Publisher Description

Don't miss A to Z Mysteries—alphabetic adventures that are full of thrills, chills, and cases to crack
R is for Racehorse...
In the eighteenth book of the A to Z Mysteries—an early chapter book mystery series featuring strong boy and girl characters—Dink, Josh, and Ruth Rose are excited to see Uncle Warren's new racehorse, Whirlaway, in action. But the night before the big race, the horse disappears He shows up the next day, just in time to lose the race. Why is Whirlaway suddenly so slow? Can the kids figure it out - or is Whirlaway out of the winner's circle for good?
Each book includes a map and a letter from the author. Parents, teachers, and librarians agree that these highly collectible chapter books are perfect for emerging readers and any kid who love mysteries

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Stochastic Programming Problems with Probability and Quantile Functions, Andrey I. Kibzun and Yuri S. Kan, Moscow Aviation Institute, Moscow, RussiaStochastic programming methods are used increasingly to help solve optimization problems in many areas of scientific research, business and industry. Until now, publications on the subject have been confined mainly to disparate sources, making this the first book to provide a unified and rigorous treatment. The probability function can be written formally as the expectation of the set indicator function. However, known optimization methods do not work because of the non-smoothness of the indicator function. Specific methods are required for solving these problems. After presenting examples of various models for several applied problems the book covers basic theoretical results and differing methods for calculating probability and quantile functions. The final chapter describes and compares numerical algorithms for the solution of stochastic programming problems with probabilistic objectives. As well as providing a clear introduction to the subject, the authors comprehensively cover all major results in the area. Numerous examples, models and algorithms are given, taken mostly from real problems in business and engineering. The book will be of interest to advanced students and researchers in operations research, statistics, engineering and economics.

Author Biography

When he's not writing a thrilling new A to Z Mystery or Capital Mystery, Ron Roy spends his time traveling all over the country and restoring his Connecticut farmhouse. "From the Trade Paperback edition."

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Fast paced, collectible mysteries for beginning chapter-book readers!

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