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prefacexxvtext include shock waves, solitons, IEEE floating-point arithmetic, trial-and-errorsearching, matrix computing with libraries, object-oriented programming, chaoticscattering, Lyapunov coefficients, Shannon entropy, coupled predator–prey systems,advanced PDE techniques (successive overrelaxation, finite elements, Crank–Nicholson and Lax–Wendroff methods), adaptive-step size integrators, projectilemotion with drag, short-time Fourier transforms, FFT, Fourier filtering, Wang–Landau simulations of thermal systems, Perlin noise, cellular automata, and waveson catenaries.AcknowledgmentsThis book and the courses it is based upon could not have been created withoutfinancial support from the National Science Foundation’s CCLI, EPIC, and NPACIprograms, as well as from the Oregon State University Physics Department andthe College of Science. Thank you all and we hope you are proud.Immature poets imitate;mature poets steal.— T. S. ElliotOur CP developments have followed the pioneering path paved with the books ofThompson, Koonin, Gould and Tobochnik, and Press et al.; indubitably, we haveborrowed material from them and made it our own. We wish to acknowledge themany contributions provided by Hans Kowallik, who started as a student in ourCP course, continued as a researcher in early Web tutorials, and has continuedas an international computer journeyman. Other people have contributed in variousplaces: Henri Jansen (early class notes), Juan Vanegas (OpenDX), ConnellyBarnes (OOP and PtPlot), Phil Carter and Donna Hertel (MPI), Zlatko Dimcovic(improved codes and I/O), Joel Wetzel (improved figures and visualizations), OscarA. Restrepo (QMCbouncer), and Justin Elser (system and software support).It is our pleasure to acknowledge the invaluable friendship, encouragement,helpful discussions, and experiences we have had with our colleagues and studentsover the years. We are particularly indebted to Guillermo Avendaño-Franco, SaturoS. Kano, Bob Panoff, Guenter Schneider, Paul Fink, Melanie Johnson, Al Stetz, JonMaestri, David McIntyre, Shashikant Phatak, Viktor Podolskiy, and Cherri Pancake.Our gratitude also goes to the reviewers Ali Eskanarian, Franz J. Vesely, andJohn Mintmire for their thoughtful and valuable suggestions, and to Ellen Foos ofPrinceton University Press for her excellent and understanding production work.Heartfelt thanks goes to Vickie Kearn, our editor at Princeton University Press, forher encouragement, insight, and efforts to keep this project alive in various ways.In spite of everyone’s best efforts, there are still errors and confusing statementsfor which we are responsible.Finally, we extend our gratitude to the wives, Jan and Lucia, whose reliablesupport and encouragement are lovingly accepted, as always.−101COPYRIGHT 2008, PRINCET O N UNIVE R S I T Y P R E S SEVALUATION COPY ONLY. NOT FOR USE IN COURSES.34811_fm — 2008/2/13 — Page xxv