本书共分八章，主要阐述了变分原理，即自然界静止（相对稳定状态）事物中的一个普遍适应的数学定律，也称最小作用定理，是物理学中的一条基本原理。书中内容包括变分法的表达方式、变分法的一些技巧、勒让德变换。在经典力部分，论述了拉格朗日形式导出哈密顿形式、哈密尔顿运动方程、正则变换方程、运动方程、曲面定义、测地线的法向性质、第二基本形式和点为脐点的紧凑表面。本书由浅入深，逻辑严谨，适合高等院校师生及相关专业研究者和爱好者参考阅读。

本书基于作者长年的实践、培训、咨询经验，基本按照PMBOK的流程与知识领域，为项目经理提供了项目管理中可使用的工具、建议、诀窍、案例，并说明了如何、何时、在哪里使用这些工具。书中既介绍了传统的项目管理工具，也介绍了一套能反映实践变化的现代项目管理工具，同时增加了小贴士、小技巧及案例介绍，加深了读者的理解。本书是项目经理一本综合、实用、放在案头时时翻看的工具书。

智能产品、穿戴设备、3D打印的出现，整个IT行业又开始了新一轮的冲击，软、硬结合符合现在行业需求。本书通过开源系统OpenWrt和Arduino，以及WiFi、NRF24I01（Zigbee/350/433/蓝牙等）无线模块，实现家居网关、电灯开关、无线插座、远程开门、窗帘开闭、红外摇控、温度调控、空气质量、烟雾火警、水滴检测、安防报警、WiFi摄像头、语音控制、Android客户端、3D打印产品的实战演示，任何个人、公司、机构都可以进行二次开发。

本书旨在介绍优选的托卡马克稳定性理论，从求导的格拉多—沙弗拉诺夫方程和各种环形通量坐标的构造开始讲起，用解析托卡马克平衡理论证明了沙弗拉诺夫位移以及环形箍力是如何通过托卡马克的垂直磁场应用被平衡的，还介绍了各种托卡马克约束模式的原理分类，如低约束模式、高约束模式和改进之后的能量约束模式等内容。本书的最后还讨论了各种核心和边缘稳定性（运输现象）的物理解释，如输运垒、非局域输运、边缘局域模式、团迹输运和边缘谐波振荡。

The bestselling, comprehensive reference on Photoshop, fully updated to CS5. Photoshop is the gold standard for image-editing programs and is used by professional photographers, graphic designers, and Web designers as well as hobbyists. More than 300,000 copies of this comprehensive reference have been sold in previous this edition is fully updated to cover Photoshop CS5's newest features and includes a 16-page full-color insert. Photoshop is the industry standard for image-editing software used in both print and digital media, with more than four million users worldwide This comprehensive guide covers beginning to advanced techniques, from learning your way around the windows and tools to working with Camera Raw images Covers retouching, color correcting, manipulating, and combining working with the File Browser, histogram palette, Lens Blur, and the color replacement customizable keyboard how to create cutting-edge special effects for digital or film-based images, and much more. Th

If you’re a visual learner, this book is for you. Clear, step-by-step screen shots show you how to tackle more than 150 common tasks using Photoshop Elements 6, in task-based spreads with easy, visual directions. Learn to work with toolboxes and palettes, import and organize images, map photos, create slide shows, enhance contrast and colors, combine images, and much more. Helpful sidebars offer practical tips and tricks, and succinct explanations walk you through step by step.

Are you excited about opening your Web store，but a little intimidated too？Relax！Web Stores Do-It-Yourself For Dummies is here to guide you step by step through the whole process。You’ll find the easiest and best ways to choose a provider，sign up with payment processors，and open for business in no time。 This make-it-happen guide for online entrepreneurs walks you through the process of opening an account，designing your store for easy shopping，creating a catalog that shoppers can’t resist，processing orders and payments efficiently，and much more。You’ll find the best ways to choose merchandise，establish store information，create a skype phone number，develop store policies，and reach the customers you want。Discover how to: Pick products that will really sell Find and evaluate storefront providers Establish payment options Accept credit card payments safely Lay out your design from the ground up Set up a catalog of goods

在《C 编程规范：101条规则、准则与实践》中，两位知名的C 专家将全球C 界20年的集体智慧和经验凝结成一套编程规范。这些规范可以作为每一个开发团队制定实际开发规范的基础，更是每一位C 程序员应该遵循的行事准则。书中对每一条规范都给出了描述，并辅以实例说明；从类型定义到错误处理，都给出了C 实践，即使使用C 多年的程序员也会从本书中受益匪浅。 《C 编程规范：101条规则、准则与实践》适合于各层次C 程序员使用，也可作为高等院校C 课程的教学参考书。

