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  All Sites - 5490 items found, showing 4401 to 4450

  1. Ricci: A Mathematica package for doing tensor calculations in differential geometry - John M. Lee, Dept. of Mathematics, Univ. of Washington
    Ricci has the following features and capabilities: manipulation of tensor expressions with and without indices; implicit use of the Einstein summation convention; correct manipulation of dummy indices; display of results in mathematical notation, with ...more>>

  2. Rice Computational Mathematics Laboratory - R. O. Wells, Jr., Director; Rice Univ., Houston, TX
    A mathematics laboratory collaboration. CML's current research efforts concern wavelet theory and its application in a variety of areas of numerical analysis and signal processing, especially the Automatic Target Recognition (ATR) program. ...more>>

  3. Rice Virtual Lab in Statistics - David M. Lane, Rice University
    A comprehensive interactive resource for studying statistics, in four modules: HyperStat Online--an introductory-level hypertext statistics book, with links to other statistics resources on the Web; simulations/demonstrations--Java applets that display ...more>>

  4. Richard E. Borcherds
    Preprints, papers, and the author's thesis, in HTML, plain TeX, dvi, and pdf formats; problem sheets for Lie algebras or Modular forms, and solutions to some problems in Hartshorne's book; tables of positive definite lattices and coefficients of some ...more>>

  5. Richard Weber, University of Cambridge
    Weber's professional interest is the Mathematics of Operations Research. His site includes contact information; a list of publications; a brief CV (with further information about his research interests); a recent research paper; a teaching page (with ...more>>

  6. RichLanza.com - Richard B. Lanza
    ACL, Digital Analaysis, Benford's Law, DATAS, DATAS for ACL, DATAS for IDEA, DATAS for Excel, articles and book reviews on project management, audit software, digital analysis®, Benford's law, risk management, and more. ...more>>

  7. RICHplot - Richard Davies
    A Java applet for plotting user-defined trigonometric functions. Includes the following functions: sin, cos, tan, abs, sqrt ,+ ,- ,* ,/ ,^ (power function), asin, acos, atan, ln (log to the base e) and exp. Requires a Java-enabled browser. ...more>>

  8. The Ri Christmas Lectures - The Royal Institution of Great Britain
    Register to watch the demonstration-packed, fun-filled videos that have formed a part of the British Christmas tradition for generations: "The natural history of a sunbeam," by George Porter; "Mathematics into pictures," by Christopher Zeeman; "Crystals ...more>>

  9. Rich Starting Points for A-Level Core Mathematics - Jonny Griffiths
    Download PDF task files of 40 open-ended investigative activities for the A Level Pure Mathematics classroom: basic algebra, coordinate geometry, polynomials, curve sketching, uncertainty and inequalities, indices and surds, sequences and series, differentiation, ...more>>

  10. Rick Durrett's Home Page - Rick Durrett
    Research in the general area of probability theory, and more specifically in stochastic spatial models and their applications to ecology and genetics. Publications organized into books and papers, as well as s3 (stochastic spatial simulator) and stochastic ...more>>

  11. Riding on Square Wheels - Ivars Peterson (MathTrek)
    A square wheel may be the ultimate flat tire. There's no way it can roll over a flat, smooth road without a sequence of jarring bumps. However, a square wheel can roll smoothly, keeping the axle moving in a straight line and at a constant velocity, if ...more>>

  12. Rincón Matemático - Mario Augusto Bunge
    Revista electrónica de matemática básica. Temas de análisis, cálculo, geometría, probabilidades. Problema del mes. Foros. ...more>>

  13. Rincón Matemático Tests interactivos - Mario A. Bunge
    Exámenes multiple choice de Precálculo, Matemática, Análisis Matemático y Álgebra lineal. Cada examen se presenta en dos formatos: PDF y HTML. El PDF se imprime y se utiliza como una hoja de examen. Realizada la prueba, se recurre al HTML (quiz ...more>>

  14. Rings (Catalogue of Algebraic Systems) - John Pedersen, W. Edwin Clark; Dept. of Mathematics, University of South Florida
    Definition, examples, and decision problems about rings are provided. ...more>>

  15. Rings with Identity (Catalogue of Algebraic Systems) - John Pedersen, W. Edwin Clark; Dept. of Mathematics, University of South Florida
    Definition, examples, and decision problems about Rings with Identity, Rings with 1, and Unital Rings. ...more>>

  16. Rinus Roelofs
    Geometric sculpture, animation, structures, and "rhinoceros" (knots) by Roelofs, who exhibited as part of the Escher Centennial celebrations. After studying Applied Mathematics at the Technical University of Enschede (Netherlands), Roelofs earned a degree ...more>>

