Exponentially Fitted Numerical Method for Singularly Perturbed Differential-Difference Equations

Table 4

The maximum absolute errors of Example 2 for different values of with

Present method
	3.0267e ‒ 05	1.9031e ‒ 06	1.1950e ‒ 07	7.4728e ‒ 09	4.6725e ‒ 10
	1.1987e ‒ 04	7.8382e ‒ 06	4.9134e ‒ 07	3.0732e ‒ 08	1.9223e ‒ 09
	4.9863e ‒ 04	3.1795e ‒ 05	1.9986e ‒ 06	1.2579e ‒ 07	7.8649e ‒ 09
	1.9386e ‒ 03	1.2530e ‒ 04	8.1293e ‒ 06	5.0955e ‒ 07	3.1919e ‒ 08
	6.4424e ‒ 03	5.1006e ‒ 04	3.2516e ‒ 05	2.0492e ‒ 06	1.2889e ‒ 07
	1.7543e ‒ 02	1.9764e ‒ 03	1.2772e ‒ 04	8.2523e ‒ 06	5.1725e ‒ 07
	3.8002e ‒ 02	6.5572e ‒ 03	5.1492e ‒ 04	3.2824e ‒ 05	2.0727e ‒ 06
Method in [17]
	2.1118e ‒ 02	1.1692e ‒ 02	6.1941e ‒ 03	3.1887e ‒ 03	1.6178e ‒ 03
	2.7872e ‒ 02	1.6023e ‒ 02	8.6367e ‒ 03	4.4957e ‒ 03	2.2948e ‒ 03
	3.5711e ‒ 02	2.1293e ‒ 02	1.1869e ‒ 02	6.2731e ‒ 03	3.2240e ‒ 03
	4.6679e ‒ 02	2.8350e ‒ 02	1.6107e ‒ 02	8.6728e ‒ 03	4.5120e ‒ 03
	5.4895e ‒ 02	3.6018e ‒ 02	2.1373e ‒ 02	1.1929e ‒ 02	6.2847e ‒ 03
	5.7371e ‒ 02	4.7254e ‒ 02	2.8581e ‒ 02	1.6140e ‒ 02	8.6961e ‒ 03
	5.7878e ‒ 02	5.5695e ‒ 02	3.6153e ‒ 02	2.1406e ‒ 02	1.1956e ‒ 02