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. Author manuscript; available in PMC: 2021 Jun 15.
Published in final edited form as: Comput Methods Appl Mech Eng. 2020 Apr 15;362:112834. doi: 10.1016/j.cma.2020.112834

Fig. 5. The convergence of the approximation of the fractional derivative of polynomials when using the midpoint rule versus the Prony series for (A) α = 0.1, (B) α = 0.4 and (C) α = 0.8.

Fig. 5