不同采样策略下排序过程的性能分析

Mahmoud Ragab
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引用次数: 0

摘要

在运筹学、计算机科学和许多其他应用中,数据排序是最重要的问题之一,在许多应用中起着重要的作用。许多排序算法都得到了很好的研究,但问题不是找到一种排序元素的方法或算法,而是找到一种有效的方法来排序元素并完成这项工作。输出是一个及时的数据流,它是一个排序的数据数组。我们对这种数据流感兴趣,是为了建立一种智能技术来对元素进行排序,以及提高效率。对于这类算法的性能,对其随机行为和存在性、收敛性等数学性质的研究很少。本文研究了不同版本的排序算法在输入量非常大的情况下的数学行为。本文还从比较和交换次数的角度讨论了使用一些不同策略的相应运行时间。在这里,我们用一种很好的方法通过加权分支过程来证明部分排序过程的存在性。这种方法的灵感来自于在标准情况下用于分析Quickselect和Quichsort的方法,其中Cadlag空间上的不动点方程首次被考虑。
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Performance Analysis of Sorting Process with Different Sampling Strategies
Sorting data is one of the most important problems that play an important rule in many applications in operations research, computer science and many other applications. Many sorting algorithms are well studied but the problem is not to find a way or algorithm to sort elements, but to find an efficiently way to sort elements and do the job. The output is a stream of data in time and it is a sorted data array. We are interested in this flow of data to estaplish a smart technique to sort elements as well as efficient complexity. For the performance of such algorithms, there has been little research on their stochastic behavior and mathematical properties such existance and convergence properties. In this paper we study the mathematical behavior of some different versions sorting algorithms in the case when the size of the input is very large. This work also discuss the corresponding running time using some different strategies in terms of number of comparisons and swaps. Here, we use a nice approach to show the existence of partial sorting process via the weighted branching process. This approach was inspired by the methods used for the analysis of Quickselect and Quichsort in the standard cases, where fixed point equations on the Cadlag space were considered for the first time.
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