Explicit Multistep Mixed Finite Element Method for RLW Equation

Table 5

Convergence order and error in 𝐿^∞ norm for 𝑞 of time with ℎ=0.125 and 𝑐=0.1.

Time	Δ𝑡=0.4	Δ𝑡=0.2	Δ𝑡=0.1	Order (0.2/0.4)	Order (0.1/0.2)
4	1.1595𝑒−004	2.7265𝑒−005	6.3127𝑒−006	2.0884	2.1107
8	1.9712𝑒−004	4.6625𝑒−005	1.0725𝑒−005	2.0799	2.1201
12	2.5295𝑒−004	5.9837𝑒−005	1.3579𝑒−005	2.0797	2.1397
16	2.9012𝑒−004	6.8641𝑒−005	1.5594𝑒−005	2.0795	2.1381
20	3.1768𝑒−004	7.5864𝑒−005	1.7195𝑒−005	2.0661	2.1414