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Finally, this book is divided into 9 parts, one for each author, each one got his own way of coding and that is funny to see how they solve different problems, they got their touch !!
So, designers, coders get this book !!!!!!!
Particularly, I found the chapters on video and 3D, runtime 3D, "bezier creatures", and the set interval enticing. You should see the chapter on runtime 3D! A _full_ library of 3d code that is extremely easy to use (including incredibly insightful comments in the code). You do not need to know much math to make some crazy effects. Also the chapter on video and Flash enlightened me as I did not know of flash's capabilities in this field.
So, in the end, get this book! It is awe inspiring.
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After a brief introduction to constraint programming, the authors introduce three types of constraints that exist in constraint programming, namely arithmetic, tree, and finite domain. They also introduce three operations involving constraints: satisfiability, simplification, and optimization. The authors spend most of the chapter on the question of satisfiability. Constraints are defined from the standpoint of mathematical logic, along with what it means for them to be satisfiable, and a discussion on modeling with arithmetic constraints and constraint satisfaction is given with an example from electric circuits. Tree constraints are then discussed with an example of a C-language binary tree used to motivate the discussion. Boolean constraints are then discussed, along with sequence constraints, which are shown to have an interesting application to DNA mapping and decoding. An application to artificial intelligence is given, and this one involves constraints that are not taken from mathematics. The authors
finish the chapter with a discussion of constraint solving using local propagation, a technique used in graph theory.
The authors discuss the simplification and optimization of constraints in the next chapter. They show when constraints are redundant, give rules for deciding when one constraint is equivalent to another, and show how using projection can allow the simplifying of a constraint with respect to the variables of interest. When projection cannot be done, they then show how to add variables to a constraint in order to achieve simplification. The (polynomial-time) Dantzig simplex algorithm is discussed for problems with linear real arithmetic constraints. Algorithms are discussed for deciding when two constraints are equivalent or when one implies the other.
In chapter 3, the authors discuss constraint problems for the case where the constraint domain is a finite set. The arc and node consistency, bounds propagation, and integer programming techniques, familiar from AI and operations research, are discussed in detail. The famous N-queens problem is introduced as motivation for the constraint satisfaction problem. The free-ware Prolog package ECLiPSe is introduced in the practical exercises. The authors give references to an interesting application of constraint satisfaction problems to planning gene-splicing experiments (the MOLGEN system).
The next part of the book concerns the constraint logic programming (CLP) paradigm wherein the authors define constraint logic programs and programming techniques. The reader familiar with logic programming (Prolog for example), will clearly see the influence of ideas from that area, such as rules, goals, rewriting, and derivations. An interesting and useful example of applying CLP to the modeling of options trading is given. Also, the authors show how to employ some of the more common data structures, such as lists and binary trees into CLP. In addition, they show how one can measure the efficiency of a CLP program, and how to improve it using various programming techniques to reduce the search space. The authors show how CLP can be implemented for both cases of infinite and finite domain constraints.
In the last part of the book the authors discuss other ways of viewing constraint logic programs, such as thinking it in terms of a database, called a constraint database. The discussion is very interesting, for the authors show how they are generalizations of the standard databases, and they show how the usual evaluation techniques in CLP, such as backtracking, must be generalized if one is to efficiently implement constraint databases. This "bottom-up" evaluation is compared with the "top-down"; approach usually employed. They show in great detail how constraint databases are a natural generalization of relational databases. They also show how CLP can be generalized to the case of concurrent constraint programming, where agents can execute concurrently and communicate via some global constraint in memory. In addition, they give a brief overview of how CLP can be implemented into the functional and imperative programming paradigms. They mention the use of various commercial packages for doing constraint programming, such as Mathematica, Maple, Macsyma, and ILOG SOLVER. Since the time of publication a very powerful commercial package, called ILOG OPL has appeared.
