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单词 odd permutation
释义

WordReference Random House Unabridged Dictionary of American English © 2024
odd permutation, [Math.]
  1. Mathematicsa permutation of a set of n elements, x1, x2, …, xn, which permutes the product of all differences of the form (xixj), where i is less than j, into the negative of the product. Cf. even permutation. 
  • 1925–30

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更新时间:2025/7/23 16:42:16