lecture18 - IE426: Optimization Models and Applications:...

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Unformatted text preview: IE426: Optimization Models and Applications: Lecture 18 Jeff Linderoth Department of Industrial and Systems Engineering Lehigh University November 2, 2006 Jeff Linderoth IE426:Lecture 18 Stuff Weve Learned Goal Programming Weighted Goal Programming Hierarchical Goal Programming Solving Integer Programs Relaxations Branch and Bound Solving a knapsack problem with branch and bound Performance guarantees from branch-and-bound Jeff Linderoth IE426:Lecture 18 Other Stuff Weve Learned Modeling Discrete decisions (all-or-nothing) Fixed charge x > = 1 x M , Variable Upper Bound min-level = 1 x m x m , Variable Lower Bound Jeff Linderoth IE426:Lecture 18 Still More Stuff Weve Learned The Trix Modeling Logical Implications (if A then B, either A or B) At most k out of n constraints holding At least k out of n constraints holding Jeff Linderoth IE426:Lecture 18 Wow Even More Stuff Weve learned Problem Classes Knapsack Problem Traveling Salesperson Problem...
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This note was uploaded on 02/29/2008 for the course IE 426 taught by Professor Linderoth during the Spring '08 term at Lehigh University .

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lecture18 - IE426: Optimization Models and Applications:...

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