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

Figure 4

The box chart of sp for test functions.

(a) ZDT1-30-sp

(b) ZDT 2–30-sp

(c) DTLZ2-30-sp

(d) ZDT 1–100-sp

(e) ZDT 2–100-sp

(f) DTLZ2-100-sp