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**Fractional calculus and Shannon wavelet.**
*(English)*
Zbl 1264.42016

Summary: An explicit analytical formula for the any order fractional derivative of Shannon wavelet is given as wavelet series based on connection coefficients. So that for any \(L_2(\mathbb R)\) function, reconstructed by Shannon wavelets, we can easily define its fractional derivative. The approximation error is explicitly computed, and the wavelet series is compared with Grünwald fractional derivative by focusing on the many advantages of the wavelet method, in terms of rate of convergence.

### MSC:

42C40 | Nontrigonometric harmonic analysis involving wavelets and other special systems |

94A17 | Measures of information, entropy |

26A33 | Fractional derivatives and integrals |

65T60 | Numerical methods for wavelets |

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\textit{C. Cattani}, Math. Probl. Eng. 2012, Article ID 502812, 26 p. (2012; Zbl 1264.42016)

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### References:

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