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Books > Science & Mathematics > Mathematics > Applied mathematics > Mathematics for scientists & engineers

Applied Machine Learning (Hardcover, 1st ed. 2019): David Forsyth Applied Machine Learning (Hardcover, 1st ed. 2019)
David Forsyth
R3,082 Discovery Miles 30 820 Ships in 18 - 22 working days

Machine learning methods are now an important tool for scientists, researchers, engineers and students in a wide range of areas. This book is written for people who want to adopt and use the main tools of machine learning, but aren't necessarily going to want to be machine learning researchers. Intended for students in final year undergraduate or first year graduate computer science programs in machine learning, this textbook is a machine learning toolkit. Applied Machine Learning covers many topics for people who want to use machine learning processes to get things done, with a strong emphasis on using existing tools and packages, rather than writing one's own code. A companion to the author's Probability and Statistics for Computer Science, this book picks up where the earlier book left off (but also supplies a summary of probability that the reader can use). Emphasizing the usefulness of standard machinery from applied statistics, this textbook gives an overview of the major applied areas in learning, including coverage of:* classification using standard machinery (naive bayes; nearest neighbor; SVM)* clustering and vector quantization (largely as in PSCS)* PCA (largely as in PSCS)* variants of PCA (NIPALS; latent semantic analysis; canonical correlation analysis)* linear regression (largely as in PSCS)* generalized linear models including logistic regression* model selection with Lasso, elasticnet* robustness and m-estimators* Markov chains and HMM's (largely as in PSCS)* EM in fairly gory detail; long experience teaching this suggests one detailed example is required, which students hate; but once they've been through that, the next one is easy* simple graphical models (in the variational inference section)* classification with neural networks, with a particular emphasis onimage classification* autoencoding with neural networks* structure learning

Measurement Data Modeling and Parameter Estimation (Hardcover): Zhengming Wang, Dongyun Yi, Xiaojun Duan, Jing Yao, Defeng Gu Measurement Data Modeling and Parameter Estimation (Hardcover)
Zhengming Wang, Dongyun Yi, Xiaojun Duan, Jing Yao, Defeng Gu
R5,672 Discovery Miles 56 720 Ships in 10 - 15 working days

Measurement Data Modeling and Parameter Estimation integrates mathematical theory with engineering practice in the field of measurement data processing. Presenting the first-hand insights and experiences of the authors and their research group, it summarizes cutting-edge research to facilitate the application of mathematical theory in measurement and control engineering, particularly for those interested in aeronautics, astronautics, instrumentation, and economics.

Requiring a basic knowledge of linear algebra, computing, and probability and statistics, the book illustrates key lessons with tables, examples, and exercises. It emphasizes the mathematical processing methods of measurement data and avoids the derivation procedures of specific formulas to help readers grasp key points quickly and easily. Employing the theories and methods of parameter estimation as the fundamental analysis tool, this reference:

  • Introduces the basic concepts of measurements and errors
  • Applies ideas from mathematical branches, such as numerical analysis and statistics, to the modeling and processing of measurement data
  • Examines methods of regression analysis that are closely related to the mathematical processing of dynamic measurement data
  • Covers Kalman filtering with colored noises and its applications

Converting time series models into problems of parameter estimation, the authors discuss modeling methods for the true signals to be estimated as well as systematic errors. They provide comprehensive coverage that includes model establishment, parameter estimation, abnormal data detection, hypothesis tests, systematic errors, trajectory parameters, and modeling of radar measurement data. Although the book is based on the authors research and teaching experience in aeronautics and astronautics data processing, the theories and methods introduced are applicable to processing dynamic measurement data across a wide range of fields.

Inductive Inference for Large Scale Text Classification - Kernel Approaches and Techniques (Hardcover, 2010 ed.): Catarina... Inductive Inference for Large Scale Text Classification - Kernel Approaches and Techniques (Hardcover, 2010 ed.)
Catarina Silva, Bernadete Ribeiro
R4,664 Discovery Miles 46 640 Ships in 10 - 15 working days

Text classification is becoming a crucial task to analysts in different areas. In the last few decades, the production of textual documents in digital form has increased exponentially. Their applications range from web pages to scientific documents, including emails, news and books. Despite the widespread use of digital texts, handling them is inherently difficult - the large amount of data necessary to represent them and the subjectivity of classification complicate matters. This book gives a concise view on how to use kernel approaches for inductive inference in large scale text classification; it presents a series of new techniques to enhance, scale and distribute text classification tasks. It is not intended to be a comprehensive survey of the state-of-the-art of the whole field of text classification. Its purpose is less ambitious and more practical: to explain and illustrate some of the important methods used in this field, in particular kernel approaches and techniques.

