Exact and Heuristic Solutions to Minimize Total Waiting Time in the Blood Products Distribution Problem

Figure 2

Two permutations of visiting hospitals of Figure 1(b). Note that the permutation presented in (b) has a worse objective function than the one in (a).

(a) A route of visiting 15 hospitals (Figure 1(b)). Here, the direction of the route is from left to right

(b) A route of visiting 15 hospitals (Figure 1(b)) where the direction of the route is from right to left