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The study of networks, including computer networks, social networks, and biological networks, has attracted enormous interest in the last few years. The rise of the Internet and the wide availability of inexpensive computers have made it possible to gather and analyze network data on an unprecedented scale, and the development of new theoretical tools has allowed us to extract knowledge from networks of many different kinds. The study of networks is broadly interdisciplinary and central developments have occurred in many fields, including mathematics, physics, computer and information sciences, biology, and the social sciences. This book brings together the most important breakthroughs in each of these fields and presents them in a coherent fashion, highlighting the strong interconnections between work in different areas. Topics covered include the measurement of networks; methods for analyzing network data, including methods developed in physics, statistics, and sociology; fundamentals of graph theory; computer algorithms; mathematical models of networks, including random graph models and generative models; and theories of dynamical processes taking place on networks. 包括计算机网络，社交网络和生物网络在内的网络研究在过去几年引起了极大的兴趣。互联网的兴起和廉价计算机的广泛应用使得以前所未有的规模收集和分析网络数据成为可能，新理论工具的开发使我们能够从多种不同类型的网络中提取知识。网络研究具有广泛的跨学科性，在许多领域都有发展，包括数学，物理，计算机和信息科学，生物学和社会科学。本书汇集了这些领域中最重要的突破，并以连贯的方式呈现，凸显了不同领域工作之间的紧密联系。 涵盖的主题包括网络测量;分析网络数据的方法，包括在物理学，统计学和社会学中开发的方法;图论的基本原理;计算机算法;网络的数学模型，包括随机图模型和生成模型;和网络上发生的动态过程理论。

有关矢量控制电机[FOC]的入门基础材料，FOC是现在电机控制的趋势：因为半导体芯片IC，电力电子元件等等价格越来越便宜，而全球以能耗越来越关注，能源问题越来越占更大的比重，智能化产品客户需求现实等， 所以更高级[Neural Networks, Fuzzy Systems and Genetic Algorithms，FOC等等]的电机控制技术是必须的必然的唯一的！ 推荐对电机拖动感兴趣的可以参考下此书

奥本海默第二版，看上去像文字版实际上是影印版

802.11无线网络权威指南(第二版全文字非扫描)英文原版

COMPLETE-SOLUTIONS-Elements-of-Information-Theory-2nd-Edition-manual-chapters-1-17 对应翻译版教材《信息论基础》 第二版完整答案 现有的很多都是第一版完整答案

Robotics Vision and Control 2nd edition-Peter Corke 继第一版之后的全新修订版，机器人行业从业者的完美入门指导书

请大家放心，这是真正正式版，原版pdf。The Linux Command Line, 2nd Edition: A Complete Introduction 2nd Edition.

This new edition to the classic book by ggplot2 creator Hadley Wickham highlights compatibility with knitr and RStudio. ggplot2 is a data visualization package for R that helps users create data graphics, including those that are multi-layered, with ease. With ggplot2, it's easy to: produce handsome, publication-quality plots with automatic legends created from the plot specification superimpose multiple layers (points, lines, maps, tiles, box plots) from different data sources with automatically adjusted common scales add customizable smoothers that use powerful modeling capabilities of R, such as loess, linear models, generalized additive models, and robust regression save any ggplot2 plot (or part thereof) for later modification or reuse create custom themes that capture in-house or journal style requirements and that can easily be applied to multiple plots approach a graph from a visual perspective, thinking about how each component of the data is represented on the final plot This book will be useful to everyone who has struggled with displaying data in an informative and attractive way. Some basic knowledge of R is necessary (e.g., importing data into R). ggplot2 is a mini-language specifically tailored for producing graphics, and you'll learn everything you need in the book. After reading this book you'll be able to produce graphics customized precisely for your problems, and you'll find it easy to get graphics out of your head and on to the screen or page. Table of Contents Part I Getting Started Chapter 1 Introduction Chapter 2 Getting Started with ggplot2 Chapter 3 Toolbox Part II The Grammar Chapter 4 Mastering the Grammar Chapter 5 Build a Plot Layer by Layer Chapter 6 Scales, Axes and Legends Chapter 7 Positioning Chapter 8 Themes Part III Data Analysis Chapter 9 Data Analysis Chapter 10 Data Transformation Chapter 11 Modelling for Visualisation Chapter 12 Programming with ggplot2

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