L o g o
Iterative Improvement
Algorithm design technique for solving optimization
problems
Start with a feasible solution
Repeat the following step until no improvement can be
found:
change the current feasible solution to a feasible solution with
a better value of the objective function
Return the last feasible solution as optimal
Note: Typically, a change in a current solution is “small”
(local search)
Major difficulty: Local optimum vs. global optimum
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