Discrete Optimization on Truck-Drone Collaborative Transportation System for Delivering Medical Resources

Figure 8

Comparison of changing process of solving of different algorithms. (a) Network size: 100, requirement number: 20. (b) Network size: 100, requirement number: 60. (c) Network size: 100, requirement number: 100. (d) Network size: 400, requirement number: 20. (e) Network size: 400, requirement number: 60. (f) Network size: 400, requirement number: 100. (g) Network size: 900, requirement number: 20. (h) Network size: 900, requirement number: 60.

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