Exponential Collocation Method for Solutions of Singularly Perturbed Delay Differential Equations

Figure 2

Graphs of the approximate solutions of (40), (a) for 𝜀=2⁻⁵, 𝛿=0.5𝜀, and various values of 𝑁 and 𝑀, (b) for 𝜀=2⁻⁷, 𝛿=0.5𝜀, and various values of 𝑁 and 𝑀, (c) for 𝜀=2⁻¹⁰, 𝛿=0.5𝜀, and various values of 𝑁 and 𝑀, and (d) for 𝜀=2⁻⁵,2⁻⁷,2⁻¹⁰, and 2⁻¹¹, 𝛿=0.5𝜀, 𝑁=16, and 𝑀=19.

(a)

(b)

(c)

(d)