Higher-Order Uniformly Convergent Numerical Scheme for Singularly Perturbed Differential Difference Equations with Mixed Small Shifts

Table 9

Example 3: comparison of maximum absolute error of proposed scheme and result in [15] for .

	8	16	32	64	128	256
Proposed scheme
	3.0589e − 02	9.4725e − 03	2.5187e − 03	6.3989e − 04	1.6062e − 04	3.9001e − 05
	3.0589e − 02	9.4725e − 03	2.5187e − 03	6.3989e − 04	1.6062e − 04	3.9001e − 05
	3.0589e − 02	9.4725e − 03	2.5187e − 03	6.3989e − 04	1.6062e − 04	3.9001e − 05
Result in [15]
	0.10207612	0.06281638	0.03556178	0.01906740	0.00989895	0.00504914
	0.10210236	0.06283382	0.03557070	0.01907016	0.00989794	0.00504604
	0.10210499	0.06283557	0.03557159	0.01907044	0.00989798	0.00504673