The Cross-Entropy Method - A Unified Approach to Combinatorial Optimization, Monte-Carlo Simulation and Machine Learning... The Cross-Entropy Method - A Unified Approach to Combinatorial Optimization, Monte-Carlo Simulation and Machine Learning (Hardcover, 2004 ed.)
Reuven Y. Rubinstein, Dirk P. Kroese
R4,277 Discovery Miles 42 770 Ships in 18 - 22 working days

Rubinstein is the pioneer of the well-known score function and cross-entropy methods.

Accessible to a broad audience of engineers, computer scientists, mathematicians, statisticians and in general anyone, theorist and practitioner, who is interested in smart simulation, fast optimization, learning algorithms, and image processing.

Operator Algebras and Quantum Statistical Mechanics - Equilibrium States. Models in Quantum Statistical Mechanics (Hardcover,... Operator Algebras and Quantum Statistical Mechanics - Equilibrium States. Models in Quantum Statistical Mechanics (Hardcover, 2nd ed. 1997. 2nd printing 2002)
Ola Bratteli, Derek William Robinson
R4,794 Discovery Miles 47 940 Ships in 18 - 22 working days

For almost two decades this has been the classical textbook on applications of operator algebra theory to quantum statistical physics. It describes the general structure of equilibrium states, the KMS-condition and stability, quantum spin systems and continuous systems.Major changes in the new edition relate to Bose--Einstein condensation, the dynamics of the X-Y model and questions on phase transitions. Notes and remarks have been considerably augmented.

Entropy Measures, Maximum Entropy Principle and Emerging Applications (Hardcover, 2003 ed.): Karmeshu Entropy Measures, Maximum Entropy Principle and Emerging Applications (Hardcover, 2003 ed.)
Karmeshu
R5,307 Discovery Miles 53 070 Ships in 18 - 22 working days

This book is dedicated to Prof. J. Kapur and his contributions to the field of entropy measures and maximum entropy applications. Eminent scholars in various fields of applied information theory have been invited to contribute to this Festschrift, collected on the occasion of his 75th birthday. The articles cover topics in the areas of physical, biological, engineering and social sciences such as information technology, soft computing, nonlinear systems or molecular biology with a thematic coherence. The volume will be useful to researchers working in these different fields enabling them to see the underlying unity and power of entropy optimization frameworks.

Computational Methods for Astrophysical Fluid Flow - Saas-Fee Advanced Course 27. Lecture Notes 1997 Swiss Society for... Computational Methods for Astrophysical Fluid Flow - Saas-Fee Advanced Course 27. Lecture Notes 1997 Swiss Society for Astrophysics and Astronomy (Hardcover)
Randall J LeVeque; Edited by Oskar Steiner, A. Gautschy; Dimitri Mihalas, E.A. Dorfi, …
R2,759 Discovery Miles 27 590 Ships in 18 - 22 working days

This book leads directly to the most modern numerical techniques for compressible fluid flow, with special consideration given to astrophysical applications. Emphasis is put on high-resolution shock-capturing finite-volume schemes based on Riemann solvers. The applications of such schemes, in particular the PPM method, are given and include large-scale simulations of supernova explosions by core collapse and thermonuclear burning and astrophysical jets. Parts two and three treat radiation hydrodynamics. The power of adaptive (moving) grids is demonstrated with a number of stellar-physical simulations showing very crispy shock-front structures.

