field of values

См. также в других словарях:

• Field of values — In matrix theory, the field of values associated with a matrix is the image of the unit sphere under the quadratic form induced by the matrix. More precisely, suppose A is a square matrix with complex entries. The field of values for A is the set …   Wikipedia

• Field (Bourdieu) — Field is one of the core concepts used by French social scientist Pierre Bourdieu. A field is a setting in which agents and their social positions are located. The position of each particular agent in the field is a result of interaction between… …   Wikipedia

• Field — or fields may refer to: * Field (agriculture), an area of land used to cultivate crops for agricultural purposes * Field of study, a branch of knowledge * Playing field, in sports, the area in which the sport is played * Visual field or field of… …   Wikipedia

• Values education — is a term used to name several things and there is much academic controversy surrounding it. [Robb, W M (1995) Some problems with values education and values in education.NAVET Papers, Vol. XIII.] Some regard it as all aspects of the process by… …   Wikipedia

• Field emission — (FE) is the emission of electrons from the surface of a condensed phase into another phase due to the presence of high electric fields. In this phenomenon, electrons with energies below the Fermi level tunnel through the potential barrier at the… …   Wikipedia

• Field electron emission — It is requested that a diagram or diagrams be included in this article to improve its quality. For more information, refer to discussion on this page and/or the listing at Wikipedia:Requested images. Field emission (FE) (also known as field… …   Wikipedia

• Field (physics) — The magnitude of an electric field surrounding two equally charged (repelling) particles. Brighter areas have a greater magnitude. The direction of the field is not visible …   Wikipedia

• Field (computer science) — In computer science, data that has several parts can be divided into fields. Relational databases arrange data as sets of database records, also called rows. Each record consists of several fields; the fields of all records form the columns. In… …   Wikipedia

• field emission — Physics. the removal of electrons from a metallic conductor by a strong electric field. [1925 30] * * * ▪ physics also called  Cold Emission,         discharge of electrons from the surface of a material subjected to a strong electric field. In… …   Universalium

• Field-programmable gate array — FPGAs should not be confused with the flip chip pin grid array, a form of integrated circuit packaging. A field programmable gate array is a semiconductor device containing programmable logic components called logic blocks , and programmable… …   Wikipedia

• Scalar field theory — In theoretical physics, scalar field theory can refer to a classical or quantum theory of scalar fields. A field which is invariant under any Lorentz transformation is called a scalar , in contrast to a vector or tensor field. The quanta of the… …   Wikipedia