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Numerical calculation of fractional derivatives of non-smooth data
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Resumo(s)
This paper addresses the calculation of fractional derivatives of fractional order for non-smooth data. The noise is avoided by adopting an optimization formulation using genetic algorithms (GA). Given the flexibility of the evolutionary schemes it is established a hierarchical GA composed by a series of two GAs, each one with having a distinct fitness function.
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Palavras-chave
Fractional calculus Numerical differentiation Genetic algorithms