Average-case Analysis of Moves in Quick Select

نویسنده

  • Hosam M. Mahmoud
چکیده

We investigate the average number of moves made by Quick Select (a variant of Quick Sort for finding order statistics) to find an element with a randomly selected rank. This kind of grand average provides smoothing over all individual cases of a specific fixed order statistic. The variance of the number of moves involves intricate dependencies, and we only give reasonably tight bounds.

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

A Rhetorical Move Analysis of TEFL Thesis Abstracts: The Case of Allameh Tabataba’i University

Abstract in every research paper has always been functioning as an attention-grabber which can encourage readers to keep reading the research or to dissuade it. Although abstracts are believed to play an important role in distributing the research findings, few studies have been done to evaluate the rhetorical organization of thesis abstracts, especially in the field of Teaching English as a Fo...

متن کامل

The Relationship between Rhetorical moves and Lexical Cohesion Patterns; the case of Introduction and Discussion sections of Local and International Research Articles

Communicative moves and lexical cohesion patterns (LCPs), as mounting evidence shows, are two important indicators in writing and publishing the RAs. However, the interaction between these two crucial elements and the contribution of this interaction to the failure or success of the RAs have not been given due attention to date. Having this in mind and based on a sound theoretical framework, at...

متن کامل

Advanced and upper-intermediate EFL learners’ reciprocity to mediation: A dynamic listening assessment

The present study aimed to capture and represent the mediator-learner’s interaction in the development of listening proficiency and statistically compare this interaction between high and low proficient English as a foreign language (EFL) learners. Thirty EFL learners participated in Oxford Quick Placemat Test (OQPT) and the Interactions/Mosaic Listening Placement (IMLP) Test to select those wh...

متن کامل

A Genre Analysis of Persian Research Article Abstracts: Communicative Moves and Author Identity

Most studies within the area of genre analysis, particularly those conducted in Iran, have exclusively used text analysis. While such investigations have led to important understandings of generic features of texts, it can be argued that incorporating interview data for triangulation can lead to better understanding of generic features of texts. Along this line, this paper reports the results o...

متن کامل

Spatial and temporal variations of air pollutants from motor vehicles using MOVES software: case study of Beheshti and Modarres boulevards in Rasht

Background and Objective: Since mobile resources are the most important sources of air pollution in the metropolis of Rasht and due to the importance of air pollution in wet weather condition in Rasht, this research was carried out in a specific area to determine the pattern governing the change in the monthly emissions of pollutants on a small scale, using the results obtained from that area. ...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2009