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Book
Bridging the Gap : The Measure of Urban Resilience
Authors: --- ---
Year: 2021 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

The concept of resilience has arisen as a “new way of thinking”, becoming a response to both the causes and effects of ongoing global challenges. As it strongly stresses cities’ transformative potential, resilience’s final purpose is to prevent and manage unforeseen events and improve communities’ environmental and social quality. Although the resilience theory has been investigated in depth, several methodological challenges remain, mainly related to the concept’s practical sphere. As a matter of fact, resilience is commonly criticised for being too ambiguous and empty of meaning. At the same time, turning resilience into practice is not easy to do. This will arguably be one of the most impactful global issues for future research on resilience. The Special Issue “Bridging the Gap: The Measure of Urban Resilience” falls under this heading, and it seeks to synthesise state-of-the-art knowledge of theories and practices on measuring resilience. The Special Issue collected 11 papers that address the following questions: “What are the theoretical perspectives of measuring urban resilience? What are the existing methods for measuring urban resilience? What are the main features that a technique for measuring urban resilience needs to have? What is the role of measuring urban resilience in operationalising cities’ ability to adapt, recover and benefit from shocks?”


Book
Bioinformatics Applications Based On Machine Learning
Authors: --- --- ---
Year: 2021 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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The great advances in information technology (IT) have implications for many sectors, such as bioinformatics, and has considerably increased their possibilities. This book presents a collection of 11 original research papers, all of them related to the application of IT-related techniques within the bioinformatics sector: from new applications created from the adaptation and application of existing techniques to the creation of new methodologies to solve existing problems.


Book
Mathematical Physics II
Author:
Year: 2020 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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The charm of Mathematical Physics resides in the conceptual difficulty of understanding why the language of Mathematics is so appropriate to formulate the laws of Physics and to make precise predictions. Citing Eugene Wigner, this “unreasonable appropriateness of Mathematics in the Natural Sciences” emerged soon at the beginning of the scientific thought and was splendidly depicted by the words of Galileo: “The grand book, the Universe, is written in the language of Mathematics.” In this marriage, what Bertrand Russell called the supreme beauty, cold and austere, of Mathematics complements the supreme beauty, warm and engaging, of Physics. This book, which consists of nine articles, gives a flavor of these beauties and covers an ample range of mathematical subjects that play a relevant role in the study of physics and engineering. This range includes the study of free probability measures associated with p-adic number fields, non-commutative measures of quantum discord, non-linear Schrödinger equation analysis, spectral operators related to holomorphic extensions of series expansions, Gibbs phenomenon, deformed wave equation analysis, and optimization methods in the numerical study of material properties.


Book
Virtual reality and animation for MATLAB and Simulink users : visualization of dynamic models and control simulations
Author:
ISBN: 1447123298 1447123301 9786613443755 1283443759 Year: 2012 Publisher: London : Springer,

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Virtual Reality and Animation for MATLAB® and Simulink® Users demonstrates the simulation and animation of physical systems using the MATLAB® Virtual Reality Toolbox (virtual models are created in V-Realm Builder). The book is divided into two parts; the first addresses MATLAB® and the second Simulink®. The presentation is problem-based with each chapter teaching the reader a group of essential principles in the context of a step-by-step solution to a particular issue. Examples of the systems covered include mass-spring-dampers, a crank-slider mechanism and a moving vehicle. The examples are given in ascending level of difficulty and contain MATLAB®/Simulink® codes deliberately simplified so that readers can focus on: • understanding how to link a 3-d virtual scene to MATLAB®/Simulink®; and • manipulating the 3-d virtual scene in MATLAB®/Simulink®. When studied in sequence, the chapters of this text form a coherent whole enabling the reader to gain a thorough expertise in virtual simulation and animation of dynamical models using MATLAB®/Simulink®. Individual chapters stand on their own, however, so that readers interested in a particular system can concentrate on it easily. Problems are provided in each chapter to give practice in the techniques demonstrated and to extend the range of the systems studied, for example, into the control sphere. Solution code for these problems can be downloaded from insert URL. Whether modeling the dynamics of a simple pendulum, a robot arm or a moving car, animation of a dynamical model can enliven and encourage understanding of mechanical systems and thus contribute to control design. Virtual Reality and Animation for MATLAB® and Simulink® Users will be instructive and interesting to anyone, researcher or student, working with the dynamics of physical systems. Readers are assumed to have some familiarity with MATLAB®.

