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    題名: Presorting algorithms : An average-case point of view
    其他題名: 排序演算法之先期處理: 以平均情形的觀點
    作者: 黃顯貴;Hwang, Hsien-kwei;楊柏因;Yang, Bo-yin;葉永南;Yeh, Yeong-nan
    貢獻者: 淡江大學數學學系
    關鍵詞: Presorting;Measure of presortedness (mop)
    日期: 2000-07-06
    上傳時間: 2010-01-28 07:50:05 (UTC+8)
    出版者: Elsevier
    摘要: We introduce the concept of presorting algorithms, quantifying and evaluating the performance of such algorithms with the average reduction in number of inversions. Stages of well-known algorithms such as Shellsort and quicksort are evaluated in such a framework and shown to cause a meaning drop in the inversion statistic. The expected value, variance and generating function for the decrease in number of inversions are computed. The possibility of “presorting” a sorting algorithm is also investigated under a similar framework.
    關聯: Theoretical Computer Science 242(1-2), pp.29-40
    DOI: 10.1016/S0304-3975(98)00181-9
    顯示於類別:[數學學系暨研究所] 期刊論文

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