Variation
Variation means an instance of change or the rate or magnitude of change. It may refer to:
Biology:
- Biodiversity
- Genetic diversity, differences within a species
Physics:
- Magnetic variation, difference between magnetic north and true north, measured as an angle
- Variation (astronomy), any perturbation of the mean motion or orbit of a planet or satellite, particularly of the Moon
Mathematics:
- Bounded variation
- Calculus of variations, a field of mathematics which deals with functions of functions.
- Coefficient of variation in statistics, the magnitude of variance relative to the mean. Variation often refers to a vague notion of the extent of spread in measurements of a variable, quantified in the variance.
- Permutation
Arts:
- Variation (ballet), solo dance or dance figure
- Variation (music), formal technique where material is altered during repetition
- Variations (album), composed by Andrew Lloyd Webber
- Variation on a theme, in art history
Other:
- Variation (linguistics)
- Variation (game), modifications made to a game by a community of players (as opposed to a central authority)
- Variation (game tree), particular series of moves
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