Adaptive Optimal 𝑚-Stage Runge-Kutta Methods for Solving Reaction-Diffusion-Chemotaxis Systems

Table 4

Comparison of CPU time among the optimal two-stage RK, RKF 23, and standard two-stage RK with Δ𝑡=0.001.

CPU/Time	10	20	30	40	50
Optimal two-stage RK	0.5940	1.8430	3.7960	6.4690	9.7820
RKF 23	1.3910	3.9060	7.4530	12.0620	17.6090
Std two-stage RK	0.9840	3.5310	Div	Div	Div