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  All Sites - 5571 items found, showing 3701 to 3750

  1. Nim - S. J. H. Sniffen
    An old, simple game between two players. A certain number of matchsticks (or stones, paper clips, etc.) are arranged in rows. The standard starting position is the 1-3-5-7 position, in which the first row has one object, the second has three, the third ...more>>

  2. Nine Primes in a Row - Ivars Peterson (MathTrek)
    ...number aficionados Harvey Dubner of New Jersey, Paul Zimmermann of INRIA Lorraine in France, Tony Forbes of Great Britain, and Nik Lygeros and Michel Mizony of Claude Bernard University in Lyon, France, mounted a campaign and solicited computational ...more>>

  3. NIST Virtual Library (NVL) - National Institute of Standards and Technology
    Online library of the National Institute of Standards and Technology. Includes subject guides, an online library catalog, NVL databases, a selection of electronic journals, NIST publications, online resources, global Web resources, and hints and help ...more>>

  4. NMath .NET Math Libraries - CenterSpace Software, LLC
    The NMath .NET math libraries from CenterSpace Software provides building blocks for mathematical, financial, engineering, and scientific applications on the .NET platform. Features include matrix and vector classes, linear algebra, random number generators, ...more>>

  5. NOAAServer - National Oceanic and Atmospheric Administration
    Search for environmental information on multiple NOAA computers; retrieve data from NOAA's electronic archives; view graphics; and download or order data. ...more>>

  6. A Nobel Formula - Keith Devlin (Devlin's Angle)
    The discovery of a single mathematical formula in 1970 led to this year's Nobel Prize for economics, shared between Stanford University professor of finance (emeritus) Myron Scholes and economist Robert C. Merton of Harvard University. The prize would ...more>>

  7. Noise Removal from Images - J. A. Sethian
    A paper and movie on noise removal. Level Set Methods exploit the fact that curves moving under their curvature smooth out and disappear. The idea is to view the pixel values as a topographic map; the intensity (somewhere between white and black) at each ...more>>

  8. Nonassociative Rings and Algebras - Dave Rusin; The Mathematical Atlas
    A short article designed to provide an introduction to nonassociative rings and algebras. In nonassociative ring theory we widen the scope of rings to be studied. Here the general theory is much weaker, but special cases of such rings are of key importance: ...more>>

  9. Noncommutative Geometry, Trace Formulas and the Zeroes of the Riemann Zeta Function - Alain Connes
    Lecture notes offering a general introduction to noncommutative geometry and a discussion of a fundamental example of noncommutative space related to the Riemann zeta function. ...more>>

  10. Non-English Math Resources - Math Forum
    Students and teachers with Non-English language needs will find mathematics and math education Web sites organized by category for the following languages: Spanish, French, German. ...more>>

  11. Non-Euclidean Geometry - MacTutor Math History Archives
    Covers Euclid's Elements through the end of the 1800's, with 23 references (books/articles). ...more>>

  12. NonEuclid - Joel Castellanos, Joe Dan Austin, Ervan Darnell
    A Java program offering straightedge and compass constructions in hyperbolic geometry for high school and college students. A compressed version for PCs may be downloaded for use offline. The site includes an introduction to hyperbolic geometry, plus ...more>>

  13. Nonlinear Dynamical Systems at San Diego State - Ricardo Carretero
    The NLDS group at San Diego State offers new graduate programs in Dynamical Systems and Applied Mathematics. ...more>>

  14. Nonlinear Dynamics (Mathematics Archives) - University of Tennessee, Knoxville (UTK)
    Links to sites on nonlinear dynamics, chaos and turbulence studies, complex systems and visualization, continued fractions and chaos, dynamical systems and technology, dynamics and stability of systems, with indications of level and type of resource offered. ...more>>

  15. Nonlinear Dynamics: One-Dimensional Dynamics and Bifurcations - Elmer G. Wiens; Egwald Web Services Ltd.
    Continuous and discrete time models of dynamic processes. One dimensional and system of equations models: stability analysis, bifurcations, the logistic map and chaos, the Trygve Haavelmo growth model, the predator-prey model, limit cycles, the Hopf and ...more>>

  16. Nonlinear Programming FAQ - Optimization Technology Center, Northwestern University and Argonne National Laboratory
    Posted monthly to Usenet newsgroup sci.op-research. "What is Nonlinear Programming?" "What software is there for nonlinear optimization?" "I wrote an optimization code. Where are some test models?" "What references and Web links are there in this field?" ...more>>

  17. Nonlinear Regression Analysis Program - Phillip H. Sherrod
    NLREG is a statistical analysis program for Windows 95/98 and Windows NT which performs linear and nonlinear regression analysis and curve fitting. The software package determines the values of parameters for an equation, the form of which you specify, ...more>>

