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The book provides the reader with the different types of functional
equations that s/he can find in practice, showing, step by step,
how they can be solved.
A general methodology for solving functional equations is provided
in Chapter 2. The different types of functional equations are
described and solved in Chapters 3 to 8. Many examples, coming from
different fields, as geometry, science, engineering, economics,
probability, statistics, etc, help the reader to change his/her
mind in order to state problems as functional equations as an
alternative to differential equations, and to state new problems in
terms of functional equations or systems.
An interesting feature of the book is that it deals with functional
networks, a powerful generalization of neural networks that allows
solving many practical problems. The second part of the book,
Chapters 9 to 13, is devoted to the applications of this important
paradigm.
The book contains many examples and end of chapter exercises, that
facilitates the understanding of the concepts and applications.
- A general methodology for solving functional equations is
provided in Chapter 2.
- It deals with functional networks, a powerful generalization of
neural networks.
- Many examples, coming from different fields, as geometry,
science, engineering, economics, probability, statistics, etc,
illustrate the concept of functional equation.
- Functional equations are presented as a powerful alternative to
differential equations.
- The book contains end of chapter exercises.
This book is a comprehensive guide to extreme value theory in
engineering. Written for the end user with intermediate and
advanced statistical knowledge, it covers classical methods as well
as recent advances. A collection of 150 examples illustrates the
theoretical results and takes the reader from simple applications
through complex cases of dependence.
This book is an attempt to provide a uni?ed methodology to derive
models for fatigue life. This includes S-N, ?-N and crack
propagation models. This is not a conventional book aimed at
describing the fatigue fundamentals, but rather a book in which the
basic models of the three main fatigue approaches, the
stress-based, the strain-based and the fracture mechanics
approaches, are contemplated from a novel and integrated point of
view. On the other hand, as an alternative to the preferential
attention paid to deterministic models based on the physical,
phenomenological and empirical description of fatigue, their
probabilistic nature is emphasized in this book, in which
stochastic fatigue and crack growth models are presented. This book
is the result of a long period of close collaborationbetween its
two authors who, although of di?erent backgrounds, mathematical and
mechanical, both have a strong sense of engineering with respect to
the fatigue problem. When the authors of this book ?rst approached
the fatigue ?eld in 1982 (twenty six years ago), they found the
following scenario: 1. Linear, bilinear or trilinear models were
frequently proposed by relevant
laboratoriesandacademiccenterstoreproducetheW] ohler?eld. Thiswas
the case of well known institutions, which justi?ed these models
based on clientrequirementsorpreferences.
Thisledtotheinclusionofsuchmodels and methods as, for example, the
up-and-down, in standards and o?cial practical directives (ASTM,
Euronorm, etc.), which have proved to be unfortunate."
Optimization plainly dominates the design, planning, operation, and
c- trol of engineering systems. This is a book on optimization that
considers particular cases of optimization problems, those with a
decomposable str- ture that can be advantageously exploited. Those
decomposable optimization problems are ubiquitous in engineering
and science applications. The book considers problems with both
complicating constraints and complicating va- ables, and analyzes
linear and nonlinear problems, with and without in- ger variables.
The decomposition techniques analyzed include Dantzig-Wolfe,
Benders, Lagrangian relaxation, Augmented Lagrangian decomposition,
and others. Heuristic techniques are also considered. Additionally,
a comprehensive sensitivity analysis for characterizing the
solution of optimization problems is carried out. This material is
particularly novel and of high practical interest. This book is
built based on many clarifying, illustrative, and compu- tional
examples, which facilitate the learning procedure. For the sake of
cl- ity, theoretical concepts and computational algorithms are
assembled based on these examples. The results are simplicity,
clarity, and easy-learning. We feel that this book is needed by the
engineering community that has to tackle complex optimization
problems, particularly by practitioners and
researchersinEngineering, OperationsResearch,
andAppliedEconomics.The descriptions of most decomposition
techniques are available only in complex and specialized
mathematical journals, di?cult to understand by engineers. A book
describing a wide range of decomposition techniques, emphasizing
problem-solving, and appropriately blending theory and application,
was not previously availabl
The purpose of this book is to honor the fundamental
contributions to many different areas of statistics made by Barry
Arnold. Distinguished and active researchers highlight some of the
recent developments in statistical distribution theory, order
statistics and their properties, as well as inferential methods
associated with them. Applications to survival analysis,
reliability, quality control, and environmental problems are
emphasized.
