A Reliable Analytical Method for Solving Higher-Order Initial Value Problems

Figure 3

Plots of error functions for (36) and (37); blue: 𝑘=5; brown: 𝑘=10; green: 𝑘=15; red: 𝑘=20: (a) Ext^𝑘(𝑡); (b) Res^𝑘(𝑡).

(a)

(b)