Essential Maths for Engineering and Construction - How to avoid mistakes (Hardcover): Mark Breach Essential Maths for Engineering and Construction - How to avoid mistakes (Hardcover)
Mark Breach
R3,658 Discovery Miles 36 580 Ships in 10 - 15 working days

Don't let your mathematical skills fail you! In Engineering, Construction, and Science examinations, marks are often lost through carelessness or from not properly understanding the mathematics involved. When there are only a few marks on offer for a part of a question, there may be full marks for a right answer and none for a wrong one, regardless of the thought that went into the answer. If you want to avoid losing these marks by improving the clarity both of your mathematical work and your mathematical understanding, then Essential Maths for Engineering and Construction is the book for you.We all make mistakes; who doesn't? But mistakes can be avoided when we understand why we make them. Taking mistakes commonly made by undergraduate students as its entry point, this book not only looks at how you can prevent mistakes, but also provides a primer for the fundamental mathematical skills required for your degree discipline. Whether you struggle with different types of interest rates, geometry, statistics, calculus, or any of the other mathematical areas vital to your degree, this book will guide you around the pitfalls.

Analysis of Spherical Symmetries in Euclidean Spaces (Hardcover, 1998 ed.): Claus Muller Analysis of Spherical Symmetries in Euclidean Spaces (Hardcover, 1998 ed.)
Claus Muller
R2,777 Discovery Miles 27 770 Ships in 18 - 22 working days

This self-contained book offers a new and direct approach to the theories of special functions with emphasis on spherical symmetry in Euclidean spaces of arbitrary dimensions. Based on many years of lecturing to mathematicians, physicists and engineers in scientific research institutions in Europe and the USA, the author uses elementary concepts to present the spherical harmonics in a theory of invariants of the orthogonal group. One of the highlights is the extension of the classical results of the spherical harmonics into the complex - particularly important for the complexification of the Funk-Hecke formula which successfully leads to new integrals for Bessel- and Hankel functions with many applications of Fourier integrals and Radon transforms. Numerous exercises stimulate mathematical ingenuity and bridge the gap between well-known elementary results and their appearance in the new formations.

Dynamical Contact Problems with Friction - Models, Methods, Experiments and Applications (Hardcover, 2nd ed. 2007): Walter... Dynamical Contact Problems with Friction - Models, Methods, Experiments and Applications (Hardcover, 2nd ed. 2007)
Walter Sextro
R2,656 Discovery Miles 26 560 Ships in 18 - 22 working days

Friction contacts are used to transmit forces or to dissipate energy. The aim of this second edition is to describe an efficient procedure to model dynamical contact problems with friction. This procedure is applied to different practical problems and validated by experiments. A thorough understanding of friction phenomena can lead to improvements like the reduction of noise and maintenance costs, increased useful life of machines and improved energy efficiency.

Multigrid Methods IV - Proceedings of the Fourth European Multigrid Conference, Amsterdam, July 6-9, 1993 (Hardcover,... Multigrid Methods IV - Proceedings of the Fourth European Multigrid Conference, Amsterdam, July 6-9, 1993 (Hardcover, illustrated edition)
P. W. Hemker, Pieter Wesseling
R2,431 Discovery Miles 24 310 Ships in 18 - 22 working days

The past twenty years have shown a rapid growth in the theoretical understanding, useful applications and widespread acceptance of multigrid in the applied sciences, and new tasks continue to arise that are better addressed from a special multigrid point of view. These developments have served to make multigrid one of the key techniques in modern computing methods. Most prominent among the new issues are parallel computing and adaptive computations. Multigrid methods also have considerable impact on computational fluid dynamics. This influence is reflected in the present, carefully screened selection of contributions presented at the Fourth European Multigrid Conference in Amsterdam in 1993, all of which reflect the latest developments in this dynamic field.

Singular Perturbation Methods for Ordinary Differential Equations (Hardcover, 1991 ed.): Robert E., JR O'Malley Singular Perturbation Methods for Ordinary Differential Equations (Hardcover, 1991 ed.)
Robert E., JR O'Malley
R2,777 Discovery Miles 27 770 Ships in 18 - 22 working days

