This book develops the theory of ordinary differential equations (ODEs), starting from an introductory level (with no prior experience in ODEs assumed) through to a graduate-level treatment of the qualitative theory, including bifurcation theory (but not chaos). While proofs are rigorous, the exposition is reader-friendly, aiming for the informality of face-to-face interactions. A unique feature of this book is the integration of rigorous theory with numerous applications of scientific interest. Besides providing motivation, this synthesis clarifies the theory and enhances scientific literacy. Other features include: (i) a wealth of exercises at various levels, along with commentary that explains why they matter; (ii) figures with consistent color conventions to identify nullclines, periodic orbits, stable and unstable manifolds; and (iii) a dedicated website with software templates, problem solutions, and other resources supporting the text (www.math.duke.edu/ode-book). Given its many applications, the book may be used comfortably in science and engineering courses as well as in mathematics courses. Its level is accessible to upper-level undergraduates but still appropriate for graduate students. The thoughtful presentation, which anticipates many confusions of beginning students, makes the book suitable for a teaching environment that emphasizes self-directed, active learning (including the so-called inverted classroom).
Organizations are increasingly adopting new ways of working to take advantage of new digital technologies to enhance the services they can offer and become more productive. This book defines and explains the different terms that are used to describe new ways of working and identifies the benefits and limitations of different approaches. Readers will learn about the key components of successful agile working and how a holistic approach is needed for the successful implementation of agile working. The author provides advice on the introduction of new ways of working, including preparing a robust business case, setting up an agile working program, and providing a road map. The contributions of the Internet of Things and artificial intelligence to the digital workspace and agile working are assessed.
This practical text features computer-aided engineering methods for the design and application of magnetic actuators and sensors, using the latest software tools. John Brauer highlights the use of the electromagnetic finite element software package Maxwell? SV and introduces readers to applications using SPICE, MATLAB?, and Simplorer?. A free download of Maxwell? SV is available at the Ansoft site, and the software files for the examples are available at ftp://ftp.wiley.com/public/sci_tech_med/magnetic_actuators. The text is divided into four parts: * Part One, Magnetics, offers an introduction to magnetic actuators and sensors as well as basic electromagnetics, followed by an examination of the reluctance method, the finite element method, magnetic force, and other magnetic performance parameters * Part Two, Actuators, explores DC actuators, AC actuators, and magnetic actuator transient operation * Part Three, Sensors, details Hall effect and magnetoresistance as they apply to sensing position. Readers are introduced to many other types of magnetic sensors * Part Four, Systems, covers aspects of systems common to both magnetic actuators and sensors, including coil design and temperature calculations, electromagnetic compatibility, electromechanical finite elements, and electromechanical analysis using system models. The final chapter sets forth the advantages of electrohydraulic systems that incorporate magnetic actuators and/or sensors A major thrust of this book is teaching by example. In addition to solved examples provided by the author, problems at the end of each chapter help readers to confirm their understanding of new skills and techniques. References, provided in each chapter, help readers explore particular topics in greater depth. With its emphasis on problem solving and applications, this is an ideal textbook for electrical and mechanical engineers enrolled in upper-level undergraduate and graduate classes in electromechanical engineering.
This work chronicles the lives and accomplishments of over 200 enemies who have fought, plotted, spied on, and in some instances defeated U.S. forces over the past three centuries. Books on American military heroes abound. But this book is the first to focus on America's talented enemies—the generals, admirals, Indian chiefs and warriors, submarine captains, fighter pilots, and spies who opposed the United States with military force or other means. Often these military leaders were among the best minds of their times. For more than two centuries, the new nation's most constant military opponents were the Native Americans, led by such capable chiefs as American Horse and Little Wolf. Under D'Iberville, Canada's French colonialists became formidable foes, but they were soon surpassed by the rigorously disciplined redcoats of Great Britain under Howe and Cornwallis. Ironically, the most effective enemies in the history of the United States were not the leaders of foreign military forces—like Mexico's Santa Anna, Japan's Yamamoto, or Vietnam's Vo Nguyen Giap. They arose from among its own citizens during the Civil War, the bloodiest conflict in American history.
A collection of the year’s best science fiction and fantasy short fiction selected by New York Times bestselling author of the Silo series Hugh Howey and series editor John Joseph Adams. “These are dangerous stories. The kind that warp reality and threaten to change the world” warns guest editor Hugh Howey in his introduction. The Best American Science Fiction and Fantasy 2024 promises a treasure trove of audacious characters, daring worldbuilding, and twisted realties. A sibling duo of supernatural hitmen. A traveling spellbreaker and his trusty alligator mount. Superheroes registering for work. Sentient spaceships with an AI-human interface grow up together with their human pilots. From a Korean folk-tale retelling about the goddess of shamans, to a car, resurrected from obsolescence via automancy, for a road trip from California to Maine, these are stories that, for Howey, “challenged my worldview, that made me exercise new mental muscles, and that brought me to tears.” The Best American Science Fiction and Fantasy 2024 includes A.R. CAPETTA • P. DJÈLÍ CLARK • JAMES S.A. COREY • AMAL EL-MOHTAR • ANDREW SEAN GREER • GRADY HENDRIX • ANN LECKIE • SAM J. MILLER REBECCA ROANHORSE • and others
Surgical Intensive Care Medicine has been specifically designed to be a practical reference for medical students and house officers to help manage the critically ill surgical patient. The first section is titled “Resuscitation” and exposes the reader to a condensed version of generic topics in primary intensive care medicine. The sections that follow have been categorized according to medical and surgical subspecialties and cover the most germane of problems encountered in a tertiary surgical intensive care unit. Sections of certain chapters, while repetitive, have been left intact in an attempt to maintain the authors' messages and provide the reader with some contradictory but referenced views. The technical chapters describe a very introductory approach to various exercises such as airway management and vascular cannulation.
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