principal+elements
11Principal component analysis — PCA of a multivariate Gaussian distribution centered at (1,3) with a standard deviation of 3 in roughly the (0.878, 0.478) direction and of 1 in the orthogonal direction. The vectors shown are the eigenvectors of the covariance matrix scaled by… …
12Principal-agent problem — In political science and economics, the principal agent problem or agency dilemma treats the difficulties that arise under conditions of incomplete and asymmetric information when a principal hires an agent. Various mechanisms may be used to try… …
13Éléments d'Euclide — Pour les articles homonymes, voir Élément. Couverture de la …
14Éléments de montagnes russes — Les montagnes russes se composent de nombreux éléments. Ces éléments peuvent être purement techniques (frein, harnais...) ou avoir comme but d offrir des sensations aux passagers (bosses, loopings, virages...). Les variations de la voie composée… …
15Principal ideal — In ring theory, a branch of abstract algebra, a principal ideal is an ideal I in a ring R that is generated by a single element a of R .More specifically: * a left principal ideal of R is a subset of R of the form R a := { r a : r in R }; * a… …
16Éléments de géométrie algébrique — Infobox Book name = Éléments de géométrie algébrique author = Alexander Grothendieck and Jean Dieudonné language = French subject = Algebraic geometry publisher = Institut des Hautes Études Scientifiques pub date = 1960 ndash;1967The Éléments de… …
17Principal homogeneous space — In mathematics, a principal homogeneous space, or torsor, for a group G is a set X on which G acts freely and transitively. That is, X is a homogeneous space for G such that the stabilizer of any point is trivial. An analogous definition holds in …
18Principal ideal ring — In mathematics, a principal ideal ring, or simply principal ring, is a ring R such that every ideal I of R is a principal ideal, i.e. generated by a single element a of R .A principal ideal ring which is also an integral domain is said to be a… …
19Éléments de l'aquarium — Matériel d aquarium Article principal : Aquarium. Système de filtration dans un aquarium typique: (1) Entrée. (2) filtration mécanique. (3) filtration de carbone actif. (4) filtration biologique milieu. (5) sortie au réservoir. Le matériel… …
20Principal Component Analysis — Hauptkomponentenanalyse als Faktorenanalyse: Zwei Hauptkomponenten einer zweidimensionalen Punktwolke (orthogonal rotiert) Die Hauptkomponentenanalyse (englisch: Principal Component Analysis, PCA) ist ein Verfahren der multivariaten Statistik.… …
