Browsing by Author "Costa, J. Sá da"
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- Considerations about the choice of a differintegratorPublication . Ortigueira, Manuel D.; Machado, J. A. Tenreiro; Costa, J. Sá daDespite the great advances in the theory and applications of fractional calculus, some topics remain unclear making difficult its use in a systematic way. This paper studies the fractional differintegration definition problem from a systems point of view. Both local (Grunwald-Letnikov) and global (convoluntional) definitions are considered. It is shown that the Cauchy formulation must be adopted since it is coherent with usual practice in signal processing and control applications...