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Theory and Modern Applications

Table 2 Values of \(I(t)\) for four different orders of \({}^{\mathcal {CF}}\mathcal{D}_{0}^{\varrho}\)

From: A mathematical analysis of a system of Caputo–Fabrizio fractional differential equations for the anthrax disease model in animals

ϱ

t = 0

t = 3

t = 6

t = 9

t = 12

t = 15

t = 18

t = 21

t = 24

1

100

122.15

165.01

228.27

311.63

414.77

537.4

679.2

839.88

0.99

100.06

139.14

222.51

349.19

518.19

728.54

979.23

1269.3

1597.8

0.97

100.29

174.81

338.35

587.07

917.15

1324.8

1806

2357.2

2974.4

0.95

100.73

213.06

455.07

817.03

1289.2

1861.8

2525.1

3269.4

4084.9