The Higher Accuracy Fourth-Order IADE Algorithm

Table 6

Experiment 1. 𝑚=7000, 𝜆=0.5, Δ𝑥=1.43×10⁻⁴, Δ𝑡=1.02×10⁻⁸, 𝑡=5.10×10⁻⁷, and 𝜀=10⁻¹⁰.

Method	AAE	RMSE	ME	n	ET (s)
IADEMF4; (𝑟=0.8)	3.67𝑒−10	4.33𝑒−10	3.66𝑒−9	173	1.46𝑒−1
IADEMF2; (𝑟=0.5)	3.75𝑒−10	4.35𝑒−10	3.76𝑒−9	200	1.24𝑒−1
SOR4; (𝜔=1.12)	4.55𝑒−10	5.07𝑒−10	3.67𝑒−9	257	1.47𝑒−1
GS4	1.10𝑒−9	1.11𝑒−9	3.76𝑒−9	300	1.60𝑒−1
JAC4	2.30𝑒−9	2.31𝑒−9	3.78𝑒−9	400	1.63𝑒−1