cross projection
21Geometric algebra — In mathematical physics, a geometric algebra is a multilinear algebra described technically as a Clifford algebra over a real vector space equipped with a non degenerate quadratic form. Informally, a geometric algebra is a Clifford algebra that… …
22Relational algebra — Not to be confused with Relation algebra. Relational algebra, an offshoot of first order logic (and of algebra of sets), deals with a set of finitary relations (see also relation (database)) that is closed under certain operators. These operators …
23motion-picture technology — Introduction the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in… …
24Comparison of vector algebra and geometric algebra — Vector algebra and geometric algebra are alternative approaches to providing additional algebraic structures on vector spaces, with geometric interpretations, particularly vector fields in multivariable calculus and applications in mathematical… …
25Economic Affairs — ▪ 2006 Introduction In 2005 rising U.S. deficits, tight monetary policies, and higher oil prices triggered by hurricane damage in the Gulf of Mexico were moderating influences on the world economy and on U.S. stock markets, but some other… …
26OpenGL — Original author(s) Silicon Graphics Developer(s) Khronos Group Stable release 4.2 …
27Möbius transformation — Not to be confused with Möbius transform or Möbius function. In geometry, a Möbius transformation of the plane is a rational function of the form of one complex variable z; here the coefficients a, b, c, d are complex numbers satisfying ad − …
28History of film — This article is about the history of cinema. For other uses, see History of photography. Years in film 1870s 1880s 1890s …
29Kidokan — Le Kidokan est un art martial et un sport de combat pratiqué à travers 45 pays (Japon, Corée du Sud, Thaïlande, Brésil, Luxembourg, Afrique du Sud, Australie, États Unis, Algérie, Tunisie, Belgique, ...) sous l égide de la Fédération… …
30Kinetoscope — The Kinetoscope is an early motion picture exhibition device. Though not a movie projector it was designed for films to be viewed individually through the window of a cabinet housing its components the Kinetoscope introduced the basic approach… …
