Research Article

Approximate Solutions of Delay Differential Equations with Constant and Variable Coefficients by the Enhanced Multistage Homotopy Perturbation Method

Table 2

CPU time comparison among the approximate solutions of (46) by using dde23, the zeroth order, and the first order EMHPM solutions.

Solution methodTime [ms]

dde23 139
Zeroth order EMHPM ( = 7)77
First order EMHPM ( = 7)87