Keywords

Computer simulation. --- MATLAB. --- SIMULINK. --- Virtual reality in engineering. --- Virtual reality in engineering --- Computer simulation --- Engineering & Applied Sciences --- Applied Mathematics --- Computer Science --- DYNAMO (Computer program language) --- Virtual reality. --- Computer animation. --- Animation, Computer --- Computer-assisted filmmaking --- Computer-generated animation --- Environments, Virtual --- Virtual environments --- Virtual worlds --- Dynamic models (Computer program language) --- Computer science. --- Computer-aided engineering. --- Mechanical engineering. --- Control engineering. --- Robotics. --- Automation. --- Computer Science. --- Computer-Aided Engineering (CAD, CAE) and Design. --- Control. --- Mechanical Engineering. --- Robotics and Automation. --- Animation (Cinematography) --- Computer graphics --- Reality --- Industrial management --- Modeling languages (Computer science) --- Programming languages (Electronic computers) --- Mathematical models --- Computer aided design. --- Control and Systems Theory. --- Engineering, Mechanical --- Engineering --- Machinery --- Steam engineering --- CAD (Computer-aided design) --- Computer-assisted design --- Computer-aided engineering --- Design --- Automatic factories --- Automatic production --- Computer control --- Engineering cybernetics --- Factories --- Industrial engineering --- Mechanization --- Assembly-line methods --- Automatic control --- Automatic machinery --- CAD/CAM systems --- Robotics --- Automation --- Machine theory --- Control engineering --- Control equipment --- Control theory --- Engineering instruments --- Programmable controllers --- CAE --- Data processing --- MATLAB (Computer program) --- MATLAB (Computer file) --- Matrix laboratory


Book
Efficiency and Anomalies in Stock Markets
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Year: 2022 Publisher: Basel MDPI - Multidisciplinary Digital Publishing Institute

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The Efficient Market Hypothesis believes that it is impossible for an investor to outperform the market because all available information is already built into stock prices. However, some anomalies could persist in stock markets while some other anomalies could appear, disappear and re-appear again without any warning. A Special Issue on "Efficiency and Anomalies in Stock Markets" will be devoted to advancements in the theoretical development of market efficiency and anomaly in the Stock Market, as well as applications in Stock Market efficiency and anomalies.

Keywords

stochastic dominance --- Omega ratio --- risk averters --- risk seekers --- utility maximization --- market efficiency --- anomaly --- emerging markets --- KSE Pakistan --- three-factor model --- size and value premiums --- future economic growth --- liquidity proxy --- emerging market --- transaction cost --- price impact --- efficient market --- economic policy uncertainty --- random walk --- news --- Asian market --- G7 market --- real exchange rate --- volatility --- financial development --- economic growth --- Put–Call Ratio --- volume --- open interest --- frequency-domain roiling causality --- convertible bond --- financial constraints --- stock performance --- Autoregressive Model --- non-Gaussian error --- realized volatility --- Threshold Autoregressive Model --- value premium --- technical analysis --- moving average --- China stock market --- stock market --- finance --- applications --- EMH --- anomalies --- Behavioral Finance --- Winner–Loser Effect --- Momentum Effect --- calendar anomalies --- BM effect --- the size effect --- Disposition Effect --- Equity Premium Puzzle --- herd effect --- ostrich effect --- bubbles --- trading rules --- overconfidence --- utility --- portfolio selection --- portfolio optimization --- risk measures --- performance measures --- indifference curves --- two-moment decision models --- dynamic models --- diversification --- behavioral models --- unit root --- cointegration --- causality --- nonlinearity --- covariance --- copulas --- robust estimation --- anchoring


Book
Energy Efficiency in Electric Devices, Machines and Drives
Authors: ---
Year: 2020 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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This Special Issue deals with improvements in the energy efficiency of electric devices, machines, and drives, which are achieved through improvements in the design, modelling, control, and operation of the system. Properly sized and placed coils of a welding transformer can reduce the required iron core size and improve the efficiency of the welding system operation. New structures of the single-phase field excited flux switching machine improve its performance in terms of torque, while having higher back-EMF and unbalanced electromagnetic forces. A properly designed rotor notch reduces the torque ripple and cogging torque of interior permanent magnet motors for the drive platform of electric vehicles, resulting in lower vibrations and noise. In the field of modelling, the torque estimation of a Halbach array surface permanent magnet motor with a non-overlapping winding layout was improved by introducing an analytical two-dimensional subdomain model. A general method for determining the magnetically nonlinear two-axis dynamic models of rotary and linear synchronous reluctance machines and synchronous permanent magnet machines is introduced that considers the effects of slotting, mutual interaction between the slots and permanent magnets, saturation, cross saturation, and end effects. Advanced modern control solutions, such as neural network-based model reference adaptive control, fuzzy control, senseless control, torque/speed tracking control derived from the 3D non-holonomic integrator, including drift terms, maximum torque per ampere, and maximum efficiency characteristics, are applied to improve drive performance and overall system operation.

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