Recent Developments on Operator-Difference Schemes for Solving Nonlocal BVPs for the Wave Equation

Table 5

Comparison of errors (𝐸₂) for approximate solutions.

Method	20	30	40	50	60	70	80	90	100
FO	0.6565	0.4204	0.3075	0.2419	0.1992	0.1692	0.1470	0.1300	0.1165
SO1	0.1437	0.0646	0.0365	0.0234	0.0163	0.0120	0.0092	0.0073	0.0059
SO2	0.1724	0.0550	0.0292	0.0186	0.0129	0.0095	0.0073	0.0058	0.0047