The concept of conditional specification of distributions is not new but, except in normal families, it has not been well developed in the literature. Computational difficulties undoubtedly hindered or discouraged developments in this direction. However, such roadblocks are of dimished importance today. Questions of compatibility of conditional and marginal specifications of distributions are of fundamental importance in modeling scenarios. Models with conditionals in exponential families are particularly tractable and provide useful models in a broad variety of settings.
A general introduction to expert systems dealing with uncertainty
and learning methods; describing the most common methods and
pointing out their deficiencies.
This book introduces functional networks', a novel neural-based
paradigm, and shows that functional network architectures can be
efficiently applied to solve many interesting practical problems.
Included is an introduction to neural networks, a description of
functional networks, examples of applications, and computer
programs in Mathematica and Java languages implementing the various
algorithms and methodologies. Special emphasis is given to
applications in several areas such as: Box-Jenkins AR(p), MA(q),
ARMA(p, q), and ARIMA (p, d, q) models with application to
real-life economic problems such as the consumer price index,
electric power consumption and international airlines' passenger
data. Random time series and chaotic series are considered in
relation to the HA(c)non, Lozi, Holmes and Burger maps, as well as
the problems of noise reduction and information masking. Learning
differential equations from data and deriving the corresponding
equivalent difference and functional equations. Examples of a mass
supported by two springs and a viscous damper or dashpot, and a
loaded beam, are used to illustrate the concepts. The problem of
obtaining the most general family of implicit, explicit and
parametric surfaces as used in Computer Aided Design (CAD).
Applications of functional networks to obtain general nonlinear
regression models are given and compared with standard techniques.
Functional Networks with Applications: A Neural-Based Paradigm will
be of interest to individuals who work in computer science,
physics, engineering, applied mathematics, statistics, economics,
and other neural networks and data analysis related fields.
Efforts to visualize multivariate densities necessarily involve the
use of cross-sections, or, equivalently, conditional densities.
This book focuses on distributions that are completely specified in
terms of conditional densities. They are appropriately used in any
modeling situation where conditional information is completely or
partially available. All statistical researchers seeking more
flexible models than those provided by classical models will find
conditionally specified distributions of interest.
This book introduces 'functional networks', a novel neural-based
paradigm, and shows that functional network architectures can be
efficiently applied to solve many interesting practical problems.
Included is an introduction to neural networks, a description of
functional networks, examples of applications, and computer
programs in Mathematica and Java languages implementing the various
algorithms and methodologies. Special emphasis is given to
applications in several areas such as: * Box-Jenkins AR(p), MA(q),
ARMA(p, q), and ARIMA (p, d, q) models with application to
real-life economic problems such as the consumer price index,
electric power consumption and international airlines' passenger
data. Random time series and chaotic series are considered in
relation to the Henon, Lozi, Holmes and Burger maps, as well as the
problems of noise reduction and information masking. * Learning
differential equations from data and deriving the corresponding
equivalent difference and functional equations. Examples of a mass
supported by two springs and a viscous damper or dashpot, and a
loaded beam, are used to illustrate the concepts.* The problem of
obtaining the most general family of implicit, explicit and
parametric surfaces as used in Computer Aided Design (CAD). *
Applications of functional networks to obtain general nonlinear
regression models are given and compared with standard techniques.
Functional Networks with Applications: A Neural-Based Paradigm will
be of interest to individuals who work in computer science,
physics, engineering, applied mathematics, statistics, economics,
and other neural networks and data analysis related fiel
Artificial intelligence and expert systems have seen a great deal
of research in recent years, much of which has been devoted to
methods for incorporating uncertainty into models. This book is
devoted to providing a thorough and up-to-date survey of this field
for researchers and students.
