Milk Collection: How to Route and Assign Milk Collection Lorries to Farms

Index Sets and Their Members

The following index sets and their members are used in this example:

  • $i,j \in \mr{NODES}$

  • $(i,j) \in \mr{EDGES}$

  • $d \in \mr{DAYS}$

  • $i,j \in \mr{NODES\_ TEMP}$

  • $(i,j) \in $ EDGES_SOL[iter,d]

  • $c_ i,c_ j \in \mr{COMPONENT\_ IDS}$

  • $k \in \mr{COMPONENT[ci]}$

  • $k \in \mr{SUBTOUR[s]}$