From: Numerical solution of diffusive HBV model in a fractional medium
N
N = 64
N = 128
N = 256
N = 512
RK4
ETDRK4
1.960e−06
1.6391e−08
4.9539e−06
2.0899e−08
7.5637e−06
2.9017e−08
1.5528e−05
4.7984e−08
Ratio
72.9669
237.0400
260.6644
323.6079