  17. The Rise of Calculus - MacTutor Math History Archives
    Linked essay describing the history of Calculus from the Greeks through Newton and Leibniz, with 28 references (books/articles). ...more>>

  18. RiskLab Toronto
    One of an international network of math laboratories in the field of risk modelling. Originally intended to model financial risk, the field has grown to encompass a number of other areas. Site provides summaries of the lab's research (including ...more>>

  19. Risorse Internet per la storia della matematica - Claudia Lamberti
    Internet resources for mathematics, science, and engineering history selected from the University of Pisa Libraries. ...more>>

  20. RJN's More Digits of Irrational Numbers Page - Nemiroff, Bonnell
    All digits accessible here were computed by Robert Nemiroff and Jerry Bonnell. The Digit Warehouse: e, sqrts of 2, 3, 5, 6, 7, 8, 10 to millions of digits. ...more>>

  21. Rlab Computer Language - Ian Searle
    Created for scientific and engineering applications, this high-level language focuses on creating a good experimental environment for matrix math. While not a clone, RLab is described as "MATLAB-like" by its creator, Ian Searle. Access information and ...more>>

  22. RngPack - Paul Houle
    A pseudorandom number generator package for Java. Pseudorandom means that the "random" numbers are generated by a deterministic mathematical process, not by a fundamentally random physical process such as radioactive decay or Johnson noise. RngPack contains ...more>>

  23. Road Sign Math - Jamie Thingelstad
    "Driving + Math = Fun." A game to play on the road, identifying signs that suggest basic or advanced arithmetic, or that display constants, sequences, or primes. See digital photographs of actual street and highway signs that meet the "RSM" rules. Submit ...more>>

  24. Rob Barry's Website
    Recent stories by The Wall Street Journal investigative reporter who specializes in computer-assisted reporting, which he describes as "the practice of wrestling large sets of data into compelling narratives." Barry's articles have ranged from insider ...more>>

  25. Robbins Algebras are Boolean - William McCune, Automated Deduction Group, Argonne National Laboratory
    The Robbins problem - are all Robbins algebras Boolean? - has been solved: Every Robbins algebra is Boolean. This theorem was proved automatically by EQP, a theorem proving program developed at Argonne National Laboratory. Information on the solution; ...more>>

  26. Robert Abbott's Mazes - Robert Abbott
    Two very difficult puzzles programmed by Oriel Maxime and based on mazes in Abbott's books: the Sliding Door Maze, and Theseus and the Minotaur. Also a collection of reviews of the books SuperMazes and Mad Mazes, with more puzzles (but nothing interactive), ...more>>

  27. Robert J. Lang Origami - Robert J. Lang
    Lang has catalogued and diagrammed over 400 models, combining aspects of the Western school of mathematical origami design with the Eastern emphasis upon line and form. Read about origami mathematics, which mathematically describe the underlying laws ...more>>

  28. Roberto Tamassia's Home Page
    Home page of a Professor in the Dept. of Computer Science at Brown University. Curriculum Vitae, recent papers, teaching, books (interests include graph drawing, data structures, computational geometry). ...more>>

  29. Robert's Online Applications - Robert Lum
    Java applets to assist with financial investments: commissions pricer, derivatives pricer, loan pricer, option pricer, option strategy visualizer, portfolio pricer, quote sheet, stock volatility charts, and tax pricer (1999, 1998, 1997, 1996 or 1995). ...more>>

  30. Robotic Navigation with Constraints - J. A. Sethian
    A paper and movie on robotic navigation. Finding the Shortest Path: The equation that describes the arrival time of this expanding front as it depends on the possible speed at any point and direction is the Eikonal equation. The fast marching method is ...more>>

  31. Rock-and-Roll Bridge - Ivars Peterson (MathTrek)
    Startling scenes of rippling pavement, featured in a classic film that captured the 1940 destruction of the Tacoma Narrows suspension bridge in Washington state, rank among the most dramatic and widely known images in science and engineering. This old ...more>>

  32. Rocky Mountain Mathematica - Ed Packel, Stan Wagon
    Introductory and intermediate workshops on Mathematica for teachers of mathematics and other scientific subjects. Workshops are held in Colorado during early July. The site includes registration information, schedule, and syllabi. ...more>>

  33. Rodney Carr's Home Page - Deakin University, Australia
    Books and software on statistics and advanced spreadsheet design. Contact the author for passwords to access downloadable documents and executable Microsoft Excel workbooks such as XLStatistics, for statistical analysis of data; XLGenetics, for illustrating ...more>>

  34. Rogue Wave's Math Class Libraries - Rogue Wave Software, Inc.
    Math.h++ is a C++ class library for any code that manipulates arrays of numbers. Math.h++ offers vector, matrix, and array classes, statistics classes, Fast-Fourier Transformations, and persistence. Product information, technical discussion, Math.h++ ...more>>

