Parameter

Average solution cost

CPU time

N1 = remove-insert within route

< 0.05

< 0.05

N2 = remove-insert (considering healthy feature)

< 0.05

< 0.05

N3 = Similar school removal

> 0.05

< 0.05

N4 = convert single to mixed load

< 0.05

< 0.05

N5 = convert mixed load to single load

> 0.05

< 0.05

N6 = replace

< 0.05

< 0.05

N7 = remove

< 0.05

< 0.05

N8 = 2-opt

< 0.05

< 0.05

α

< 0.05

> 0.05

q_min

< 0.05

< 0.05

q_max

< 0.05

< 0.05

e_min

< 0.05

< 0.05

e_max

< 0.05

< 0.05

g

< 0.05

> 0.05

nit

< 0.05

< 0.05