substitution matrix

substitution matrix
мат. подстановочная матрица

Большой англо-русский и русско-английский словарь. 2001.

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  • Substitution matrix — In evolutionary biology, a substitution matrix describes the rate at which one character in a sequence changes to other character states over time. Substitution matrices are usually seen in the context of amino acid or DNA sequence alignments,… …   Wikipedia

  • Blocks Substitution Matrix — Die BLOSUM62 Matrix BLOSUM (BLOcks SUbstitution Matrix[1]) ist eine evidenzbasierte Substitutionsmatrix, die für Sequenzalignment von Proteinen benutzt wird und spielt neben der Point Accepted Mutation Matrix (PAM Matrix) eine wichtige Rolle in… …   Deutsch Wikipedia

  • Substitution model — A substitution model describes the process from which a sequence of characters of a fixed size from some alphabet changes into another set of traits. For example, in cladistics, each position in the sequence might correspond to a property of a… …   Wikipedia

  • Matrix — Contents 1 Science and mathematics 2 Technology 3 Arts and entertainment …   Wikipedia

  • Matrix (biology) — In biology, matrix (plural: matrices) is the material (or tissue) between animal or plant cells, in which more specialized structures are embedded, and a specific part of the mitochondrion that is the site of oxidation of organic molecules. The… …   Wikipedia

  • Substitution cipher — In cryptography, a substitution cipher is a method of encryption by which units of plaintext are replaced with ciphertext according to a regular system; the units may be single letters (the most common), pairs of letters, triplets of letters,… …   Wikipedia

  • Matrix calculus — Topics in Calculus Fundamental theorem Limits of functions Continuity Mean value theorem Differential calculus  Derivative Change of variables Implicit differentiation Taylor s theorem Related rates …   Wikipedia

  • Substitution nucléophile bimoléculaire — SN2 La substitution nucléophile bimoléculaire, ou communément appelée SN2 est un mécanisme réactionnel en chimie organique. C est en fait un mécanisme limite, au sens où des réactions chimiques « naturelles » usant de ce type de… …   Wikipédia en Français

  • Matrix (mathematics) — Specific elements of a matrix are often denoted by a variable with two subscripts. For instance, a2,1 represents the element at the second row and first column of a matrix A. In mathematics, a matrix (plural matrices, or less commonly matrixes)… …   Wikipedia

  • Matrix decomposition — In the mathematical discipline of linear algebra, a matrix decomposition is a factorization of a matrix into some canonical form. There are many different matrix decompositions; each finds use among a particular class of problems. Contents 1… …   Wikipedia

  • Blosum-Matrix — In der Bioinformatik beschreiben die Einträge in einer Substitutionsmatrix eine relative Rate, mit welcher im Laufe der Evolution eine Aminosäure in eine andere mutiert (für den Fall einer Protein Matrix). Dabei gibt der Eintrag aij die relative… …   Deutsch Wikipedia


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