<< < -le Lag lam Lan Lar las law lea lem lep Li- lig lim lin lin lio lit loc lod lon Lor low Lum lun Lup Lyn > >>
linear polarization qotbeš-e xatti (#) Fr.: polarisation linéaire Of an electromagnetic radiation, a → polarization in which the electric vibrations are confined to one plane along the direction of propagation. Also called → plane polarization. See also → circular polarization. → linear; → polarization. |
linear programming barnâme-sâzi-ye xatti (#) Fr.: programmation linéaire A procedure for finding the maximum or minimum of a → linear function where the → arguments are subject to linear → constraints. For problems involving more than two variables or problems involving a large number of constraints, solution methods used are those that are adaptable to computers. A well-known such → algorithm is the → simplex method. → linear; → programmings. |
linear regression vâyâzi-ye xatti Fr.: regression linéaire In statistics, a regression method that establishes a linear relationship between two random variables. → linear; → regression. |
linear size andâze-ye xatti Fr.: taille linéaire The real, physical size, as opposed to angular size. |
linear system râžmân-e xatti Fr.: système linéaire Physics: A → dynamical system whose evolution is a linear process. If a change in any variable at some initial time produces a change in the same or some other variable at some later time, twice as large a change at the same initial time will produce twice as large a change at the same later time. |
linear velocity tondâ-ye xatti Fr.: vitesse linéaire The rate of change of the position of an object that is traveling along a straight path. In other words, the velocity of an object when its moving direction is not changing. For a given → angular velocity (ω), the linear velocity v of the particle is directly proportional to the distance of the particle from the center of the circular path: v = ω ×r. |
linearity xattigi Fr.: linéarité The property, condition, or state of being linear. |
linearization xatteš, xattâneš Fr.: linéarisation A process of reduction to linear form by appropriate change of variables or by approximation. Verbal noun of → linearize. |
linearize xattidan, xattânidan Fr.: linéariser To make linear; give linear form to. |
linearized differential equation hamugeš-e degarsâneyi-ye xatti Fr.: équation différentielle linéarisée A differential equation that has been derived from an original nonlinear equation. Linearized, p.p. of → linearize; → differential; → equation. |
linearly xattâné Fr.: linéairement In a manner characterized by first-degree algebraic terms. Adverb of → linear. |
linearly dependent xattâné vâbasté Fr.: linéairement dépendant A set of objects x_{1}, x_{2}, ..., x_{n} (→ vectors, → matrices, → polynomials, etc.) on a given set if there is a linear combination of them: a_{1}x_{1} + a_{2}x_{2} + ... + a_{n}x_{n}, which is zero, but at least one of the coefficients is non-zero. For example the binomials (2x + y) and (6x + 3y) are linearly dependent, since 3(2x + y) - (6x + 3y) = 0. |
linearly independent xattâné nâvâbasté Fr.: linéairement indépendant 1) A set of objects x_{1}, x_{2}, ..., x_{n}
(→ vectors, → matrices,
→ polynomials, etc.) if it si not
→ linearly dependent. → linearly; → independent. |
linearly polarized light nur-e qotbide-ye xatti Fr.: lumière polarisée linéairement Light exhibiting → linear polarization. |
LINER lâyner (#) Fr.: LINER A type of galactic nucleus that is defined by its spectral line emission. The lines are very weak, the most prominent ones being from low ionization states (such as [O II], [N II], [S II] and [OI]). There is so far no generally accepted interpretation of the spectra of liners. It is likely that galaxies of different histories may have their nuclei with liner-type spectra. → retired galaxy. Short for → Low-Ionization Nuclear Emission-line Region. The term liner was first introduced by T. M. Heckman (1980, A&A 87, 152). |
linewidth xatt-pahnâ (#), pahnâ-ye xatt (#) Fr.: largeur de raie 1) The range of frequencies or wavelengths over which
radiations are absorbed or emitted in a transition between a specific
pair of atomic energy levels. The full width is determined between
half-power points of the line. |
linguistic variable vartande-ye zabânik Fr.: variable linguistique One of several → input or → output variables of a → fuzzy logic system whose values are → words or → sentences from a natural language, instead of numerical values. → linguistic; → variable. |
linguistics zabânik (#), zabânšenâsi (#) Fr.: linguistique The study of the structure and evolution of → language, including → phonetics, → morphology, syntax, semantics. From linguistic, from linguistic, from linguist, from L. lingua, → language, + → ics. Zabânik, from zabân, → language, + -ik, → -ics. Zabânšenâsi, from zabân + šenâsi, → -logy. |
link peyvand (#) Fr.: lien 1) General: Anything serving to connect one part or thing with another;
a bond or tie. From M.E. link(e), of Scandinavian origin; akin to O.Dan. lænkia "chain;" Old Norse hlekkr "chain;" Ger. Gelenk "joint." Peyvand "join, union," from peyvandidan, peyvastan "to join, connect;" Mid.Pers. peywand, peywastan "connection, offspring; to join, connect, attach," from *pati-basta-, from suffix pati- (Mid.Pers. pât-,from O.Pers. paity "agaist, back, opposite to, toward, face to face, in front of," Av. paiti, akin to Skt. práti "toward, against, again, back, in return, opposite," Pali pati-, Gk. proti, pros "face to face with, toward, in addition to, near;" PIE *proti) + basta- "tied, shut" (Av./O.Pers. band- "to bind, fetter," banda- "band, tie," Skt. bandh- "to bind, tie, fasten," PIE *bhendh- "to bind," cf. Ger. binden, E. bind), cf. Skt. prati-bandh- "to tie." |
linkage peyvand, ham-payvandi (#) Fr.: liaison 1) General: An act or mode of linking; the fact of being linked. From → link + -age a suffix of abstract nouns from O.Fr. |
<< < -le Lag lam Lan Lar las law lea lem lep Li- lig lim lin lin lio lit loc lod lon Lor low Lum lun Lup Lyn > >>