Research on Improved NSGA-II Algorithm and Its Application in Emergency Management

Figure 3

The box chart of generation distance for test functions.

(a) ZDT1-30-gd

(b) ZDT 2–30-gd

(c) DTLZ2-30-gd

(d) ZDT 1–100-gd

(e) ZDT 2–100-gd

(f) DTLZ2-100-gd