What is a permutation reordering?

Asked Dec 01 '13 at 07:42

Active Dec 01 '13 at 08:20

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Input: A sequence of $n$ numbers: $a_1,a_2,\dotsc,a_n$.

Output: A permutation reordering $(a_1',a_2',\dotsc,a_n')$ of the input sequence such as $a_1'<a_2'<\dotsb<an'$.

In the above example and in general what does permutation reordering mean?

edited Jun 12 '20 at 10:38

Community

asked Dec 01 '13 at 07:42

techno

I've never heard of a "permutation reordering". A permutation could be thought of as a sort of reordering, but this question seems a bit jumbled. – dfeuer Dec 01 '13 at 18:53

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