Variation

Not to be confused with Variability.

Variation may refer to:

Biology

• Genetic variation
  • Human genetic variation
• 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
• Variations without repetition, an archaic term in combinatorics still commonly used by non-English authors for k-permutations of n
• Variations with repetition, an archaic term in combinatorics still commonly used by non-English authors for n-tuples

Arts

• Variation (music), formal technique where material is altered during repetition
• Variations (Andrew Lloyd Webber album)
• Variations (Eddie Rabbitt album)
• Variations (Cage), a series of works by American avant-garde composer John Cage
• Variations (Stravinsky), Igor Stravinsky's last orchestral composition, written in 1963–64
• Elegant variation, the gratuitous use of a synonym in prose

Ballet

• Variation (ballet), solo dance or dance figure
• Balanchine's 1947 Theme and Variations (ballet)
• Balanchine's 1966 Variations (ballet), an earlier version of Variations for Orchestra
• Balanchine's 1982 Variations for Orchestra, a subsequent revision of Variations

Other

• 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
• Variation (linguistics)
• Variation (horse), a British Thoroughbred

See also

• Change (disambiguation)
• Variations on a Theme (disambiguation)
• Rate of variation
• Repetition (disambiguation)