Solution of Singularly Perturbed Differential-Difference Equations with Mixed Shifts Using Galerkin Method with Exponential Fitting

Table 4

The maximum errors in solution of Example 3 with .

Present method
δ↓
0.00	0.031377538	0.001800241	0.000112071	7.0036e − 006
0.05	0.029748010	0.001700026	0.000105418	6.5860e − 006
0.09	0.028294285	0.001611053	9.9793e − 005	6.2344e − 006
η↓
0.00	0.027910529	0.001587651	9.8361e − 005	6.1442e − 006
0.05	0.029748010	0.001700026	0.000105418	6.5860e − 006
0.09	0.031068500	0.001781207	0.000110800	6.9223e − 006
Results in Kadalbajoo and Sharma [10]
δ↓
0.00	0.09930002	0.03685072	0.01331683	0.00342882
0.05	0.09997296	0.03218424	0.01167102	0.00299572
0.09	0.10044578	0.02850398	0.01038902	0.00266379
η↓
0.00	0.10055269	0.02759534	0.01007834	0.00258299
0.05	0.09997296	0.03218424	0.01167102	0.00299572
0.09	0.09944067	0.03591410	0.01297367	0.00334044