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# Matrix

## Contents

Matrix may refer to:

## Science and mathematics

• Matrix (mathematics), a mathematical object generally represented as an array of numbers
• Matrix calculus, a notation for calculus operations on matrix spaces
• Identity matrix
• Similarity matrix, which scores the similarity between two data points
• A number of bioinformatic related matrices, including:
• Position-specific scoring matrix, which represents a pattern or motif in biological sequences
• Substitution matrix, which estimates the rate at which each possible residue in a biological sequence changes to each other residue over time
• PAM matrix, or Point Accepted Mutation matrix, used in scoring sequence alignments
• BLOSUM (BLOcks of Amino Acid SUbstitution Matrix), also used in scoring sequence alignments
• Matrix (biology), with numerous meanings, often referring to a biological material where specialized structures are formed or embedded
• Matrix (archeology), the soil or sediment surrounding a dig site
• Harris matrix, an archaeological tool used to describe sediment deposition over time
• Matrix (chemical analysis), the discarded portion of a sample used for chemical analysis
• Matrix (geology), the fine grains between larger grains in igneous or sedimentary rocks, or the rock material in which a fossil, gem etc. is embedded
• Matrix isolation, a continuous solid phase in which particles (precipitates, etc.) are embedded
• Metal matrix composite, a type of composite material

## Other

• Array (disambiguation)
• Grid (disambiguation)

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### Look at other dictionaries:

• Matrix — Matrix …   Deutsch Wörterbuch

• Matrix — Données clés Titre original The Matrix …   Wikipédia en Français

• Matrix — ([ˈmaːtrɪks], [ˈmaːtriːks]; lat. matrix „Gebärmutter“, eigentl. „Muttertier“; Mehrzahl je nach Bedeutung Matrizes [maˈtriːʦeːs] oder eingedeutscht Matrizen [maˈtrɪʦən], [maˈtriːʦən]) bezeichnet: eine Anordnung in Form einer Tabelle Matri …   Deutsch Wikipedia

• matrix — UK US /ˈmeɪtrɪks/ noun [C] (plural matrixes or matrices) ► a group of numbers or other things arranged in a rectangle that can be used to solve a problem or measure something: »The bottom row of the matrix indicates typical lead times for… …   Financial and business terms

• Matrix — Sf Grundsubstanz; Keimschicht; Schema per. Wortschatz fach. (20. Jh.) Entlehnung. Verwendungsweisen von l. mātrix Gebärmutter, Stamm Mutter (Matrikel) in der modernen Wissenschaft, teilweise unter Einfluß des Englischen. Als Begriff der… …   Etymologisches Wörterbuch der deutschen sprache

• matrix — ma trix (m[=a] tr[i^]ks), n.; pl. {Matrices} (m[a^]t r[i^]*s[=e]z). [L., fr. mater mother. See {Mother}, and cf. {Matrice}.] [1913 Webster] 1. (Anat.) The womb. [1913 Webster] All that openeth the matrix is mine. Ex. xxxiv. 19. [1913 Webster] 2.… …   The Collaborative International Dictionary of English

• matrix — (n.) late 14c., uterus, womb, from O.Fr. matrice womb, uterus, from L. matrix (gen. matricis) pregnant animal, in L.L. womb, also source, origin, from mater (gen. matris) mother (see MOTHER (Cf. mother) (n.1)). Sense …   Etymology dictionary

• matrix — matrix. См. гиалоплазма. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

• matrix — matrix. См. ядерный скелет. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

• Matrix — Matrix. См. Матрица. (Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО Профессионал , НПО Мир и семья ; Санкт Петербург, 2003 г.) …   Словарь металлургических терминов

• Matrix — (lat.), 1) so v.w. Mutterthier; 2) (Anat.), die Gebärmutter, s. Genitalien B) b) bb); 3) so v.w. Matrize …   Pierer's Universal-Lexikon