This book results from various lectures given in recent years. Early drafts were used for several single semester courses on singular perturbation meth ods given at Rensselaer, and a more complete version was used for a one year course at the Technische Universitat Wien. Some portions have been used for short lecture series at Universidad Central de Venezuela, West Vir ginia University, the University of Southern California, the University of California at Davis, East China Normal University, the University of Texas at Arlington, Universita di Padova, and the University of New Hampshire, among other places. As a result, I've obtained lots of valuable feedback from students and listeners, for which I am grateful. This writing continues a pattern. Earlier lectures at Bell Laboratories, at the University of Edin burgh and New York University, and at the Australian National University led to my earlier works (1968, 1974, and 1978). All seem to have been useful for the study of singular perturbations, and I hope the same will be true of this monograph. I've personally learned much from reading and analyzing the works of others, so I would especially encourage readers to treat this book as an introduction to a diverse and exciting literature. The topic coverage selected is personal and reflects my current opin ions. An attempt has been made to encourage a consistent method of ap proaching problems, largely through correcting outer limits in regions of rapid change. Formal proofs of correctness are not emphasized."

Mathematics for the Physical Sciences (Hardcover, 2002 ed.): James B. Seaborn Mathematics for the Physical Sciences (Hardcover, 2002 ed.)
James B. Seaborn
R1,427 Discovery Miles 14 270 Ships in 18 - 22 working days

This book is intended to provide a bridge from courses in general physics to the intermediate -level courses in classical mechanics, electrodynamics and quantum mechanics. It begins with a short review of some topics in physics that are then used throughout the book to provide the physical contexts for the mathematical methods that are developed: electrostatics, electric currents, magnetic flux, simple harmonic motion, and the rigid rotor. The next chapters treat vector algebra and vector calculus; the concept of magnetic flux serves to give physical meaning to the integral theorems. A short chapter on complex numbers provides the needed background for the remainder of the text. Ordinary differential equations arise in may physical contexts; the simple harmonic oscillator serves as the illustrative example. Examples from both classical and quantum physics illustrate the chapters on partial differential equations and eigenvalue problems: the quantum harmonic oscillator and a particle in a box, a conducting sphere in a uniform field and a vibrating drum head. The eigenvalue problem leads naturally to a discussion of orthogonal functions, which again use the quantum harmonic oscillator to provide the physical insight, and to matrices, where coupled oscillators and the principal axes of a rotating rigid body provide the physical context. The text concludes with a brief discussion of variational methods and the Euler-Lagrange equation. Problems at the end of each chapter give the student experience in applying mathematical methods to the solution of physical problems. Illustrative exercises throughout provide guidance. Many of the exercises call for graphical representations, and some are particularly amenable to the use of numerical methods.

Statistical Mechanics of Biocomplexity - Proceedings of the XV Sitges Conference, Held at Sitges, Barcelona, Spain, 8-12 June... Statistical Mechanics of Biocomplexity - Proceedings of the XV Sitges Conference, Held at Sitges, Barcelona, Spain, 8-12 June 1998 (Hardcover, 1999 ed.)
D. Reguera, J M G Vilar, J.M. Rubi
R1,586 Discovery Miles 15 860 Ships in 18 - 22 working days

This book demonstrates the usefulness of tools from statistical mechanics for biology. It includes the new tendencies in topics like membranes, vesicles, microtubules, molecular motors, DNA, protein folding, phase transitions in biological systems, evolution, population dynamics, neural systems and biological oscillators, with special emphasis on the importance of statistical mechanics in their development. The book addresses researchers and graduate students.

Advances in Applied Mathematics (Hardcover, 2014 ed.): Ali R. Ansari Advances in Applied Mathematics (Hardcover, 2014 ed.)
Ali R. Ansari
R3,649 R3,389 Discovery Miles 33 890 Save R260 (7%) Ships in 10 - 15 working days

This volume contains contributions from the Gulf International Conference in Applied Mathematics, held at the Gulf University for Science & Technology. The proceedings reflects the three major themes of the conference. The first of these was mathematical biology, including a keynote address by Professor Philip Maini. The second theme was computational science/numerical analysis, including a keynote address by Professor Grigorii Shishkin. The conference also addressed more general applications topics, with papers in business applications, fluid mechanics, optimization, scheduling problems and engineering applications, as well as a keynote by Professor Ali Nayfeh.

