springer copernicus jul 2001 (2 risultati)

Buch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -The technique of randomization has been employed to solve numerous prob lems of computing both sequentially and in parallel. Examples of randomized algorithms that are asymptotically better than their deterministic counterparts in solving various fundamental problems abound. Randomized algorithms have the advantages of simplicity and better performance both in theory and often is a collection of articles written by renowned experts in practice. This book in the area of randomized parallel computing. A brief introduction to randomized algorithms In the analysis of algorithms, at least three different measures of performance can be used: the best case, the worst case, and the average case. Often, the average case run time of an algorithm is much smaller than the worst case. 2 For instance, the worst case run time of Hoare's quicksort is O(n ), whereas its average case run time is only O(nlogn). The average case analysis is conducted with an assumption on the input space. The assumption made to arrive at the O(n logn) average run time for quicksort is that each input permutation is equally likely. Clearly, any average case analysis is only as good as how valid the assumption made on the input space is. Randomized algorithms achieve superior performances without making any assumptions on the inputs by making coin flips within the algorithm. Any analysis done of randomized algorithms will be valid for all possible inputs.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 1052 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -This volume applies ecological principles and guidelines to understand past and current land use and land management; and more importantly, endeavors to promote more ecologically sound approaches to future land use and management decisions. The volume incorporates case studies from a wide variety of disciplines and perspectives. The case studies explore past and current land use decisions, on both public and private lands, and include practical approaches and tools for land-use decision-making. Perhaps the most important feature of the book is the linking of ecological theory and principle with applied land use decision-making - the theoretical and empirical are joined through concrete case studies of actual land use decision-making processes. In this volume, readers will find a statement of fundamental ecological principles that are relevant for land use planning and management, coupled with multiple in-depth explorations of the application of these principles in action. In addition, most case studies describe specific tools and approaches for incorporating endeavors to join fundamental ecological knowledge with cutting edge application in order to both educate and provide concrete guidance for decision-making. The intended audience is broad and multidisciplinary, from undergraduate and graduate level courses in environmental studies to professional land use planners.Springer-Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg 372 pp. Englisch.