Lecture15 - Integer Programming IE418 Lecture 15 Dr. Ted...

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Unformatted text preview: Integer Programming IE418 Lecture 15 Dr. Ted Ralphs IE418 Lecture 15 1 Reading for This Lecture • Linderoth and Savelsbergh (1991) • Savelsbergh (1994) • Martin (2001) IE418 Lecture 15 2 Putting it All Together: Search Strategies • In the last lecture, we discussed how to branch , i.e., divide the feasible region of a subproblem into two pieces. • After branching, we still have to face the question of what node to process next. • The strategy for deciding what node to work on next is called the search strategy . • In choosing a search strategy, we might consider our goal: – Minimize the time required to find a provably optimal solution. – Find the best possible solution in a limited amount of time. • In practice, we may want some of each. IE418 Lecture 15 3 Basic Strategies: Best First • A reasonable approach to minimizing overall solution time is to try to minimize the size of the search tree....
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This note was uploaded on 08/06/2008 for the course IE 418 taught by Professor Ralphs during the Spring '08 term at Lehigh University .

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Lecture15 - Integer Programming IE418 Lecture 15 Dr. Ted...

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