Two Energy Conserving Numerical Schemes for the Klein-Gordon-Zakharov Equations

Table 3

Error comparison for Scheme A and scheme in [6] with 𝜃=0.5 at time 𝑇=5.

Spatial step size	Time step size	Scheme A		Scheme in [6]
		𝑒(ℎ,𝜏)×10^2	𝜂(ℎ, 𝜏)×10^2	𝑒(ℎ, 𝜏)×10^2	𝜂(ℎ, 𝜏)×10^2
ℎ=0.1	𝜏=0.05	1.3527	3.8829	1.6527	5.5376
	𝜏=0.025	0.4430	1.2845	1.1721	3.6144
ℎ=0.05	𝜏=0.025	0.3390	0.9655	0.4148	1.3785
	𝜏=0.0125	0.1096	0.3189	0.2960	0.9170
ℎ=0.025	𝜏=0.0125	0.0849	0.2428	0.1081	0.3728