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Introduced 160 years ago as an attempt to generalize complex numbers to higher dimensions, quaternions are now recognized as one of the most important concepts in modern computer graphics. They offer a powerful way to represent rotations and compared to rotation matrices they use less memory, compose faster, and are naturally suited for efficient interpolation of rotations. Despite this, many practitioners have avoided quaternions because of the mathematics used to understand them, hoping that some day a more intuitive description will be available.The wait is over. Andrew Hanson's new boo

Quaternions. --- Algebra, Universal --- Algebraic fields --- Curves --- Surfaces --- Numbers, Complex --- Vector analysis --- Quaternions --- 681.3*I35 --- 681.3*I35 Computational geometry and object modeling (Computer graphics) --- Computational geometry and object modeling (Computer graphics) --- Computer graphics.

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Environmental quality is becoming an increasing concern in our society. In that context, waste and wastewater treatment, and more specifically biological wastewater treatment processes play an important role. In this book, we concentrate on the mathematical modelling of these processes. The main purpose is to provide the increasing number of professionals who are using models to design, optimise and control wastewater treatment processes with the necessary background for their activities of model building, selection and calibration. The book deals specifically with dynamic models because they allow us to describe the behaviour of treatment plants under the highly dynamic conditions that we want them to operate (e.g. Sequencing Batch Reactors) or we have to operate them (e.g. storm conditions, spills). Further extension is provided to new reactor systems for which partial differential equation descriptions are necessary to account for their distributed parameter nature (e.g. settlers, fixed bed reactors). The model building exercise is introduced as a step-wise activity that, in this book, starts from mass balancing principles. In many cases, different hypotheses and their corresponding models can be proposed for a particular process. It is therefore essential to be able to select from these candidate models in an objective manner. To this end, structure characterisation methods are introduced. Important sections of the book deal with the collection of high quality data using optimal experimental design, parameter estimation techniques for calibration and the on-line use of models in state and parameter estimators.

628.315 --- 681.3*I63 --- Sewage treatment systems (general questions) --- Applications (Simulation and modeling) --- Agrotechnology and Food Sciences. Engineering --- Waste treatment --- Waste Water Treatment --- Waste Water Treatment. --- Sewage treatment systems (general questions). --- Applications (Simulation and modeling). --- 681.3*I63 Applications (Simulation and modeling) --- 628.315 Sewage treatment systems (general questions)

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The advent of widespread fast computing has enabled us to work on more complex problems and to build and analyze more complex models. This book provides an introduction to one of the primary methodologies for research in this new field of knowledge. Agent-based modeling (ABM) offers a new way of doing science: by conducting computer-based experiments. ABM is applicable to complex systems embedded in natural, social, and engineered contexts, across domains that range from engineering to ecology. An Introduction to Agent-Based Modeling offers a comprehensive description of the core concepts, methods, and applications of ABM. Its hands-on approach - with hundreds of examples and exercises using NetLogo - enables readers to begin constructing models immediately, regardless of experience or discipline. The book first describes the nature and rationale of agent-based modeling, then presents the methodology for designing and building ABMs, and finally discusses how to utilize ABMs to answer complex questions. Features in each chapter include step-by-step guides to developing models in the main text; text boxes with additional information and concepts; end-of-chapter explorations; and references and lists of relevant reading. There is also an accompanying website with all the models and code.

System analysis --- Computer simulation. --- Multiagent systems. --- NetLogo (Computer program language) --- Programming languages (Electronic computers) --- Agent-based model (Computer software) --- MASs (Multiagent systems) --- Multi-agent systems --- Systems, Multiagent --- Intelligent agents (Computer software) --- Computer modeling --- Computer models --- Modeling, Computer --- Models, Computer --- Simulation, Computer --- Electromechanical analogies --- Mathematical models --- Simulation methods --- Model-integrated computing --- Data processing. --- NetLogo (Computer program language). --- Computer simulation --- Multiagent systems --- NetLogo (Langage de programmation) --- Analyse de systèmes --- Simulation par ordinateur --- Systèmes multiagents (Intelligence artificielle) --- Data processing --- Informatique --- System analysis - Data processing

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This third edition again delivers a clear path for students and professionals to learn and apply object-oriented analysis and design. The first two editions of this book have achieved gross sales of more than 60,000 units through the domestic retail channel Timely and up-to-date; compliant with UML 2.0 and the latest trends in design patterns and object-oriented analysis and design More gold from one of the leading names in software engineering- Craig Larman! The mastery of object-oriented analysis and design (OOA/D) principles and concepts is critical for anyone seeking to create robust and maintainable object systems. This third edition presents a well-defined roadmap, so the reader can move along a step-by-step process from requirements gathering all the way to code generation. The author teaches the skill of OOA/D using the latest version of the industry standard modeling language (UML 2.0). He also allows the reader to learn and apply the popular concept of design patterns, and therefore helps readers accelerate their mastery of analysis and design. The author retains his thorough treatment of a single case study to help readers gain a big picture of successful software development. Once again, this book delivers, and furthers Craig Larman's name among software engineering luminaries.

Programming --- Computer architecture. Operating systems --- Object-georiënteerd programmeren --- objectgeoriënteerde systeemontwikkeling --- visuele modelleertalen --- computerarchitectuur --- 521 --- 525.1 --- Languages constructs: abstract data types concurrent programming structurescontrol structures coroutines (Programming languages) --- systeemanalyse, systeemontwerp, beheer en onderhoud van informatiesystemen --- Object-georiënteerd programmeren. --- 681.3*D33 Languages constructs: abstract data types concurrent programming structurescontrol structures coroutines (Programming languages) --- 681.3*D33 --- 681.3*D211 --- UML --- programmeertalen --- programmeren --- besturingssystemen --- systeemanalyse --- systeemontwerp --- informatica --- 525.5 --- infobib --- 681.3.06 --- Objectgeoriënteerd programmeren --- Programmeertalen : UML --- 681.3*D33 Languages constructs: abstract data types; concurrent programming structures;control structures; coroutines (Programming languages) --- Languages constructs: abstract data types; concurrent programming structures;control structures; coroutines (Programming languages) --- Software architectures: data abstractio, domain-specific architectures, information hiding, languages (e.g. description, interconnection, definition), patterns (e.g. client/server, pipeline, blackboard) --- C (informatica) --- object oriented analysis --- UML (unified modeling language) --- Object-oriented methods (Computer science) --- System analysis --- System design --- UML (Computer science) --- Object development methods (Computer science) --- Object orientation (Computer science) --- Object-oriented development (Computer science) --- Object technology (Computer science) --- Unified Modeling Language (Computer science) --- Computer software --- Modeling languages (Computer science) --- Design, System --- Systems design --- Electronic data processing --- Network theory --- Systems analysis --- System theory --- Mathematical optimization --- Development --- Network analysis --- Network science --- System analysis. --- Object-oriented methods (Computer science). --- System design. --- UML (Computer science). --- 004.4 --- Informatica --- Programmeertalen --- Programmeren --- Systeemontwikkeling