Exponentially Fitted Numerical Method for Singularly Perturbed Differential-Difference Equations

Table 1

The maximum absolute errors of Example 1 for different values of with

Present method
	1.1784e ‒ 09	7.3658e ‒ 11	1.4572e ‒ 11	4.9336e ‒ 12	1.9272e ‒ 12
	1.1796e ‒ 09	7.3727e ‒ 11	1.4279e ‒ 11	4.8657e ‒ 12	2.3070e ‒ 12
	1.1790e ‒ 09	7.3690e ‒ 11	1.4548e ‒ 11	4.5787e ‒ 12	2.5597e ‒ 12
Method in [17]
	2.1999e ‒ 03	1.1041e ‒ 03	7.3705e ‒ 04	5.5315e ‒ 04	4.4269e ‒ 04
	2.2012e ‒ 03	1.1049e ‒ 03	7.3749e ‒ 04	5.5345e ‒ 04	4.4293e ‒ 04
	2.1999e ‒ 03	1.1038e ‒ 03	7.3676e ‒ 04	7.3676e ‒ 04	4.4247e ‒ 04