discontinuous approximation
71Describing function — The Describing function (DF) method of Nikolay Mitrofanovich Krylov and Nikolay Bogolyubov is an approximate procedure for analyzing certain nonlinear control problems. It is based on quasi linearization, which is the approximation of the non… …
72Q-Q plot — Not to be confused with P P plot. A normal Q Q plot of randomly generated, independent standard exponential data, (X   Exp(1)). This Q Q plot compares a sample of data on the vertical axis to a statistical population on the horizontal… …
73Primate basal ganglia system — The primate basal ganglia system is a symmetrical major cerebral system that has only recently been recognized. In the past, part of it was presented as motor or extrapyramidal , complementary to the corticospinal (pyramidal) system. Contrary to… …
74Yamartino method — The Yamartino method is an algorithm for calculating an approximation to the standard deviation sigma; theta; of wind direction theta; during a single pass through the incoming data. [cite journal journal = Journal of Climate and Applied… …
75Definitions of science fiction — Science fiction includes such a wide range of themes and subgenres that it is notoriously difficult to define.[1] This is a list of definitions that have been offered by authors, editors, critics and fans over the years since science fiction… …
76BDDC — In numerical analysis, BDDC (balancing domain decomposition by constraints) is a domain decomposition method for solving large symmetric, positive definite systems of linear equations that arize from the finite element method. BDDC is used as a… …
77Unique features — Space Time hp Adaptivity on Dynamical Meshes Hermes is the first code to provide automatic hp adaptivity for nonstationary PDE problems on dynamical meshes that are refined and coarsened simultaneously as dictated by the space time approximation… …
78calendar — calendrical /keuh len dri keuhl/, calendric, calendarial /kal euhn dair ee euhl/, calendarian, calendaric, adj. /kal euhn deuhr/, n. 1. a table or register with the days of each month and week in a year: He marked the date on his calendar. 2. any …
79quantum mechanics — quantum mechanical, adj. Physics. a theory of the mechanics of atoms, molecules, and other physical systems that are subject to the uncertainty principle. Abbr.: QM Cf. nonrelativistic quantum mechanics, relativistic quantum mechanics. [1920 25]… …
80star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… …
