Naming Conventions¶
Variable Symbols¶
| Paper | Code | Gurobi Name | Description |
|---|---|---|---|
| \(x_{ik}\) | x[i,k] |
"x" |
Hub allocation (binary) |
| \(c_{ij}\) | c[i,j] |
"c" |
Transport cost between nodes |
| \(w_{ij}\) | w[i,j] |
"w" |
Demand weight between nodes |
Data Columns¶
| Identifier | Paper | Description |
|---|---|---|
DataCol.X |
— | X-coordinate of a node |
DataCol.Y |
— | Y-coordinate of a node |
DataCol.NODE_ID |
— | Unique node identifier |
DataCol.START_NODE |
\(i\) | Origin node in a route |
DataCol.END_NODE |
\(j\) | Destination node in a route |
DataCol.COST_NODE_TO_NODE |
\(c_{ij}\) | Transport cost between two nodes |
DataCol.WEIGHTS_NODE_TO_NODE |
\(w_{ij}\) | Demand weight between two nodes |
Datasets¶
| Identifier | File | Nodes |
|---|---|---|
Dataset.CAB25 |
cab25.txt |
25 |
Dataset.CAB100 |
cab100.txt |
100 |