matrix of observations
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Matrix exponential — In mathematics, the matrix exponential is a matrix function on square matrices analogous to the ordinary exponential function. Abstractly, the matrix exponential gives the connection between a matrix Lie algebra and the corresponding Lie group.… … Wikipedia
Matrix stiffness method — In structural engineering, the matrix stiffness method (or simply stiffness method , also known as Direct stiffness method) is a matrix method that makes use of the members stiffness relations for computing member forces and displacements in… … Wikipedia
Laffey Matrix — The Laffey Matrix is a fee schedule used by many United States courts for determining the proper hourly rates for professional legal work. OverviewMore than one methodology may used in calculating the applicable Laffey rate, yielding somewhat… … Wikipedia
Hat matrix — In statistics, the hat matrix, H, maps the vector of observed values to the vector of fitted values. It describes the influence each observed value has on each fitted value.[1] The diagonal elements of the hat matrix are the leverages, which… … Wikipedia
Design matrix — In statistics, a design matrix is a matrix of explanatory variables, often denoted by X, that is used in certain statistical models, e.g., the general linear model.[1][2] It can contain indicator variables (ones and zeros) that indicate group… … Wikipedia
Nuclear matrix — In biology, the nuclear matrix is the network of fibres found throughout the inside of a cell nucleus and is somewhat analogous to the cell cytoskeleton. However, in contrast to the cytoskeleton, the nuclear matrix has been proposed to be a… … Wikipedia
Ceramic matrix composite — Fracture surface of a fiber reinforced ceramic composed of SiC fibers and SiC matrix. The fiber pull out mechanism shown is the key to CMC properties … Wikipedia
Cabibbo-Kobayashi-Maskawa matrix — In the Standard Model of particle physics, the Cabibbo Kobayashi Maskawa matrix (CKM matrix, quark mixing matrix, sometimes also called KM matrix) is a unitary matrix which contains information on the strength of flavour changing weak decays.… … Wikipedia
Woodbury matrix identity — In mathematics (specifically linear algebra), the Woodbury matrix identity, named after Max A. Woodbury[1][2] says that the inverse of a rank k correction of some matrix can be computed by doing a rank k correction to the inverse of the original… … Wikipedia
General matrix notation of a VAR(p) — This page just shows the details for different matrix notations of a VAR( p ) process with k variables. Var( p ):y {t}=c + A {1}y {t 1} + A {2}y {t 2} + cdots + A {p}y {t p} + e {t},Where each y {i} is a k x 1 vector and each A {i} is a k x k… … Wikipedia
SPICE (Space Planet Instrument C-matrix Events) — Pour les articles homonymes, voir Spice (homonymie). SPICE est un kit de développement de la NASA utilisé pour calculer les informations géométriques utiles pour planifier et analyser des observations faites par un engin spatial. Il est également … Wikipédia en Français
