Difference between revisions of "CSE550 Combinatorial Algorithms/Intractability"

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*[http://www.sce.carleton.ca/faculty/chinneck/po/Chapter2.pdf Linear Programming Introduction]
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*> [http://www.sce.carleton.ca/faculty/chinneck/po/Chapter2.pdf Linear Programming Introduction]
 +
:-Unimodularity ensures that the solution to an LP will always be integer if all of the costs and constraints are also integer
 
*[http://optlab-server.sce.carleton.ca/POAnimations2007/SimplexTableau.html Linear Programming animation] (simplex method)
 
*[http://optlab-server.sce.carleton.ca/POAnimations2007/SimplexTableau.html Linear Programming animation] (simplex method)
 
*[http://www.sce.carleton.ca/faculty/chinneck/StudentOR.html List of LP solvers] (including NEOS)
 
*[http://www.sce.carleton.ca/faculty/chinneck/StudentOR.html List of LP solvers] (including NEOS)

Revision as of 02:52, 18 November 2007

-Unimodularity ensures that the solution to an LP will always be integer if all of the costs and constraints are also integer

HW 6

1. 2-SAT is in NP
2. A sub-optimal solution to TSP is a Hamiltonian Cycle.
3. 3SAT reduction to NAESAT
4. Finding disjoint paths with different path-costs: Complexity and algorithms


Midterm

Q1


Q4

Project