expansion matrix
51Geometric 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… …
52List of mathematics articles (P) — NOTOC P P = NP problem P adic analysis P adic number P adic order P compact group P group P² irreducible P Laplacian P matrix P rep P value P vector P y method Pacific Journal of Mathematics Package merge algorithm Packed storage matrix Packing… …
53Función de Bessel — En matemática, las funciones de Bessel, primero definidas por el matemático Daniel Bernoulli y más tarde generalizadas por Friedrich Bessel, son soluciones canónicas y(x) de la ecuación diferencial de Bessel: (1) donde α es un …
54Collision response — In the context of classical mechanics simulations and physics engines employed within video games, collision response deals with models and algorithms for simulating the changes in the motion of two solid bodies following collision and other… …
55Comparison 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… …
56Properties of concrete — Concrete has relatively high compressive strength, but significantly lower tensile strength, and as such is usually reinforced with materials that are strong in tension (often steel). The elasticity of concrete is relatively constant at low… …
57List of IBM products — The following is a list of notable products from the International Business Machines (IBM) Corporation and its predecessor corporations, beginning in the 1890s, and spanning punched card machinery, time clocks, and typewriters, via mainframe… …
58Macintosh Portable — Mac specs| Motorola 68000 CPUspeed=16 MHz|OS=6.0.4 7.5.5|RAM=1 MiB, expandable to 9 MiB, 8 MiB backlit version|RAMtype=SRAM Discontinued=October 1991The Macintosh Portable was Apple Computer s first attempt at making a battery powered portable… …
59Quasideterminant — Introduction= The quasideterminant is a replacement for the determinant for matrices with noncommutative entries. Example 2 imes2 quasideterminants are as follows::: left|egin{array}{cc} a {11} a {12} a {21} a {22} end{array} ight| {11} = a {11} …
60Feynman diagram — The Wick s expansion of the integrand gives (among others) the following termNarpsi(x)gamma^mupsi(x)arpsi(x )gamma^ upsi(x )underline{A mu(x)A u(x )};,whereunderline{A mu(x)A u(x )}=int{d^4pover(2pi)^4}{ig {mu u}over k^2+i0}e^{ k(x x )}is the… …
