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Advances in Continuous and Discrete Models

Theory and Modern Applications

Table 7 Distinction between the conventional derivative and the Caputo–Fabrizio fractional derivative for \(R(t)\)

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∗10−8

3.56∗10−4

0.1246

0.3157

0.1611

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

2∗10−8

1.44∗10−4

0.0311

0.3153

0.2652

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