A Two-Stage Offline-to-Online Multiobjective Optimization Strategy for Ship Integrated Energy System Economical/ Environmental Scheduling Problem

Table 3

Average number of feasible solutions by the four methods.

Cases	Method 1	Method 2	Method 3	Method 4
Case 1	47.8	42.0	28.2	21.3
Case 2	45.3	32.5	15.1	9.8