This book is an attempt to provide a uni?ed methodology to derive
models for fatigue life. This includes S-N, ?-N and crack
propagation models. This is not a conventional book aimed at
describing the fatigue fundamentals, but rather a book in which the
basic models of the three main fatigue approaches, the
stress-based, the strain-based and the fracture mechanics
approaches, are contemplated from a novel and integrated point of
view. On the other hand, as an alternative to the preferential
attention paid to deterministic models based on the physical,
phenomenological and empirical description of fatigue, their
probabilistic nature is emphasized in this book, in which
stochastic fatigue and crack growth models are presented. This book
is the result of a long period of close collaborationbetween its
two authors who, although of di?erent backgrounds, mathematical and
mechanical, both have a strong sense of engineering with respect to
the fatigue problem. When the authors of this book ?rst approached
the fatigue ?eld in 1982 (twenty six years ago), they found the
following scenario: 1. Linear, bilinear or trilinear models were
frequently proposed by relevant
laboratoriesandacademiccenterstoreproducetheW] ohler?eld. Thiswas
the case of well known institutions, which justi?ed these models
based on clientrequirementsorpreferences.
Thisledtotheinclusionofsuchmodels and methods as, for example, the
up-and-down, in standards and o?cial practical directives (ASTM,
Euronorm, etc.), which have proved to be unfortunate."
Optimization plainly dominates the design, planning, operation, and
c- trol of engineering systems. This is a book on optimization that
considers particular cases of optimization problems, those with a
decomposable str- ture that can be advantageously exploited. Those
decomposable optimization problems are ubiquitous in engineering
and science applications. The book considers problems with both
complicating constraints and complicating va- ables, and analyzes
linear and nonlinear problems, with and without in- ger variables.
The decomposition techniques analyzed include Dantzig-Wolfe,
Benders, Lagrangian relaxation, Augmented Lagrangian decomposition,
and others. Heuristic techniques are also considered. Additionally,
a comprehensive sensitivity analysis for characterizing the
solution of optimization problems is carried out. This material is
particularly novel and of high practical interest. This book is
built based on many clarifying, illustrative, and compu- tional
examples, which facilitate the learning procedure. For the sake of
cl- ity, theoretical concepts and computational algorithms are
assembled based on these examples. The results are simplicity,
clarity, and easy-learning. We feel that this book is needed by the
engineering community that has to tackle complex optimization
problems, particularly by practitioners and
researchersinEngineering, OperationsResearch,
andAppliedEconomics.The descriptions of most decomposition
techniques are available only in complex and specialized
mathematical journals, di?cult to understand by engineers. A book
describing a wide range of decomposition techniques, emphasizing
problem-solving, and appropriately blending theory and application,
was not previously availabl
This textbook deals with tensors that are treated as vectors.
Coverage details such new tensor concepts as the rotation of
tensors, the transposer tensor, the eigentensors, and the
permutation tensor structure. The book covers an existing gap
between the classic theory of tensors and the possibility of
solving tensor problems with a computer. A complementary computer
package, written in Mathematica, is available through the
Internet.
The concept of conditional specification is not new. It is likely
that earlier investigators in this area were deterred by
computational difficulties encountered in the analysis of data
following con ditionally specified models. Readily available
computing power has swept away that roadblock. A broad spectrum of
new flexible models may now be added to the researcher's tool box.
This mono graph provides a preliminary guide to these models.
Further development of inferential techniques, especially those
involving concomitant variables, is clearly called for. We are
grateful for invaluable assistance in the preparation of this
monograph. In Riverside, Carole Arnold made needed changes in
grammer and punctuation and Peggy Franklin miraculously transformed
minute hieroglyphics into immaculate typescript. In Santander,
Agustin Manrique ex pertly transformed rough sketches into clear
diagrams. Finally, we thank the University of Cantabria for
financial support which made possible Barry C. Arnold's enjoyable
and productive visit to S- tander during the initial stages of the
project. Barry C. Arnold Riverside, California USA Enrique Castillo
Jose Maria Sarabia Santander, Cantabria Spain January, 1991
Contents 1 Conditional Specification 1 1.1 Why? .............
........ . 1 1.2 How may one specify a bivariate distribution? 2
1.3 Early work on conditional specification 4 1.4 Organization of
this monograph . . . . . . . . . . . . . . . . . . . . . . . . . .
. .. 5 2 Basic Theorems 7 Compatible conditionals: The finite
discrete case.
24 Poems of the heart is a Poetry book based on life experiences
you may come across in a day to day basis. It touches different
emotions such a joy, sadness and the perception of life it's self.
It demonstrates a romantic heart which has been hurt trough out
life but still, it desires to love and be loved though the
adversities.
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