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Advances in Continuous and Discrete Models

Theory and Modern Applications

Table 6 Distinction between the conventional derivative and the Caputo–Fabrizio fractional derivative for \(A(t)\)

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

1∗10−8

2.09∗10−4

0.0422

0.0058

5.45∗10−4

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

1∗10−8

8.51∗10−5

0.0158

0.0261

0.0026

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