vector characterization

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• Vector spaces without fields — In mathematics, the conventional definition of the concept of vector space relies upon the algebraic concept of a field. This article treats an algebraic definition that does not require that concept. If vector spaces are redefined as (universal) …   Wikipedia

• Vector signal analyzer — The vector signal analyzer (VSA) is a powerful tool that can perform many of the same measurement and characterization tasks that the spectrum analyzer (SA) can, but it can also perform many more useful digital demodulation functions. The VSA is… …   Wikipedia

• Euclidean vector — This article is about the vectors mainly used in physics and engineering to represent directed quantities. For mathematical vectors in general, see Vector (mathematics and physics). For other uses, see vector. Illustration of a vector …   Wikipedia

• Topological vector space — In mathematics, a topological vector space is one of the basic structures investigated in functional analysis. As the name suggests the space blends a topological structure (a uniform structure to be precise) with the algebraic concept of a… …   Wikipedia

• Bounded set (topological vector space) — In functional analysis and related areas of mathematics, a set in a topological vector space is called bounded or von Neumann bounded, if every neighborhood of the zero vector can be inflated to include the set. Conversely a set which is not… …   Wikipedia

• Entropic vector — The entropic vector is a concept arising in information theory. Shannon s information entropy measures and their associated identities and inequalities (both constrained and unconstrained) have received a lot of attention over the past from the… …   Wikipedia

• Shuttle vector — A shuttle vector is a vector (usually a plasmid) constructed so that it can propagate in two different host species [http://www.ncbi.nlm.nih.gov/sites/entrez?db=Books cmd=Search term=vector%20AND%20mcb%5Bbook%5D doptcmdl=TOCView] ). Therefore,… …   Wikipedia

• Complex number — A complex number can be visually represented as a pair of numbers forming a vector on a diagram called an Argand diagram, representing the complex plane. Re is the real axis, Im is the imaginary axis, and i is the square root of –1. A complex… …   Wikipedia

• Matroid — In combinatorics, a branch of mathematics, a matroid (  /ˈmeɪ …   Wikipedia

• Determinant — This article is about determinants in mathematics. For determinants in epidemiology, see Risk factor. In linear algebra, the determinant is a value associated with a square matrix. It can be computed from the entries of the matrix by a specific… …   Wikipedia

• Diffraction topography — (short: topography ) is an X ray imaging technique based on Bragg diffraction. Diffraction topographic images ( topographs ) record the intensity profile of a beam of X rays (or, sometimes, neutrons) diffracted by a crystal. A topograph thus… …   Wikipedia