Variation or Variations may refer to:
Science and mathematics
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Variation (astronomy)
In astronomy, the variation of the Moon is one of the principal perturbation (astronomy), perturbations in the motion of the Moon.
Discovery
The variation was discovered by Tycho Brahe, who noticed that, starting from a lunar eclipse in December 1 ...
, any perturbation of the mean motion or orbit of a planet or satellite, particularly of the moon
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Genetic variation, the difference in DNA among individuals or the differences between populations
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Human genetic variation, genetic differences in and among populations of humans
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Magnetic variation, difference between magnetic north and true north, measured as an angle
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''p''-variation in mathematical analysis, a family of seminorms of functions
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Coefficient of variation in probability theory and statistics, a standardized measure of dispersion of a probability distribution or frequency distribution
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Total variation
In mathematics, the total variation identifies several slightly different concepts, related to the (local property, local or global) structure of the codomain of a Function (mathematics), function or a measure (mathematics), measure. For a real ...
in mathematical analysis, a way of quantifying the change in a function over a subset of
or a measure space
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Calculus of variations
The calculus of variations (or variational calculus) is a field of mathematical analysis that uses variations, which are small changes in Function (mathematics), functions
and functional (mathematics), functionals, to find maxima and minima of f ...
in mathematical analysis, a method of finding maxima and minima of functionals
Arts
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Variation (ballet) or pas seul, solo dance or dance figure
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''Variations'' (ballet), a 1966 ballet by choreographer George Balanchine
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''Variations'' (film), a 1998 short film by Nathaniel Dorsky
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''Variations'' (journal), a journal of literature published by Peter Lang
Music
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Variation (music), a formal technique where material is altered during repetition
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''Variations'' (Cage), a series of works by American avant-garde composer John Cage
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''Variations'' (musical), 1982 Australian musical by Nick Enright and Terence Clarke
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''Variations'' (Stravinsky), Igor Stravinsky's last orchestral composition written in 1963–64
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''Variation'', album by
Akina Nakamori
is a Japanese Singing, singer and Actor, actress. She is one of the most popular and List of best-selling music artists in Japan, best-selling music artists in Japan. Akina achieved national recognition after winning the 1981 season of the tal ...
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Les Variations, a French rock group
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''Variations'' (Andrew Lloyd Webber album), 1978
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''Variations'' (Eddie Rabbitt album), 1978
Other uses
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Variation (game)
House rules are unofficial modifications to official game rules adopted by individual groups of players. House rules may include the removal or alteration of existing rules, or the addition of new rules. Such modifications are common in Board ga ...
, modifications made to a game by a community of players (as opposed to a central authority)
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Variation (game tree), a particular series of moves
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Variation (linguistics), a linguistic characteristic of languages
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Variation (horse)
Variation (1827–1847) was a British Thoroughbred horse racing, racehorse and Horse breeding#Terminology, broodmare that achieved success in the racing world. In 1830, Variation made her racing debut by winning the British Classic Races, cl ...
, a British Thoroughbred
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Variation of the field
In heraldry, variations of the field are any of a number of ways that a Field (heraldry), field (or a Charge (heraldry), charge) may be covered with a pattern, rather than a flat Tincture (heraldry), tincture or a simple Divisions of the field, di ...
, a concept in heraldry
See also
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Variability (disambiguation) Variability is how spread out or closely clustered a set of data is.
Variability may refer to:
Biology
* Genetic variability, a measure of the tendency of individual genotypes in a population to vary from one another
* Heart rate variability, a p ...
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Change (disambiguation)
Change, Changed or Changing may refer to the below. Other forms are listed at
Alteration
* Impermanence, a difference in a state of affairs at different points in time
* Menopause, also referred to as "the change", the permanent cessation of ...
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Variations on a Theme (disambiguation) Variations on a Theme may refer to:
* Variations on a Theme of Frank Bridge
* Carmen Variations (Horowitz), subtitled "Variations on a Theme from ''Carmen''"
* Variations on a Theme of Chopin (Mompou)
* Variations on a Theme of Chopin (Rachmanin ...
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Rate of change (disambiguation) Rate of change may refer to:
* Rate of change (mathematics), either average rate of change or instantaneous rate of change
** Instantaneous rate of change, rate of change at a given instant in time
* Rate of change (technical analysis), a simple ...
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Repetition (disambiguation)
Repetition may refer to:
* Repetition (rhetorical device), repeating a word within a short space of words
* Repetition (bodybuilding), a single cycle of lifting and lowering a weight in strength training
*Working title for the 1985 slasher film ' ...
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Variant (disambiguation)
Variant may refer to:
Arts and entertainment
* ''Variant'' (magazine), a former British cultural magazine
* Variant cover, an issue of comic books with varying cover art
* ''Variant'' (novel), a novel by Robison Wells
* " The Variant", 2021 epi ...
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Calculus of variations
The calculus of variations (or variational calculus) is a field of mathematical analysis that uses variations, which are small changes in Function (mathematics), functions
and functional (mathematics), functionals, to find maxima and minima of f ...
, a field of mathematics which deals with functions of functions
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Genetic diversity
Genetic diversity is the total number of genetic characteristics in the genetic makeup of a species. It ranges widely, from the number of species to differences within species, and can be correlated to the span of survival for a species. It is d ...
, total number of genetic characteristics in the genetic makeup of a species
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Variance
In probability theory and statistics, variance is the expected value of the squared deviation from the mean of a random variable. The standard deviation (SD) is obtained as the square root of the variance. Variance is a measure of dispersion ...
, expectation of deviation in probability theory or statistics
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