Researchers at the Los Alamos National Laboratory (LANL) are interested in quantitatively reconstructing an object using Abel transform x-ray tomography. Specifically, they obtain a radiograph by x-raying an object and attempt to quantitatively determine the number and types of materials and the thicknesses of each material layer. Their current methodologies either fail to provide a quantitative description of the object or are generally too slow to be useful in practice. As an alternative, the problem is modeled here as a mixed variable programming (MVP) problem, in which some variables are nonnumeric and for which no derivative information is available. The generalized pattern search (GPS) algorithm for linearly constrained MVP problems is applied to the x-ray tomography problem, by means of the NOMADm MATLABr software package. Numerical results are provided for several test configurations of cylindrically symmetrical objects and show that, while there are difficulties to be overcome by researchers at LANL, this method is promising for solving x-ray tomography object reconstruction problems in practice.

This scarce antiquarian book is a selection from Kessinger Publishing's Legacy Reprint Series. Due to its age, it may contain imperfections such as marks, notations, marginalia and flawed pages. Because we believe this work is culturally important, we have made it available as part of our commitment to protecting, preserving, and promoting the world's literature. Kessinger Publishing is the place to find hundreds of thousands of rare and hard-to-find books with something of interest for everyone

This scarce antiquarian book is a selection from Kessinger Publishing's Legacy Reprint Series. Due to its age, it may contain imperfections such as marks, notations, marginalia and flawed pages. Because we believe this work is culturally important, we have made it available as part of our commitment to protecting, preserving, and promoting the world's literature. Kessinger Publishing is the place to find hundreds of thousands of rare and hard-to-find books with something of interest for everyone!

School teachers and administrators may be the largest single group of rule enforcers in American society. Operating under legislative statutes, court cases, board policies, program regulations, and so on, there appears to be no end to that part of their professional tasks that calls for them to be on-the-spot enforcers in an adult to child relationship. Using constitutionality of operations within a school as its central focal point, the book takes both the broader and the narrower aspects of the law and combines them to provide an extended understanding of the realities in which professionals must perform as employees in elementary and secondary schools. Organized into twelve broad topic areas, the handbook covers all key aspects of the law as it applies from administering personnel to religion in the schools. Appropriate court cases are cited throughout. This professional guide will be useful for teachers with an interest in school law, for graduate students preparing for a career in school administration, and for administrators in need of a precise, but succinct treatment of the law and schools.

This volume combines both the broader and narrower aspects of school-related law to provide increased understanding of the legal realities and responsibilities of American teachers and administrators. The book depicts the flow of authority in American polity, from the national level in the Constitution's grant of power in the Tenth Amendment to the local level in the development of policy by local school boards. Selected statutes and cases provide a framework of national rulings on educational matters, but the emphasis is on the role of the state as the critical force in decision making for schools. This book is pragmatic, rather than theoretical, and is aimed at the practitioner. Citations provide ready reference for dealing with daily problems that may have legal ramifications.