Sumários

TP19/4

19 Abril 2023, 20:00 Miguel Fragoso Constantino

Exercises on extended formulations


T19/4

19 Abril 2023, 18:00 Miguel Fragoso Constantino

Extended formulations.

Representing polyhedra with extreme points and extreme rays. Projection.
Extended formulations for conectivity: flow and multiflow variables.
Application to TSP and generalization to vehicle routing. Miller Tucker Zemlin  formulation. Partition formulation.


TP5/4

5 Abril 2023, 20:00 Miguel Fragoso Constantino

Exercises on valid inequalities and cutting planes


T5/4

5 Abril 2023, 18:00 Miguel Fragoso Constantino

Cutting plane algorithms. Gomory's algorithm.
Separation problem and its relation with the optimization problem.
Cover inequalities for the knapsack problem and corresponding separation problem.


TP29/3

29 Março 2023, 20:00 Miguel Fragoso Constantino

Tunning MILP software. Example Xpress Optimization