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An expansion formula with higher-order derivatives for fractional operators of variable order

Abstract : We obtain approximation formulas for fractional integrals and derivatives of Riemann-Liouville and Marchaud types with a variable fractional order. The approximations involve integer-order derivatives only. An estimation for the error is given. The efficiency of the approximation method is illustrated with examples. As applications, we show how the obtained results are useful to solve differential equations and problems of the calculus of variations that depend on fractional derivatives of Marchaud type.
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https://hal.inria.fr/hal-01066990
Contributor : Estelle Bouzat <>
Submitted on : Monday, September 22, 2014 - 5:14:56 PM
Last modification on : Thursday, May 2, 2019 - 2:14:37 PM

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Ricardo Almeida, Delfim F. M. Torres. An expansion formula with higher-order derivatives for fractional operators of variable order. The Scientific World Journal, Hindawi Publishing Corporation, 2013, 2013, 11p. ⟨10.1155/2013/915437⟩. ⟨hal-01066990⟩

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