Locus (plural loci) is Latin for "place". It may refer to:
Mathematics and science
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Locus (mathematics)
In geometry, a locus (plural: ''loci'') (Latin word for "place", "location") is a set (mathematics), set of all Point (geometry), points (commonly, a line (geometry), line, a line segment, a curve (mathematics), curve or a Surface (topology), su ...
, the set of points satisfying a particular condition, often forming a curve
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Root locus analysis
In control theory and stability theory, root locus analysis is a graphical method for examining how the roots of a system change with variation of a certain system parameter, commonly a gain within a feedback system. This is a technique used as a ...
, a diagram visualizing the position of roots as a parameter changes
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Locus (archaeology), the smallest definable unit in stratigraphy
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Locus (genetics)
In genetics, a locus (: loci) is a specific, fixed position on a chromosome where a particular gene or genetic marker is located. Each chromosome carries many genes, with each gene occupying a different position or locus; in humans, the total numb ...
, the position of a gene or other significant sequence on a chromosome
Humanities and social science
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Locus (rhetoric)
''Inventio'', one of the five canons of rhetoric, is the method used for the ''discovery of arguments'' in Western rhetoric and comes from the Latin word, meaning "invention" or "discovery". ''Inventio'' is the central, indispensable canon of rh ...
, another name for a literary or rhetorical ''topos'', a method of constructing an argument
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Locus of control
Locus of control is the degree to which people believe that they, as opposed to external forces (beyond their influence), have control over the outcome of events in their lives. The concept was developed by Julian B. Rotter in 1954, and has sinc ...
, the degree to which people have control over events
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Method of loci
The method of loci is a strategy for memory enhancement, which uses visualizations of familiar spatial environments in order to enhance the recall of information. The method of loci is also known as the memory journey, memory palace, journey ...
, a mnemonic system that uses the spatial memory of a familiar place to enhance recollection
Computing
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LOCUS (operating system), a distributed OS developed at UCLA, notable for single-system image idea
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Locus Computing Corporation
Locus Computing Corporation was formed in 1982 by Gerald J. Popek, Charles S. Kline and Gregory I. Thiel
to commercialize the technologies developed for the LOCUS (operating system), LOCUS distributed computing, distributed operating system at UCL ...
(1982–1995), commercialized the LOCUS distributed operating system developed at UCLA
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Locus Map
Locus Map is a multi-functional outdoor navigation application, available for Android and iOS devices. Primarily it is designed and used for leisure time outdoor activities like hiking, biking, or geocaching. The app is also used by professionals ...
, an Android navigation app using maps of various providers in online and offline mode
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Wang LOCI
CORDIC, short for coordinate rotation digital computer, is a simple and efficient algorithm to calculate trigonometric functions, hyperbolic functions, square roots, multiplications, divisions, and exponentials and logarithms with arbitrary ...
(Logarithmic Computing Instrument), an early scientific calculator by Wang
Entertainment
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Locus (comics)
Locus is the name of two fictional characters appearing in American comic books published by Marvel Comics. The first one, whose real name is Aaron Verne, first appeared in ''Thor'' #302 (Dec. 1980), and has the ability to create geometric energy ...
, a Marvel Comics mutant villainess, a member of the Mutant Liberation Front
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''Locus'' (magazine), science fiction and fantasy magazine
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Locus Award
The Locus Awards are an annual set of literary awards voted on by readers of the science fiction and fantasy magazine '' Locus'', a monthly magazine based in Oakland, California. The awards are presented at an annual banquet.
Originally a poll ...
, presented to the winners of ''Locus'' magazine's annual readers' poll
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''Locus'' (video game), a 1995 video game by Zombie Studios
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''Locus'' (Chicago Underground Duo album), 2014
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''Locus'' (Satyr album), 2020
Other
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HTT Pléthore
The HTT Pléthore is a Canadian sport car, developed and produced by HTT Automobile in Quebec.
History
It debuted at the 2007 Montreal International Auto Show as a pre-production prototype under the name "Locus Pléthore", under the supervisi ...
(Locus Plethore), a Canadian supercar proposed by HTT Automobile in Quebec, Canada
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(LOCI) of the University of Louvain in Belgium
See also
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Loki
Loki is a Æsir, god in Norse mythology. He is the son of Fárbauti (a jötunn) and Laufey (mythology), Laufey (a goddess), and the brother of Helblindi and Býleistr. Loki is married to the goddess Sigyn and they have two sons, Narfi (son of Lo ...
– Trickster in Norse mythology
{{disambiguation