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

Table 7

The rate of convergence of the examples with and .

ε↓
Example 1
	0.6418	0.9120	1.4357	2.0237	2.0640
	0.7098	0.8977	1.0114	0.9513	1.0139
	0.6862	0.8536	0.9180	0.9723	1.0138
	0.6839	0.8494	0.9095	0.9553	0.9791
	0.6836	0.8489	0.9087	0.9536	0.9758
Example 2
	1.1839	1.5399	1.3633	1.9110	2.0782
	0.9112	0.9873	1.0700	1.2109	1.4852
	0.8898	0.9434	0.9772	1.0024	1.0301
	0.8877	0.9392	0.9688	0.9854	0.9954
	0.8875	0.9388	0.9680	0.9837	0.9920
Example 3
	1.1839	1.5398	1.3633	1.9112	2.0779
	0.9112	0.9872	1.0700	1.2109	1.4853
	0.8898	0.9433	0.9771	1.0024	1.0300
	0.8877	0.9391	0.9688	0.9854	0.9954
	0.8875	0.9387	0.9679	0.9837	0.9920
Example 4
	0.8278	1.3622	1.9692	2.0738	2.0183
	0.7007	0.8204	0.8989	1.0015	1.3527
	0.7004	0.8208	0.8992	0.9458	0.9712
	0.7004	0.8209	0.8994	0.9461	0.9720
	0.7004	0.8209	0.8994	0.9461	0.9718