第一章 线性规划 §1 线性规划 在人们的生产实践中， 经常会遇到如何利用现有资源来安排生产， 以取得最大经济 效益的问题。此类问题构成了运筹学的一个重要分支—数学规划，而线性规划(Linear Programming 简记 LP)则是数学规划的一个重要分支。自从 1947 年 G. B. Dantzig 提出 求解线性规划的单纯形方法以来， 线性规划在理论上趋向成熟， 在实用中日益广泛与深 入。 特别是在计算机能处理成千上万个约束条件和决策变量的线性规划问题之后， 线性 规划的适用领域更为广泛了，已成为现代管理中经常采用的基本方法之一。 1.1 线性规划的实例与定义 例 1 某机床厂生产甲、 乙两种机床， 每台销售后的利润分别为 4000 元与 3000 元。 生产甲机床需用 A、B 机器加工，加工时间分别为每台 2 小时和 1 小时；生产乙机床 需用 A、B、C 三种机器加工， 加工时间为每台各一小时。 若每天可用于加工的机器时 数分别为 A 机器 10 小时、 B 机器 8 小时和 C 机器 7 小时，问该厂应生产甲、乙机床各
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May 2009 ★ ★ ★ ★ ★ ESTABLISHED ★ 1973 ★ ★ ★ ★★★ International Automotive Systems - “CRM” - 2009 For the sole, internal use of Aspen Marketing Services, Inc. - Contact: Bill Ewing. Researched, compiled and published by Woods & Seaton page 123 International Automotive Systems Customer Relationships Management - “CRM” May 2009 Copyright Notice All rights reserved. This document is supplied for the sole, internal use of... Aspen Marketing Services, Inc. - Contact: Bill Ewing. No part
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THE PLAYER Good game design is player-centric. That means that above all else, the player and her desires are truly considered. Rather than demanding that she do something via the rules, the gameplay itself should inherently motivate the player in the direction the designer wants her to go. Telling players they must travel around the board or advance to the next level is one thing. If they don’t have a reason and a desire to do it, then it becomes torture. In creating a game, designers take
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This page intentionally left blank Copyright © 2008, New Age International (P) Ltd., Publishers Published by New Age International (P) Ltd., Publishers All rights reserved. No part of this ebook may be reproduced in any form, by photostat, microfilm, xerography, or any other means, or incorporated into any information retrieval system, electronic or mechanical, without the written permission of the publisher. All inquiries should be emailed to rights@newagepublishers.com ISBN (13) : 978-81-224-2622-9
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MASTERPLAN ACCELERATION AND EXPANSION OF INDONESIA ECONOMIC DEVELOPMENT 2011-2025 R EPUBLIC OF I ND ON ES IA Doc. Wijaya Karya Masterplan for Acceleration and Expansion of Indonesia Economic Development © Copyright Coordinating Ministry For Economic Affairs, Republic of Indonesia Published by Editor Design by : Coordinating Ministry For Economic Affairs : Deputy Minister for Coordinating Infrastructure and Regional Development, Coordinating Ministry For Economic Affairs : IndoPacific
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IRWIN PHILOSOPHY/POP CULTURE S E R I E S R Can drugs take us down the rabbit-hole? R Is Alice a feminist icon? curiouser To learn more about the Blackwell Philosophy and Pop Culture series, visit www.andphilosophy.com and WILLIAM IRWIN is a professor of philosophy at King’s College in Wilkes-Barre, Pennsylvania. He originated the philosophy and popular culture genre of books as coeditor of the bestselling The Simpsons and Philosophy and has overseen recent titles,
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Learning Objectives After completing this chapter, you will be able to: 1. Define operating system. 2. Define enhancements. 3. Explain the function and purpose of OS version numbers. 4. List some of the types of system configurations. 5. Explain the need and procedure for booting the system. 6. Explain the function of disk files. 7. Explain the function of and rules for file specifications. 8. List and explain the importance of the two types of computer files. 9. Describe the function and purpose
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C h a p t e r 1 Prewriting GETTING STARTED (OR SOUP-CAN LABELS CAN BE FASCINATING) For many writers, getting started is the hardest part. You may have noticed that when it is time to begin a writing assignment, you suddenly develop an enormous desire to straighten your books, water your plants, or sharpen your pencils for the fifth time. If this situation sounds familiar, you may find it reassuring to know that many professionals undergo these same strange compulsions before they begin
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LSRC reference Learning styles and pedagogy in post-16 learning A systematic and critical review This report critically reviews the literature on learning styles and examines in detail 13 of the most influential models. The report concludes that it matters fundamentally which instrument is chosen. The implications for teaching and learning in post-16 learning are serious and should be of concern to learners, teachers and trainers, managers, researchers and inspectors. Learning styles and
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VOICE, VIDEO, AND DATA NETWORK CONVERGENCE VOICE, VIDEO, AND DATA NETWORK CONVERGENCE ARCHITECTURE AND DESIGN, FROM VOIP TO WIRELESS JUANITA ELLIS CHARLES PURSELL JOY RAHMAN Amsterdam Boston London New York Oxford San Francisco Singapore Sydney Tokyo Paris San Diego This book is printed on acid-free paper. Copyright 2003, Elsevier Science (USA). All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic
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