{ "id": "2001.10846", "version": "v1", "published": "2020-01-29T14:02:11.000Z", "updated": "2020-01-29T14:02:11.000Z", "title": "About Convergence and Order of Convergence of some Fractional Derivatives", "authors": [ "Sabrina Roscani", "Lucas Venturato" ], "comment": "16 oages, 4 figures", "categories": [ "math.AP", "cs.NA", "math.CA", "math.NA" ], "abstract": "In this paper we establish some convergence results for Riemann-Liouville, Caputo, and Caputo-Fabrizio fractional operators when the order of differentiation approaches one. We consider some errors given by $\\left|\\left| D^{1-\\al}f -f'\\right|\\right|_p$ for p=1 and $p=\\infty$ and we prove that for both Caputo and Caputo Fabrizio operators the order of convergence is a positive real r, 0