Search Theory - A Game Theoretic Perspective (Hardcover, 2013 ed.): Steve Alpern, Robbert Fokkink, Leszek Gasieniec, Roy... Search Theory - A Game Theoretic Perspective (Hardcover, 2013 ed.)
Steve Alpern, Robbert Fokkink, Leszek Gasieniec, Roy Lindelauf, V.S. Subrahmanian
R4,220 R3,415 Discovery Miles 34 150 Save R805 (19%) Ships in 10 - 15 working days

Search games and rendezvous problems have received growing attention in computer science within the past few years. Rendezvous problems emerge naturally, for instance, to optimize performance and convergence of mobile robots. This gives a new algorithmic point of view to the theory. Furthermore, modern topics such as the spreading of gossip or disease in social networks have lead to new challenging problems in search and rendezvous.

"Search Theory: A Game Theoretic Perspective" introduces the first integrated approach to Search and Rendezvous from the perspectives ofbiologists, computer scientists and mathematicians. This contributed volume covers a wide range of topics including rendezvous problems and solutions, rendezvous on graphs, search games on biology, mobility in governed social networks, search and security, and more. Most chapters also include case studies or a survey, in addition to a chapter on the future direction of Search and Rendezvous research.

This book targets researchers and practitioners working in computer science, mathematics and biology as a reference book. Advanced level students focused on these fields will also find this book valuable as a secondary text book orreference."

Weakly Connected Neural Networks (Hardcover, 1997 ed.): Frank C. Hoppensteadt, Eugene M. Izhikevich Weakly Connected Neural Networks (Hardcover, 1997 ed.)
Frank C. Hoppensteadt, Eugene M. Izhikevich
R4,011 Discovery Miles 40 110 Ships in 18 - 22 working days

Devoted to local and global analysis of weakly connected systems with applications to neurosciences, this book uses bifurcation theory and canonical models as the major tools of analysis. It presents a systematic and well motivated development of both weakly connected system theory and mathematical neuroscience, addressing bifurcations in neuron and brain dynamics, synaptic organisations of the brain, and the nature of neural codes. The authors present classical results together with the most recent developments in the field, making this a useful reference for researchers and graduate students in various branches of mathematical neuroscience.

DNA Systems Under Internal and External Forcing - An Exploration Using Coarse-Grained Modelling (Hardcover, 1st ed. 2019):... DNA Systems Under Internal and External Forcing - An Exploration Using Coarse-Grained Modelling (Hardcover, 1st ed. 2019)
Megan Clare Engel
R2,653 Discovery Miles 26 530 Ships in 18 - 22 working days

The interactions of DNA with force are central to manifold fields of inquiry, including the de novo design of DNA nanostructures, the use of DNA to probe the principles of biological self-assembly, and the operation of cellular nanomachines. This work presents a survey of three distinct ways coarse-grained simulations can help characterize these interactions. A non-equilibrium energy landscape reconstruction technique is validated for use with the oxDNA model and a practical framework to guide future applications is established. A novel method for calculating entropic forces in DNA molecules is outlined and contrasted with existing, flawed approaches. Finally, a joint experimental-simulation study of large DNA origami nanostructures under force sheds light on design principles and, through vivid illustrations, their unfolding process. This text provides an accessible and exciting launching point for any student interested in the computational study of DNA mechanics and force interactions.

Mathematical Models in Electrical Circuits: Theory and Applications (Hardcover, 1991 ed.): C.A. Marinov, Pekka Neittaanmaki Mathematical Models in Electrical Circuits: Theory and Applications (Hardcover, 1991 ed.)
C.A. Marinov, Pekka Neittaanmaki
R1,496 Discovery Miles 14 960 Ships in 18 - 22 working days

One service mathematics has rendered the 'Et moi, .... si favait su comment en revenir, je n'y seTais point alle.' human race. It has put common sense back Jules Verne where it belongs. on the topmost shelf next to the dusty canister labelled 'discarded n- sense', The series is divergent; therefore we may be Eric T. Bell able to do something with it. O. Heaviside Mathematics is a tool for thought. A highly necessary tool in a world where both feedback and non linearities abound. Similarly, all kinds of parts of mathematics serve as tools for other parts and for other sciences. Applying a simple rewriting rule to the quote on the right above one finds such statements as: 'One service topology has rendered mathematical physics .. .'; 'One scrvice logic has rendered com puter science .. .'; 'One service category theory has rendcred mathematics .. .'. All arguably true. And all statements obtainable this way form part of the raison d'e"tre of this scries."

