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Ground transport

Description
Problem name and type, featuresDifficultyRelated examples
E‑1 Car rental: Transport problem *** transport_graph.mos
data preprocessing, set operations, sqrt and ^2, if-then-elif
E‑2 Choosing the mode of transport: Minimum cost flow ** mincostflow_graph.mos
formulation with extra nodes for modes of transport; encoding of arcs, finalize, union of sets, nodes labeled with strings
E‑3 Depot location: Facility location problem *** facilityloc_graph.mos
modeling flows as fractions, definition of model cuts
E‑4 Heating oil delivery: Vehicle routing problem (VRP) **** vrp_graph.mos
elimination of inadmissible subtours, cuts; selection with `|', definition of model cuts
E‑5 Combining different modes of transport ***
modeling implications, weak and strong formulation of bounding constraints; triple indices
E‑6 Fleet planning for vans ***
maxlist, minlist, max, min


Further explanation of this example: 'Applications of optimization with Xpress-MP', Chapter 10: Ground transport

mosel_app_5.zip[download all files]

Source Files
By clicking on a file name, a preview is opened at the bottom of this page.
e1carrent.mos[download]
e2minflow.mos[download]
e3depot.mos[download]
e4deliver.mos[download]
e5combine.mos[download]
e6vanrent.mos[download]

Data Files
e1carrent.dat[download]
e2minflow.dat[download]
e3depot.dat[download]
e4deliver.dat[download]
e5combine.dat[download]
e6vanrent.dat[download]




e6vanrent.dat

! Data file for `e6vanrent.mos'

REQ: [430 410 440 390 425 450]

COST: [1700 2200 2600]

NINIT: 200

NAMES: ["Jan" "Feb" "Mar" "Apr" "May" "Jun"]
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