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Selection algorithm - Wikipedia, the free encyclopedia
In computer science , a selection algorithm is an algorithm for finding the k th smallest number in a list (such a number is called the k th order statistic ). This includes the cases of finding the minimum , maximum , and median elements. There are , worst-case linear time, selection algorithms. Selection is a subproblem of more complex problems like the nearest neighbor problem and shortest path problems. The term "selection" is used in other contexts in computer science, including the stage of a genetic algorithm in which genomes are chosen from a population for later breeding; see Selection (genetic algorithm) .
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