Exponentially Fitted Numerical Method for Singularly Perturbed Differential-Difference Equations

Table 2

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

Present method
	4.5775e ‒ 06	2.8651e ‒ 07	1.7913e ‒ 08	1.1197e ‒ 09	6.9995e ‒ 11
	1.6246e ‒ 05	1.0190e ‒ 06	6.3830e ‒ 08	3.9901e ‒ 09	2.4940e ‒ 10
	5.9281e ‒ 05	3.7757e ‒ 06	2.3632e ‒ 07	1.4791e ‒ 08	9.2453e ‒ 10
	2.2949e ‒ 04	1.4731e ‒ 05	9.2549e ‒ 07	5.7989e ‒ 08	3.6250e ‒ 09
	9.1215e ‒ 04	5.8144e ‒ 05	3.6824e ‒ 06	2.3104e ‒ 07	1.4448e ‒ 08
	3.5308e ‒ 03	2.2815e ‒ 04	1.4669e ‒ 05	9.2088e ‒ 07	5.7724e ‒ 08
	1.1709e ‒ 02	9.1043e ‒ 04	5.8034e ‒ 05	3.6736e ‒ 06	2.3055e ‒ 07
Method in [17]
	1.8632e ‒ 02	9.6189e ‒ 03	4.8865e ‒ 03	2.4643e ‒ 03	1.2376e ‒ 03
	2.8161e ‒ 02	1.4818e ‒ 02	7.6255e ‒ 03	3.8713e ‒ 03	1.9509e ‒ 03
	3.7958e ‒ 02	2.0967e ‒ 02	1.0977e ‒ 02	5.6273e ‒ 03	2.8498e ‒ 03
	5.0640e ‒ 02	2.8316e ‒ 02	1.5267e ‒ 02	7.9105e ‒ 03	4.0287e ‒ 03
	6.3580e ‒ 02	3.7706e ‒ 02	2.0984e ‒ 02	1.1012e ‒ 02	5.6555e ‒ 03
	8.3843e ‒ 02	5.0477e ‒ 02	2.8297e ‒ 02	1.5261e ‒ 02	7.9111e ‒ 03
	9.9137e ‒ 02	6.3529e ‒ 02	3.7660e ‒ 02	2.0974e ‒ 02	1.1011e ‒ 02