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Advances in Continuous and Discrete Models

Theory and Modern Applications

Table 4 Distinction between the conventional derivative and the Caputo–Fabrizio fractional derivative for \(I(t)\)

From: Dynamical analysis of a novel fractional order SIDARTHE epidemic model of COVID-19 with the Caputo–Fabrizio(CF) derivative

t

0

20

40

60

80

ode45

2∗10−6

0.0012

0.1620

0.0113

0.0015

\({}^{CF}D^{\delta} (\delta =0.8)\)

2∗10−6

4.95∗10−4

0.0817

0.0592

0.0055

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