Equações diferenciais ordinarias com campo de direções parcialmente conhecido / Ordinary differential equations with direction field partly known

AUTOR(ES)
DATA DE PUBLICAÇÃO

2006

RESUMO

In this work we propose a metodology to study Ordinary Differential Equations supposing the direction field is partially known. We join theory of Fuzzy Controlers and traditional numerical methods to develop this study. Using classical theorems of continuity and aproximation theory we saw that, for some cases, the solutions we present here estimate the theorical ones. We ll use the metodology proposed here to analyse unidimensional models of populational growth and models that envolves many species. Finally, we point out our metodology like an auxiliar tool to obtain parameters of deterministic differential equations

ASSUNTO(S)

ordinary differential equations approximation theory conjuntos difusos equações diferenciais ordinarias fuzzy sets teoria da aproximação

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