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principal root

См. также в других словарях:

  • Root of unity — The 5th roots of unity in the complex plane In mathematics, a root of unity, or de Moivre number, is any complex number that equals 1 when raised to some integer power n. Roots of unity are used in many branches of mathematics, and are especially …   Wikipedia

  • Principal components analysis — Principal component analysis (PCA) is a vector space transform often used to reduce multidimensional data sets to lower dimensions for analysis. Depending on the field of application, it is also named the discrete Karhunen Loève transform (KLT),… …   Wikipedia

  • root — root1 rootlike, adj. /rooht, root/, n. 1. a part of the body of a plant that develops, typically, from the radicle and grows downward into the soil, anchoring the plant and absorbing nutriment and moisture. 2. a similar organ developed from some… …   Universalium

  • Root — /rooht/, n. 1. Elihu /el euh hyooh /, 1845 1937, U.S. lawyer and statesman: Nobel peace prize 1912. 2. John Wellborn /wel beuhrn/, 1851 91, U.S. architect. * * * In botany, the underground anchoring part of a plant. It grows downward in response… …   Universalium

  • Principal Edwards Magic Theatre — Infobox musical artist Name = Principal Edwards Magic Theatre Img capt = Img size = Background = group or band Birth name = Alias = Born = Died = Origin = Exeter, England Instrument = Genre = Psychedelia Occupation = Years active = 1968 1975… …   Wikipedia

  • Principal branch — In mathematics, a principal branch is a function which selects one branch, or slice , of a multi valued function. Most often, this applies to functions defined on the complex plane: see branch cut.One way to view a principal branch is to look… …   Wikipedia

  • Principal 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… …   Wikipedia

  • Principal parts — In language learning, the principal parts of a verb are those forms that a student must memorize in order to be able to conjugate the verb through all its forms.By languageEnglishIn English, the verb love derives all its forms systematically (… …   Wikipedia

  • Root (linguistics) — The root word is the primary lexical unit of a word, and of a word family (root is then called base word), which carries the most significant aspects of semantic content and cannot be reduced into smaller constituents. Content words in nearly all …   Wikipedia

  • Root locus — In control theory, the root locus is the locus of the poles and zeros of a transfer function as the system gain K is varied on some interval. The root locus is a useful tool for analyzing single input single output (SISO) linear dynamic systems.… …   Wikipedia

  • Root Key Ceremony — At the heart of every certificate authority or certification authority (CA) is at least one Root Key(s) or Root Certificate(s) and usually, at least one Intermediate Root Certificate(s). These Digital Certificates are made from a Public and a… …   Wikipedia

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