Numerical Mathematics and Advanced Applications ENUMATH 2017 (Hardcover, 1st ed. 2019): Florin Adrian Radu, Kundan Kumar, Inga... Numerical Mathematics and Advanced Applications ENUMATH 2017 (Hardcover, 1st ed. 2019)
Florin Adrian Radu, Kundan Kumar, Inga Berre, Jan Martin Nordbotten, Iuliu Sorin Pop
R5,382 Discovery Miles 53 820 Ships in 18 - 22 working days

This book collects many of the presented papers, as plenary presentations, mini-symposia invited presentations, or contributed talks, from the European Conference on Numerical Mathematics and Advanced Applications (ENUMATH) 2017. The conference was organized by the University of Bergen, Norway from September 25 to 29, 2017. Leading experts in the field presented the latest results and ideas in the designing, implementation, and analysis of numerical algorithms as well as their applications to relevant, societal problems. ENUMATH is a series of conferences held every two years to provide a forum for discussing basic aspects and new trends in numerical mathematics and scientific and industrial applications. These discussions are upheld at the highest level of international expertise. The first ENUMATH conference was held in Paris in 1995 with successive conferences being held at various locations across Europe, including Heidelberg (1997), Jyvaskyla (1999), lschia Porto (2001), Prague (2003), Santiago de Compostela (2005), Graz (2007), Uppsala (2009), Leicester (2011), Lausanne (2013), and Ankara (2015).

Interdisciplinary Applications of Kinematics - Proceedings of the International Conference, Lima, Peru, September 9-11, 2013... Interdisciplinary Applications of Kinematics - Proceedings of the International Conference, Lima, Peru, September 9-11, 2013 (Hardcover, 2015 ed.)
Andres Kecskemethy, Francisco Geu Flores
R5,909 R3,335 Discovery Miles 33 350 Save R2,574 (44%) Ships in 10 - 15 working days

This book collects a number of important contributions presented during the Second Conference on Interdisciplinary Applications of Kinematics (IAK 2013) held in Lima, Peru. The conference brought together scientists from several research fields, such as computational kinematics, multibody systems, industrial machines, robotics, biomechanics, mechatronics, computational chemistry, and vibration analysis, and embraced all key aspects of kinematics, namely, theoretical methods, modeling, optimization, experimental validation, industrial applications, and design. Kinematics is an exciting area of computational mechanics and plays a central role in a great variety of fields and industrial applications nowadays. Apart from research in pure kinematics, the field deals with problems of practical relevance that need to be solved in an interdisciplinary manner in order for new technologies to develop. The results presented in this book should be of interest for practicing and research engineers as well as Ph.D. students from the fields of mechanical and electrical engineering, computer science, and computer graphics.

Fluid Dynamics - Theory, Computation, and Numerical Simulation (Hardcover, 2nd ed. 2009): Constantine Pozrikidis Fluid Dynamics - Theory, Computation, and Numerical Simulation (Hardcover, 2nd ed. 2009)
Constantine Pozrikidis
R3,411 Discovery Miles 34 110 Ships in 10 - 15 working days

Ready access to computers has de?ned a new era in teaching and learning. The opportunity to extend the subject matter of traditional science and engineering curricula into the realm of scienti?c computing has become not only desirable, but also necessary. Thanks to portability and low overhead and operating cost, experimentation by numerical simulation has become a viable substitute, and occasionally the only alternative, to physical experimentation. The new framework has necessitated the writing of texts and monographs from a modern perspective that incorporates numerical and computer progr- ming aspects as an integral part of the discourse. Under this modern directive, methods, concepts, and ideas are presented in a uni?ed fashion that motivates and underlines the urgency of the new elements, but neither compromises nor oversimpli?es the rigor of the classical approach. Interfacing fundamental concepts and practical methods of scienti?c c- puting can be implemented on di?erent levels. In one approach, theory and implementation are kept complementary and presented in a sequential fashion. In another approach, the coupling involves deriving computational methods and simulation algorithms, and translating equations into computer code - structions immediately following problem formulations. Seamlessly interjecting methods of scienti?c computing in the traditional discourse o?ers a powerful venue for developing analytical skills and obtaining physical insight.

