neste artigo apresentamos uma tecnica para tratar com equacoes diferenciais implicitas exibindo singularidades. Nossa abordagem e geometrica e usamos o conceito de estrutura de contato em uma variedade associada a equacao diferencial. Neste contexto provamos um teorema de existencia e unicidade. Tambem mostramos como estas equacoes se relacionam com resultados geometricos conhecidos. Tambem indicamos como o metodo pode ser implementado usando tecnicas de metodos de continuacao e metodos BDF (Formula de Diferenciacao Atrasada).Downloads
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