منابع مشابه
Optimization with More than One Budget
A natural way to deal with multiple, partially conflicting objectives is turning all the objectives but one into budget constraints. Some classical polynomial-time optimization problems, such as spanning tree and forest, shortest path, (perfect) matching, independent set (basis) in a matroid or in the intersection of two matroids, become NP-hard even with one budget constraint. Still, for most ...
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John Abelson Frederick W. Alt Don L. Anderson Michael Ashburner Stephen J. Benkovic David E. Bloom Floyd E. Bloom Piet Borst Michael S. Brown Henry R. Bourne James J. Bull Kathryn Calame C. Thomas Caskey Dennis W. Choi John M. Coffin Paul J. Crutzen Robert Desimone Nicole Le Douarin Bruce F. Eldridge Paul T. Englund Richard G. Fairbanks Douglas T. Fearon Harry A. Fozzard K. Friedrich Theodore H...
متن کاملMore Filter Design on a Budget
This document describes filter design from the standpoint of cost. Filter design techniques that require the fewest possible op amps and passive components are described. Six types of filters are described—low pass, high pass, narrow bandpass, wide bandpass, notch, and band reject. Table Of
متن کاملLess is more… (more or less…).
In April 1981 Xerox introduced the Star 8010 workstation, the first commercial system with a Graphical User Interface (GUI) and the first to use the “desktop” metaphor to organize a user’s interactions with the computer. Despite the perception of huge progress, from the perspective of design and usage models, there has been precious little progress in the intervening years. In the tradition of ...
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ژورنال
عنوان ژورنال: Environmental Science & Technology
سال: 2004
ISSN: 0013-936X,1520-5851
DOI: 10.1021/es040417v