High Efficient Numerical Methods for Viscous and Nonviscous Wave Problems

Table 3

The 𝐿²-norm and CPU time for all schemes.

Scheme	𝑁=25, Δ𝑡=ℎ^2		𝑁=50, Δ𝑡=ℎ^2
	𝐿^2-norm	CPU time (s)	𝐿^2-norm	CPU time (s)
PR	3.9262×10^−2	1.8125	1.0218×10^−2	23.7812
CPR	8.0830×10^−4	1.9375	5.2720×10^−5	24.8906
Dou	3.9262×10^−2	1.8281	1.0218×10^−2	23.0625
CDou	8.0830×10^−4	2.0156	5.2720×10^−5	29.0312
LOD	4.2503×10^−1	2.0508	6.5634×10^−2	25.6705