IBM ILOG Solver User's Manual > Evolutionary Algorithms > Using More Advanced EA Features > Using listeners and comparators > Review Exercises

Review Exercises

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  1. Add an element to the lexicographical comparator so that preferred operators are ones with maximal improvement/invocation ratio, then maximum improvements, then minimum invocations. You will need to create a new comparator for the ratio and adjust the definition of the lexicographical comparator.
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