Exponential Collocation Method for Solutions of Singularly Perturbed Delay Differential Equations

Figure 1

For 𝛿=0.5𝜀 and various values of 𝑁 and 𝑀 of (38),    (a) graph of the approximate solutions for 𝜀=2⁻⁶, (b) graph of the approximate solutions for 𝜀=2⁻⁸, and (c) graph of the approximate solutions for 𝜀=2⁻¹¹.

(a)

(b)

(c)