  18. Nonlinear Science FAQ - James D. Meiss
    The Frequently Asked Questions document for the newsgroup sci.nonlinear. ...more>>

  19. Nonlinear Science Today/Journal of Nonlinear Science - Springer-Verlag New York Inc.
    Nonlinear Science Today and Journal of Nonlinear Science provide a forum for the dissemination of new results, methods, and ideas in nonlinear dynamics. The publications' goals are to facilitate the cross-fertilization and interaction between different ...more>>

  20. Nonpartisan Education Review
    The Nonpartisan Education Review provides a forum for those interested in education issues but put off by the education policy groups affiliated with the political parties. The groupo aims to make a difference by remaining non-aligned and non-partisan. ...more>>

  21. Non-sexist Solution of the Menage Problem - Bogart, Doyle
    A paper that appeared in the American Mathematical Monthly. The ménage problem asks for the number of ways of seating couples at a circular table, with men and women alternating, so that no one sits next to his or her partner. The paper presents ...more>>

  22. Nonstandard Analysis and the Hyperreals - Jordi Gutierrez Hermoso; Math Forum, Ask Dr. Math FAQ
    An essay introducing the most basic ideas of nonstandard analysis and the hyperreal number system. Contents: A Very Brief History of Almost-Nothing and More-than-Everything; The Hyperreal Wish-List; Construction of the hyperreal numbers; Hyperreal arithmetic; ...more>>

  23. The Normal Curve and Galton's Board - Paul Trow
    Describes a mechanical device, invented by the nineteenth-century mathematician Francis Galton, that illustrates the Central Limit Theorem, by showing how a binomial distribution approximates a normal distribution. ...more>>

  24. The Normal Distribution - Balasubramanian Narasimhan
    Normal distributions are a very important class of statistical distributions. All normal distributions are symmetric and have bell-shaped density curves with a single peak. Different values of mu and theta yield different normal density curves and hence ...more>>

  25. Northeast Regional Climate Center (NRCC) - Department of Soil, Crop and Atmospheric Sciences, Cornell University
    The NRCC serves a 12-state region that includes Connecticut, Delaware, Massachusetts, Maryland, Maine, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, and West Virginia, working to acquire and disseminate accurate, up-to-date ...more>>

  26. Northern Ireland Statistics and Research Agency (NISRA)
    The department of the United Kingdom government that collects statistics about Northern Ireland. Includes tables and graphs of key socioeconomic statistics, which are available for download as Lotus 123 worksheets; demographic data, available in Lotus ...more>>

  27. Northwest Math Conference
    An annual conference that "brings together mathematics teachers from all levels of primary, secondary, and undergraduate education to learn and share about mathematics and pedagogy." Find information on Northwest Math Conference (NWMC) programs, speakers, ...more>>

  28. The Norwegian Mathematical Olympiad
    Problems and solutions from the Abel Competition, the Norwegian Mathematical Competition (NMC), and the Baltic Way, dating back to 1992, many in English. The Norwegian Mathematical Olympiad is organized by the Norwegian Mathematical Society in cooperation ...more>>

  29. Norwegian Mathematical Society
    Site is in Norwegian. Purpose, activities, history, membership, meetings. ...more>>

  30. Notation for some Knots (Geometry and the Imagination) - Conway, Doyle, Gilman, Thurston; The Geometry Center
    It is hard mathematically to completely codify all possible knots. Given two knots, it is difficult to tell whether they are the same. It is harder still to tell for sure that they are different. Many simple knots can be arranged in a form described ...more>>

  31. Not Dumb (Learning and Mathematics) - Sheila Tobias; Math Forum
    In her 1990 book, They're Not Dumb, They're Different, Tobias addresses a concern that has been widely felt across the country for years: the shortfall in the number of students who go on to become scientists. She notes the importance of high school mathematics ...more>>

  32. Notes and Literature on Prime Numbers - Peter Alfeld, University of Utah
    From Understanding Mathematics, a study guide for Univ. of Utah students. Includes definitions, explanations, links to other related sites, and a list of works to consult for further reference. ...more>>

  33. Notes for College Algebra and Geometry - M. Maheswaran, Univ. of Wisconsin-Marathon Center (UWMC)
    A set of notes for students taking college algebra and geometry. Contents: Solving Applied ("Word") Problems; Solving Absolute Value Inequalities; Solving Rational Inequalities; Graphing Rational Functions; Graphing Conic Sections. ...more>>

