Exponential Collocation Method for Solutions of Singularly Perturbed Delay Differential Equations

Table 1

Estimated maximum absolute errors for various values of 𝜀=2𝛿, 𝑁, and 𝑀 of (38).

𝜀	Estimated absolute errors
	𝑒^𝜀3,8	𝑒^𝜀5,10𝑒5,10	𝑒^𝜀8,12	𝑒^𝜀11,16	𝑒^𝜀14,19	𝑒^𝜀20,22
2^−6	5.7489𝑒−002	5.4037𝑒−002	3.1683𝑒−002	2.2311𝑒−001	5.1323𝑒−002	8.3183𝑒−002
2^−7	5.6434𝑒−002	5.6931𝑒−002	3.2954𝑒−002	2.4047𝑒−001	4.8550𝑒−002	9.8938𝑒−002
2^−8	5.5986𝑒−002	5.8328𝑒−002	3.3947𝑒−002	2.5350𝑒−001	6.1626𝑒−002	1.4590𝑒−001
2^−9	5.5792𝑒−002	5.8965𝑒−002	3.4384𝑒−002	2.5973𝑒−001	4.5761𝑒−002	2.1930𝑒−001
2^−10	5.5703𝑒−002	5.9264𝑒−002	3.4579𝑒−002	2.6261𝑒−001	7.3528𝑒−002	2.4933𝑒−001
2^−11	5.5661𝑒−002	5.9409𝑒−002	3.4670𝑒−002	2.6405𝑒−001	4.4186𝑒−002	1.9391𝑒−001
2^−12	5.5641𝑒−002	5.9480𝑒−002	3.4714𝑒−002	2.6472𝑒−001	5.6664𝑒−002	2.1338𝑒−001