作为数学工作室由于数学与物理的这种紧密关系，所以引进了这套英文版物理丛书。 《相对论量子场论：第3卷 量子场论的应用（英文）》的中文书名可译为《相对论量子场论·第3卷，量子场论的应用》。 《相对论量子场论：第3卷 量子场论的应用（英文）》的作者为迈克尔·斯特里克兰（Michael Strickland），美国人，肯特州立大学的物理学教授，他的主要研究领域是夸克-胶子等离子体物理学（QGP）和高温量子场论（QFT）。斯特里克兰博士发表过与QGP、量子场论、相对论流体力学和许多其他相关主题的研究论文，此外，他还与人合著了一本关于神经网络物理学的经典著作。 爱因斯坦（Einstein）曾经说过：“如果没有界定范畴和一般概念，思考就像在真空中呼吸，是不可能的，”他的话回应了西方哲学的一个长期传统，即我们的经验和知识是被范畴或一般概念的框架所

时滞微分方程(DDE)是一个用于单个变量的函数的方程，通常称为时间。本书是一部英文版的数学专著，作者萨米尔·萨克尔教授，是曼苏尔大学和堪萨斯州大学的数学教授，并于2002年在波兰的亚当·米基维茨大学获得博士学位，其研究方向为泛函微分和微分方程的定性分析，以及它们在动力学方程振动中的应用，他单独发表及与他人合作发表论文150多篇。本著作分为六章，内容如下：第1章：二阶微分方程。第2章：二阶差分方程。第3章：二阶中立型微分方程。第4章：二阶中立型差分方程。第5章：三阶微分方程。第6章：三阶差分方程。

We're not just playing games. You love your PSP. You loved the first edition of this book. If you're ready for more fun, here it is. Check out: Networking hacks that let you IM and speed up multiplayer game action. Awesome audio, video, and image hacks. Game hacks that let you use a single UMD cartridge for multiplayer games. The ever-popular homebrew applications, with secrets for sneaking them past the firmware. We're taking playtime to a whole new level. Let the fun begin with complete instructions on how to do all this and more with your PSP, including: Speeding up Web surfing. Getting maximum quality when moving video or audio to your PSP. Using your PSP like an iPod. Transfering DVDs to your PSP. Getting more power. Playing multiplayer games with a single UMD. Writing homebrew apps, even if you've never programmed before. Learning to fool, and even downgrade, your firmware. Running Linux and Windows. Visit hackingpsp.com to post your questions on th

The LNCS series reports state-of-the-art results in computer science research，development，and education，at a high level and in both printed and electronic form.Enjoying tight cooperation with the R&D community，with numerous individuals，as well as with prestigious organizations and societies，LNCS has grown into the most comprehensive computer science research forum available. The scope of LNCS，including its subseries LNAI，spans the whole range of computer science and information technology including interdisciplinary topics in a variety of application fields.The type of material published traditionally includes. —proceedings （published in time for the respective conference） —post-proceedings （consisting of thoroughly revised final full papers） —research monographs（which may be based on outstanding PhD work，research projects，technical reports，etc.）.

《学习使用c指针(影印版)(英文本)》作者通过《学习使用c指针(影印版)(英文本)》中的内存模型为你展示了如何在数组、字符串、结构和函数中使用指针。虽然难以掌握，但是指针为c语言提供了灵活性和强大能力，不过很少有资料来讲述这种数据类型。无论你是初学者还是有经验的c或者c++编程人员和开发者，这本详尽的书籍都有着你所需要的知识。

本书作为算法领域经典的参考书，全面介绍了关于算法和数据结构的知识，并特别针对排序、搜索、图处理和字符串处理进行了论述。第4版具体给出了每位程序员应知应会的50个算法，提供了实际代码，而且这些Java代码实现采用了模块化的编程风格，读者可以方便地加以改造。本书配套网站提供了本书内容的摘要及更多的代码实现、测试数据、练习、教学课件等资源。

论文写作是科技工作者的必修课，是科技工作者进行科学技术研究的重要手段，伴随着科研工作的全过程。针对目前研究生论文写作难，发表慢、数量少、质量低的问题，提高他们的写作技能是必需的。 张小红、鄢子平编著的《测绘科技论文中英文写作》共分7章，第1章对测绘科技论文写作的重要性，测绘科技论文的特性和分类，以及科技论文作者应有的基本素养进行了概述；第2章分析了测绘科技文献在科学研究和论文写作中的重要性，并以WebofScience数据库为例分析了文献检索的思路与方法；第3章主要分析了科技论文写作前的选题和构思；第4章是本书的重点，主要讲述了科技论文结构及各部分的写作方法与技巧；第5章主要介绍了测绘科技论文写作中图、表、量和单位符号的使用方法和常见问题；第6章论述了论文写作方面的具体要求和逻辑表达方法；第7章主要介