  34. Notes on Linear Algebra - E. Lee Lady; University of Hawaii
    A collection of short hand-outs. Files are in PDF and DVI formats. Contents include: systems of linear equations in a nutshell, how to find the inverse of a matrix, some equivalent statements, some equivalent characterizations of basic concepts, a "grammar ...more>>

  35. (Not) Tiling a Triangle of Dots - Don West, Department of Mathematics, SUNY Plattsburgh
    A triangular array of dots can never be tiled by three-in-line tiles, and can be tiled by three-in-a-triangle tiles only if the size of the array is congruent to 0, 2, 9, or 11 (mod 12). The author gives an elementary proof of these two results, not ...more>>

  36. NOVA Online: Hunting the Hidden Dimension - Public Broadcasting System (PBS)
    The PBS television series NOVA has produced a program about fractals, their impact on the world of mathematics, and the way they're shaping our understanding of nature. In addition to the program itself (in five chapters), the website offers a program ...more>>

  37. NOVA Online: The Proof - WGBH, Public Broadcasting System (PBS)
    For over 350 years, some of the greatest minds of science struggled to prove what was known as Fermat's Last Theorem - the idea that a certain simple equation had no solutions. This site includes an interview with Andrew Wiles (the man who spent seven ...more>>

  38. NOVA Podcasting - Public Broadcasting System (PBS)
    Podcasts from the producers of the award-winning science documentary show: NOVA Podcast: expanding on topics from the T.V. programs; NOVA scienceNOW podcast: conversations with scientists and science journalists; NOVA Vodcast: video podcasts; NOVA E ...more>>

  39. The Novel Polyhedra of Albert P. Carpenter - Albert P. Carpenter
    A series of videos of slides exploring Exploded, Crown, Open and Lattice Polyhedra. ...more>>

  40. Nowhere Monotonic Continuous Function - Michal Wojcik
    Proof of the existence of a continuous function f:[0,1]->|R that is neither increasing nor decreasing on any subinterval of [0,1]. This proof uses the Baire Category Theorem. ...more>>

  41. NP-Complete Arcade - John Lawrence
    Site contains a number of applets that can be used to explore the circumstances under which some NP-complete problems become hard. ...more>>

  42. The N Queens Problem - Marty Hall
    Finding a solution to the N-Queens problem for any N greater than or equal to 4 can be done without searching. Determining where each queen should go can be done in constant time per queen, or O(N) altogether. Thus, drawing the board (which is O(N^2)) ...more>>

  43. The Nth Prime Page - Andrew Booker
    A form into which you can enter a value for n, from 1 to 10^12, inclusive. The server will return the nth prime number (counting 2 as the first). Commas and scientific notation (e.g. 1.0e12) are allowed. Also a Pi function: enter a value for x, from 1 ...more>>

  44. NT Number Theory (Front for the Mathematics ArXiv) - Univ. of California, Davis
    Number Theory preprints, from the U.C. Davis front end for the xxx.lanl.gov e-Print archive, a major site for mathematics preprints that has incorporated many formerly independent specialist archives. Search by keyword or browse by topic. ...more>>

  45. Null Science - Ivars Peterson - Science News Online
    A growing number of psychologists charge that their field needs to wean itself from the mindless application of certain statistical practices, especially a technique known as null hypothesis or significance testing, where the investigator typically gathers ...more>>

  46. numb3rs blog - Mark Bridger, Department of Mathematics, Northeastern University
    A blog where math professor Bridger posts mathematical comments on the TV show "Numb3rs". Dating back to February, 2005, posts include "Math and March Madness" and "Random motion and Fokker-Planck" and "Acoustic fingerprints and the JFK assassination" ...more>>

  47. NUMB3RS - CBS Broadcasting Inc.
    NUMB3RS depicts how the confluence of police work and mathematics helps solve criminal questions. Watch video clips of actors Rob Morrow and David Krumholtz on the set, as well as trailers of the television show and previews of upcoming episodes. ...more>>

  48. Numb3rs Math Activities - Cornell Department of Mathematics
    Notes and activities on the mathematics behind each CBS television broadcast of the FBI crime series NUMB3RS, from the pilot episode through season five: Uncertainty Principle, Sniper Zero, Dirty Bomb, Assassin, Toxin, Backscatter, Two Daughters, Burn ...more>>

  49. NumberADay - The Mathematical Association of America (MAA)
    Every working day, a new positive integer, with a selection of its properties and an illustration or photograph. ...more>>

  50. Number Dictionary - Gerardis Giannis, Tsibourakis Dimitris
    Enter a number to see its characteristics, such as primality, Fibonacci numbers, factorization, sum of first primes, sum of two squares, triangular numbers, roots, perfect numbers, and more... ...more>>

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