Fluid Dynamics of Viscoelastic Liquids (Hardcover, 1990 ed.): Daniel D. Joseph Fluid Dynamics of Viscoelastic Liquids (Hardcover, 1990 ed.)
Daniel D. Joseph
R2,804 Discovery Miles 28 040 Ships in 18 - 22 working days

This book is about two special topics in rheological fluid mechanics: the elasticity of liquids and asymptotic theories of constitutive models. The major emphasis of the book is on the mathematical and physical consequences of the elasticity of liquids; seventeen of twenty chapters are devoted to this. Constitutive models which are instantaneously elastic can lead to some hyperbolicity in the dynamics of flow, waves of vorticity into rest (known as shear waves), to shock waves of vorticity or velocity, to steady flows of transonic type or to short wave instabilities which lead to ill-posed problems. Other kinds of models, with small Newtonian viscosities, give rise to perturbed instantaneous elasticity, associated with smoothing of discontinuities as in gas dynamics. There is no doubt that liquids will respond like elastic solids to impulses which are very rapid compared to the time it takes for the molecular order associated with short range forces in the liquid, to relax. After this, all liquids look viscous with signals propagating by diffusion rather than by waves. For small molecules this time of relaxation is estimated as lQ-13 to 10-10 seconds depending on the fluids. Waves associated with such liquids move with speeds of 1 QS cm/s, or even faster. For engineering applications the instantaneous elasticity of these fluids is of little interest; the practical dynamics is governed by diffusion, *say, by the Navier-Stokes equations. On the other hand, there are other liquids which are known to have much longer times of relaxation.

Spotlight Synthetic Aperture Radar - Signal Processing Algorithms (Hardcover): Walter C. Carrara, Etc, Ron S. Goodman, Ronald... Spotlight Synthetic Aperture Radar - Signal Processing Algorithms (Hardcover)
Walter C. Carrara, Etc, Ron S. Goodman, Ronald M. Majewski, Williams
R4,518 Discovery Miles 45 180 Ships in 18 - 22 working days

Authored by engineers for engineers, this book is designed to be a practical and easy-to-understand solution sourcebook for real-world high-resolution and spot-light SAR image processing. Widely-used algorithms are presented for both system errors and propagation phenomena as well as numerous formerly-classified image examples. As well as providing the details of digital processor implementation, the text presents the polar format algorithm and two modern algorithms for spot-light image formation processing - the range migration algorithm and the chirp scaling algorithm. Bearing practical needs in mind, the authors have included an entire chapter devoted to SAR system performance including image quality metrics and image quality assessment. Another chapter contains image formation processor design examples for two operational fine-resolution SAR systems. This is a reference for radar engineers, managers, system developers, and for students in high-resolution microwave imaging courses. It includes 662 equations, 265 figures, and 55 tables.

Finsler Geometry, Relativity and Gauge Theories (Hardcover, 1985 ed.): G.S. Asanov Finsler Geometry, Relativity and Gauge Theories (Hardcover, 1985 ed.)
G.S. Asanov
R5,347 Discovery Miles 53 470 Ships in 18 - 22 working days

The methods of differential geometry have been so completely merged nowadays with physical concepts that general relativity may well be considered to be a physical theory of the geometrical properties of space-time. The general relativity principles together with the recent development of Finsler geometry as a metric generalization of Riemannian geometry justify the attempt to systematize the basic techniques for extending general relativity on the basis of Finsler geometry. It is this endeavour that forms the subject matter of the present book. Our exposition reveals the remarkable fact that the Finslerian approach is automatically permeated with the idea of the unification of the geometrical space-time picture with gauge field theory - a circumstance that we try our best to elucidate in this book. The book has been written in such a way that the reader acquainted with the methods of tensor calculus and linear algebra at the graduate level can use it as a manual of Finslerian techniques orientable to applications in several fields. The problems attached to the chapters are also intended to serve this purpose. This notwithstanding, whenever we touch upon the Finslerian refinement or generalization of physical concepts, we assume that the reader is acquainted with these concepts at least at the level of the standard textbooks, to which we refer him or her.

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