Phys.org: Phys.org news tagged with: mathematical functions
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en-usPhys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.New voice verification technology prevents impersonators from obtaining voiceprintsComputer users have learned to preserve their privacy by safeguarding passwords, but with the rise of voice authentication systems, they also need to protect unique voice characteristics. Researchers at Carnegie Mellon University's Language Technologies Institute (LTI) say that is possible with a system they developed that converts a user's voiceprint into something akin to passwords.
http://phys.org/news267104583.html
TechnologyMon, 17 Sep 2012 12:43:20 EDTnews267104583In search of the key word: Bursts of certain words within a text are what make them keywordsHuman beings have the ability to convert complex phenomena into a one-dimensional sequence of letters and put it down in writing. In this process, keywords serve to convey the content of the text. How letters and words correlate with the subject of a text is something Eduardo Altmann and his colleagues from the Max Planck Institute for the Physics of Complex Systems have studied with the help of statistical methods. They discovered that what denotes keywords is not the fact that they appear very frequently in a given text. It is that they are found in greater numbers only at certain points in the text. They also discovered that relationships exist between sections of text which are distant from each other, in the sense that they preferentially use the same words and letters.
http://phys.org/news261740627.html
Other SciencesTue, 17 Jul 2012 10:44:00 EDTnews261740627NIST releases successor to venerable handbook of math functionsThe National Institute of Standards and Technology has released the Digital Library of Mathematical Functions (DLMF) and its printed companion, the NIST Handbook of Mathematical Functions, the much-anticipated successors to the agency's most widely cited publication of all time. These reference works contain a comprehensive set of tools useful for specialists who work with mathematical modeling and computation.
http://phys.org/news192903240.html
Other SciencesWed, 12 May 2010 17:14:28 EDTnews192903240NIST releases preview of much-anticipated online mathematics referenceThe National Institute of Standards and Technology (NIST) has released a five-chapter preview of the much-anticipated online Digital Library of Mathematical Functions (DLMF). In development for over a decade, the DLMF is designed to be a modern successor to the 1964 "Handbook of Mathematical Functions," a reference work that is the most widely distributed NIST publication (with over a million copies in print) and one of the most cited works in the mathematical literature (still receiving over 1,600 yearly citations in the research literature). The preview of the new DLMF is a fully functional beta-level release of five of the 36 chapters.
http://phys.org/news133755786.html
Other SciencesFri, 27 Jun 2008 03:23:06 EDTnews133755786