This book is self-published and is printed on demand. The original ISBN was generated in 2012, but if you purchase the book new from CreateSpace or Amazon you will get the new version, which was uploaded January 3, 2017. This book, now in its fourth edition (January 2017), is the third in a series of three books that teach the fundamentals of embedded systems as applied to ARM Cortex-M microcontrollers. This book specifically covers the TM4C and MSP432 microcontrollers; however, it could be used with any Cortex-M microcontroller. This third volume is primarily written for senior undergraduate or first-year graduate electrical and computer engineering students. It could also be used for professionals wishing to design or deploy a real-time operating system onto an ARM platform. The first book Embedded Systems: Introduction to the ARM Cortex-M Microcontroller is an introduction to computers and interfacing focusing on assembly language and C programming. The second book Embedded Systems: Real-Time Interfacing to ARM Cortex-M Microcontroller focuses on interfacing and the design of embedded systems. This third book is an advanced book focusing on operating systems, high-speed interfacing, control systems, robotics, Bluetooth, and the Internet of Things (IoT). Rather than buying and deploying an existing OS, the focus is on fundamental principles, so readers can write their-own OS. Embedded systems are a ubiquitous component of our everyday lives. We interact with hundreds of tiny computers every day that are embedded into our houses, our cars, our toys, and our work. As our world has become more complex, so have the capabilities of the microcontrollers embedded into our devices. An embedded system is a system that performs a specific task and has a computer embedded inside. A system is comprised of components and interfaces connected together for a common purpose. Specific topics include microcontrollers, design, verification, hardware/software synchronization, interfacing devices to the computer, real-time operating systems, data collection and processing, motor control, analog filters, digital filters, and real-time signal processing. This book employs many approaches to learning. It will not include an exhaustive recapitulation of the information in data sheets. First, it begins with basic fundamentals, which allows the reader to solve new problems with new technology. Second, the book presents many detailed design examples. These examples illustrate the process of design. There are multiple structural components that assist learning. Checkpoints, with answers in the back, are short easy to answer questions providing immediate feedback while reading. Simple homework questions provide more detailed learning opportunities. The book includes an index and a glossary so that information can be searched. The most important learning experiences in a class like this are of course the laboratories. More detailed lab descriptions are available on the web. Specifically for Volume 1, look at the lab assignments for EE319K. For Volume 2 refer to the EE445L labs, and for this volume, look at the lab assignments for EE445M/EE380L.6. There is a web site accompanying this book http://users.ece.utexas.edu/~valvano/arm. Posted here are Keil uVision projects for each the example programs in the book. You will also find data sheets and Excel spreadsheets relevant to the material in this book. The book will cover embedded systems for the ARM Cortex-M with specific details on the MSP432, TM4C123, and TM4C1294. Most of the topics can be run on any of these Texas Instruments LaunchPads. Ethernet examples can be run on the TM4C1294. Although the solutions are specific for the MSP432/TM4C families, it will be possible to use this book for other Cortex-M derivatives. Table of Contents Chapter 1. Computer Architecture Chapter 2. Microcontroller Input/Output Chapter 3. Thread Management Chapter 4. Time Management Chapter 5. Real-time Systems Chapter 6. Digital Signal Processing Chapter 7. High-Speed Interfacing Chapter 8. File system management Chapter 9. Communication Systems Chapter 10. Robotic Systems Appendix 1. Glossary Appendix 2. Solutions to Checkpoints

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本文档是Python3.8.1的官方中文文档，包括Python 3.8 的新变化，入门教程，标准库参考，语言参考，Python/C API 接口等内容。

Learn and implement quantitative finance using popular Python libraries like NumPy, pandas, and Keras Key Features Understand Python data structure fundamentals and work with time series data Use popular Python libraries including TensorFlow, Keras, and SciPy to deploy key concepts in quantitative finance Explore various Python programs and learn finance paradigms Book Description Python is one of the most popular languages used for quantitative finance. With this book, you'll explore the key characteristics of Python for finance, solve problems in finance, and understand risk management. The book starts with major concepts and techniques related to quantitative finance, and an introduction to some key Python libraries. Next, you'll implement time series analysis using pandas and DataFrames. The following chapters will help you gain an understanding of how to measure the diversifiable and non-diversifiable security risk of a portfolio and optimize your portfolio by implementing Markowitz Portfolio Optimization. Sections on regression analysis methodology will help you to value assets and understand the relationship between commodity prices and business stocks. In addition to this, you'll be able to forecast stock prices using Monte Carlo simulation. The book will also highlight forecast models that will show you how to determine the price of a call option by analyzing price variation. You'll also use deep learning for financial data analysis and forecasting. In the concluding chapters, you will create neural networks with TensorFlow and Keras for forecasting and prediction. By the end of this book, you will be equipped with the skills you need to perform different financial analysis tasks using Python

王巍的作品。当前版本基于 Swift 4。随着 Swift 的新特性引入以及错误修正，本书难免会存在部分错误，其中包括为对应的更新纰漏或者部分内容过时的情况。 摘录来自: 王巍 (onevcat). “Swifter - Swift 必备 Tips (第四版)。” iBooks.

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希尔伯特几何基础（彩色插图·超值珍藏）： 科学元典是科学史和人类文明史上时代的丰碑，是人类文化的优秀遗产，是历经时间考验的不朽之作。它们不仅是伟大的科学创造的结晶，而且是科学精神、科学思想和科学方法的载体，具有永恒的意义和价值。

学习C++进阶非常经典的书，而且是epub版本，大家如果需要可以下载，本人亲测排版非常不错。