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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. 7.

Fig. 7

The absolute value of the residuals from the Prony series approximation of the fractional differential equation example Eq. (50) shown in color with α = 0.5, Δ t = 1/2500, Δ x = 1/2500, and (A) 3, (B) 6, (C) 9, or (D) 12 Prony terms in the approximation. (For interpretation of the references to color in this figure legend, the reader is referred to the web version of this article.)