  35. The Role of Calculators in Math Education - Heidi Pomerantz, Bert Waits for USI/CPMSA
    This PDF article outlines the benefits of calculator use in mathematics classrooms from kindergarten through the university level, describing how calculators, when used appropriately, can be a tool for learning mathematics. The document has six sections: ...more>>

  36. The Role of Examples in Learning Mathematics - Annie and John Selden; Mathematical Association of America
    "Examining examples and non-examples can help students understand definitions.... Is the provision of examples always desirable? Would it perhaps be better to ask undergraduate students to provide their own examples and non-examples? Would they be able ...more>>

  37. Roles of calculators in the classroom - Pedro Gómez and Bert Waits
    The site contains the extended papers of the conferences presented in the Topic Group 18 of the International Congress of Mathematics Education held in Seville in July, 1996. Papers are presented both as web pages and as PDF files. ...more>>

  38. Rolf's Calculator - Rolf Howarth
    A fully featured JavaScript scientific calculator that includes trig functions and logarithms, factorials, 12 levels of parentheses, logs to base 2, bitwise logical operators, hex, octal, binary and ascii display. ...more>>

  39. Rolling with Reuleaux - Ivars Peterson (MathLand)
    Why is the cover of a manhole round? The usual answer is that a circular lid, unlike a square or hexagonal cover, won't fall through the opening. The circle works because it has a constant width, defined as the distance between a pair of parallel lines ...more>>

  40. The Roman Press, Inc. - Steven Roman
    Home page of a California mathematics professor, including research articles, books and textbooks, and software. ...more>>

  41. Ronald Brown's Home Page - Ronald Brown, Department of Mathematics, University of Wales, Bangor (UK)
    An explanatory paper on higher dimensional group theory; Brown's publications list; preprints/reprints (PostScript); articles on popularisation and teaching, such as "What is mathematics?" and "What should be the output of mathematical education?"; course ...more>>

  42. Rossman/Chance Applet Collection - Franciso Garcia, Carlos Lima, and Beth Chance
    Applets for simulating confidence intervals for population parameter, t-intervals for different population shapes, behavior of regression line, histogram bin width, sampling Reeses Pieces, sampling 2002 U.S. Senators, sampling pennies, sampling words ...more>>

  43. ROSSMANCHANCE.COM - Allan J. Rossman & Beth L. Chance
    Workshops and presentations, publications, and current projects by the authors of the Workshop Mathematics Project textbooks. See tables of contents, instructor guides, sample syllabi and exams, and answers to activities from books in the Workshop Statistics ...more>>

  44. Rough math: Focusing on rogue waves at sea - Ivars Peterson - Science News Online
    Ocean currents and large fields of random eddies can focus a steady ocean swell to create unusually large waves. A current or eddy field acts like an optical lens to focus the wave action, says applied mathematician Bengt Fornberg of the University of ...more>>

  45. A Round-Table Discussion with the Client Disciplines - Sheldon P. Gordon; Mathematics, Suffolk Community College
    A roundtable discussion, chaired by Sheldon Gordon, with participants from a number of the sciences; the topic was how calculus reform affects their respective fields. ...more>>

  46. Rouse Ball's Fallacy - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
    A famous fallacy by Rouse Ball now implemented in Java. A proof that an obtuse angle is right. How can that be? ...more>>

  47. Row Your Boat - Ivars Peterson (MathTrek)
    Although a rowing shell with eight rowers is much larger than one with a single rower, all shells have roughly the same proportions (at least for the surface area over which the shell makes contact with water). Data from 2000-meter world and Olympic championship ...more>>

  48. The R Project for Statistical Computing
    A language and environment for statistical computing and graphics, originally written by Robert Gentleman and Ross Ihaka (R & R), that provides a wide variety of statistical and graphical techniques, including linear and nonlinear modelling, classical ...more>>

  49. RSA Laboratories' Frequently Asked Questions About Today's Cryptography - RSA Laboratories
    Cryptography FAQs organized into eight chapters: introduction, cryptography, techniques in cryptography, applications of cryptography, cryptography in the real world, laws concerning cryptography, miscellaneous topic, and further reading. With appendices ...more>>

  50. R. S. Schaeffer - Randy S. Schaeffer, Math & Computer Science, Kutztown University of Pennsylvania
    Schaeffer teaches a course called "Methods of Teaching Secondary Mathematics." Download the lessons created by his students that call on Geometer's Sketchpad, graphing calculators, and Microsoft Excel. Lesson topics address parallel lines, box and whisker ...more>>


 
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