The applications of constraint programming are mushrooming, and I have found it to be a very powerful tool for example in network modeling and simulation, and in mathematical portfolio analysis, although sometimes one must be patient because of performance. The programming methodologies used are different than the usual ones, but I find them to be very effective for program transparency and economy of thought. Others have also apparently found constraint programming to be useful, for example the problem of protein structure prediction has recently made heavy use of constraint programming techniques. Other recent uses of CLP include a system for transport planning and scheduling for a large food industry, a system for a TV/radio company to plan and control the assignment of journalists and technicians to different emissions, and a system to develop work plans and schedules for train drivers and conductors, optimal planning of digital cordless communication systems, and nuclear fuel transportation and scheduling.
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The reader will understand that this was written quite some time ago and will see how far we have come in treating the disease and the many side effects that AIDS causes, but still connects with the writer and her son as they wage war against the deadly disease.
Make sure you have plenty of tissues on hand as you will step into thier world and feel every ounce of emotion on every page.
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for i locked a yellowdoor
and i threw away the key
and i spent summer with monika
and monika spent summer with me
...
somedays we thought about the seaside
and built sandcastles on the blankets
and paddled in the pillows
or swam in the sink
and played with the shoals of dishes
Through conflict:
your finger
sadly
has a familiar ring
about it
Through resignation:
we nolonger stroll along the beaches of the bed
or snuggle in the longgrass of the carpets
the room nolonger a world
for makebelieving in
but a ceiling and four walls
that are for living in
--------------------------
roger mcgough
sadly
is discounted
because realpoems
can't be
funny
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This book is pretty interesting. It is about artists who share what they like to draw and about their lives. They are asked questions such as, "Do you have any kids or pets?" The illustrators show some of pictures that they drew when they were children. They also show how the children illustrators got their inspiration to draw.
I liked this book because it was neat to see how good some of the kids are at drawing and then to see them draw as they are older. Also that was cool it showed how to draw pictures in the back of the book. I recommend this book to people who are just stating to draw and people that want to read an interesting book.
The styles of the artists are very diverse and they use many different techniques that kids and adults alike would like to try out. I highly recommend this book!
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"French Lessons" is vintage Peter Mayle. While I enjoy Mayle's fiction as a light and fun change of pace, I really think he is at the top of his form when writing non-fiction. "French Lessons," like the classic, "A Year in Provence," is simply charming. There is just no other way to describe it. The book charms and beguiles you; you lose yourself in it and time just flies. No one seems better able to describe the "real" France than Peter Mayle. And it shows. Most definitely.
Just as with Mayle's previous non-fiction books, I found I could relate to just about everything he wrote in "French Lessons." I had had similar experiences in Provence, in Paris, in the Loire, in Burgundy. One can learn about more than food in this book; Mayle also details the social customs of the areas and the idiosyncrasies of the people. I learned there are people who attend Mass to give thanks for the truffle, a festival where snails are eaten by the dozen and washed down with Gewurztraminer, and an actual "cheese hall of fame" in the town of Livarot. The person honored with the award from this particular hall of fame is expected to eat as much livarot cheese as possible. In another such festival, frogs' legs are the celebrated foodstuff. The annual celebration of the bleu footed poulet in Bourg-en-Bresse and the Marathon du Medoc made for especially hilarious reading.
Mayle takes us from region to region and from town to town...all in the name of great food. We visit festivals, restaurants, chateaux and so many town squares, I lost count. Mayle's descriptions of the festivals and his historical notes are particularly interesting, especially to anyone who is planning to visit France. After reading this book, he or she will surely come away knowing what is, and what isn't, authentic French food.
Throughout this book, Mayle writes in his characteristically charming, witty and urbane manner. His is a style that suits the subject matter of this book perfectly.
I do think that those readers who have actually traveled to the south of France at least once, will find more to love in this book than those readers who are unfamiliar with the area. But familiar or not, Mayle and this book will certainly charm. "French Lessons" is a witty, and sometimes hilarious book that is guaranteed to ensure an enjoyable afternoon in the sun.
However, most botanist may not be pleased to know that little attention was paid to plant viruses. Again, many potential buyers may be demoralized by the rather high price that this virology-set demands.