structure parameter
51Item response theory — In psychometrics, item response theory (IRT) is a body of theory describing the application of mathematical models to data from questionnaires and tests as a basis for measuring abilities, attitudes, or other variables. It is used for statistical …
52Friedmann equations — Physical cosmology Universe · Big Bang …
53Ridge detection — The ridges (or the ridge set) of a smooth function of two variables is a set of curves whose points are, loosely speaking, local maxima in at least one dimension. For a function of N variables, its ridges are a set of curves whose points are… …
54Rings of Jupiter — A schema of Jupiter s ring system showing the four main components The planet Jupiter has a system of rings, known as the rings of Jupiter or the Jovian ring system. It was the third ring system to be discovered in the Solar System, after those… …
55C++ structures and classes — The C++ programming language allows programmers to define program specific datatypes through the use of structures and classes. Instances of these datatypes are known as objects and can contain member variables, constants, member functions, and… …
56Wikipedia:Template messages/Cleanup — WP:TC redirects here. For WikiProject Tropical cyclones, see WP:WPTC. For general help on tagging pages, see Wikipedia:Tagging pages for problems. This page in a nutshell: Add template messages to inform readers and editors of specific problems… …
57Mobile Membranes — Membrane systems have been inspired from the structure and the functioning of the living cells. They were introduced and studied by Gh.Paun under the name of P systems [24]; some applications of the membrane systems are presented in [15].… …
58Lorentz group — Group theory Group theory …
59Data set (IBM mainframe) — This article is about mainframe computer file. For a general meaning in computing field, see Data set. data set (archaic), dataset (preferred), is a computer file having a record organization. The term pertains to the IBM mainframe operating… …
60SDXF — stands for Structured Data eXchange Format , and was published as Internet RFC 3072.It allows arbitrary structured data of different types to be assembled together for exchanging between computers of different architectures.The ability to… …
