Explicit Multistep Mixed Finite Element Method for RLW Equation

Table 7

Convergence order and error in 𝐿^∞ norm for 𝑢 of space with Δ𝑡=0.01 and 𝑐=0.1.

Time	ℎ=0.8	ℎ=0.4	ℎ=0.2	Order (0.4/0.8)	Order (0.2/0.4)
4	2.1763𝑒−003	5.8447𝑒−004	1.5502𝑒−004	1.8967	1.9147
8	4.7892𝑒−003	1.2098𝑒−003	3.0533𝑒−004	1.9850	1.9863
12	7.2371𝑒−003	1.7871𝑒−003	4.4434𝑒−004	2.0178	2.0079
16	9.4746𝑒−003	2.3084𝑒−003	5.7081𝑒−004	2.0372	2.0158
20	1.1534𝑒−002	2.7859𝑒−003	6.8980𝑒−004	2.0497	2.0139