Go语言是谷歌推出的一种全新的C语言风格的编程语言，可以在不损失应用程序性能的情况下降低代码的复杂性，提高编程效率，适合开发大型软件，有望成为主流的编程语言。本书由《C程序设计语言》的作者Kernighan和谷歌公司Go团队合作编写而成，是关于Go语言编程的权威著作。

如何考虑岩土工程的设计、施工和运营中存在大量的不确定性因素是岩土工程的关键难点之一，也是国内外岩土工程领域的研究热点。本教材系统讲述了岩土工程可靠度原理、方法和算法，包括概率基础、一阶可靠度算法、抽样方法、响应面方法、土体空间变异性、基于可靠度设计理论、贝叶斯方法等七章内容。教材包含大量的实例、算法和实现代码，可作为高年级本科生和研究生的教材，也可做为岩土工程和地质工程等相关从业人员的参考书。教材包含了岩土工程可靠度领域诸多学者（包括编者）的重要研究成果。

Level Up covers the entire video game creation process Readerswill learn how to develop marketable ideas, learn what perils andpitfalls await them during a game's pre-production, production andpost-production stages Video games continue to be a growth market,with sustained growth since 2006 despite the economic downturn.2008 was a record year for game sales. Expert author Scott Rogersis a veteran of the industry and has designed hits including God ofWar, the SpongeBob Squarepants game series, and the venerable PacMan World. His recent talks at Game Developer Expo was featured onsites including BoingBoing, Digg, and Slashdot. Demand for gamedesigners and developers has tripled since 2006 (indeed.com) It hasa unique approach with Scott's tongue in cheek style, and "morepractice, less theory" approach will appeal to today's readers whowant to get started quickly.

Hands-on guide to the CA Internet Security Suite, which includes Parental Controls (blocks offensive Web sites, controls program use, and monitors Internet activity); Anti-Spyware (sweeps PCs of malicious software like spyware and adware); Anti-Spam (ensures that computer users get messages from people they know, while redirecting messages from people they don't); Anti-Virus (detects and removes computer viruses); and Personal Firewall (prevents hackers from attacking a PC) CA will include a special version of their $70 suite free with this book, which contains separate applications for Parental Controls, Anti-Spyware, Anti-Spam, Anti-Virus, and a Personal Firewall (good for 6 months)

This book constitutes the refereed proceedings of the 5th International Workshop on Hybrid Systems: Computation and Control, HSCC 2002, held in Stanford, California, USA, in March 2002.The 33 revised full papers presented were carefully reviewed and selected from 73 submissions. All current issues in hybrid systems are addressed including formal models and methods and computational representations, algorithms and heuristics, computational tools, and innovative applications.

A friendly reference guide to Microsoft Project, the leadingenterprise project management software As project managementsoftware, Microsoft Project allows you to oversee your businessactivities effectively. You can manage resources, share projectinfo, perform modeling and scenario analysis, and standardizereporting processes. This easy-to-understand guide is completelyupdated to cover the latest changes and newest enhancements toProject 2010 and shows you how to get Project 2010 to work for you.After an introduction to basic project management concepts, you’lldiscover the mechanics of using Project software to create andmanage projects. Other topics covered include working withcalendars, using and sharing resources, budgeting, formattingtaskbars, gathering and tracking data, working with reports, andcreating templates. Microsoft Project allows you to manageresources, share project information, perform scenario analysis,and standardize reporting processes Offers completely updatedcoverage of the new P

A must-have resource on the new features of Microsoft’senhanced SharePoint Server 2010 With SharePoint Server, an organization’s information can beorganized and combined in a central, Web-based application.Featuring in-depth coverage on all of SharePoint Server 2010’s newfeatures, this authoritative resource provides you with solidtimesaving techniques, fast solutions, and expert advice onconnecting employees and managing data easily and efficiently.You’ll explore ways SharePoint Server 2010 enhances corporateintranets and portals, proposal management portals, projectmanagement portals, team and customer collaboration sites, documentmanagement systems, and enterprise application integrationportals. Examines the newest updates and enhancements to the latestversion of Microsoft SharePoint Server Shares timesaving techniques, sophisticated solutions, and expertadvice on how to manage data easily and efficiently with SharePointServer 2010 Reviews ways to enhance portals, col