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

Table 2

The maximum errors in solution of Example 1 with .

Present method
δ↓
0.00	0.03724038	0.00231155	0.00014202	8.8820e − 006
0.05	0.03707062	0.00237565	0.00014565	9.0928e − 006
0.09	0.03669100	0.00241210	0.00014764	9.2248e − 006
η↓
0.00	0.03720017	0.00234619	0.00014399	8.9938e − 006
0.05	0.03707062	0.00237565	0.00014565	9.0928e − 006
0.09	0.03690625	0.00239551	0.00014675	9.1626e − 006
Results in Kadalbajoo and Sharma [10]
δ↓
0.00	0.09190267	0.03453494	0.01164358	0.00300463
0.05	0.10233615	0.03823132	0.01295871	0.00335137
0.09	0.11018870	0.04110846	0.01400144	0.00362925
η↓
0.00	0.09720079	0.03640446	0.01229476	0.00317786
0.05	0.10233615	0.03823132	0.01295871	0.00335137
0.09	0.10632014	0.03965833	0.01348348	0.00349050