title: Variation
text: # Variation
  
  Variation or Variations may refer to:
  
  ## Science and mathematics
  
  * Variation (astronomy), any perturbation of the mean motion or orbit of a planet or satellite, particularly of the moon
  * Genetic variation, the difference in DNA among individuals or the differences between populations
     * Human genetic variation, genetic differences in and among populations of humans
  * Magnetic variation, difference between magnetic north and true north, measured as an angle
  * p-variation in mathematical analysis, a family of seminorms of functions
  * Coefficient of variation in probability theory and statistics, a standardized measure of dispersion of a probability distribution or frequency distribution
  * Total variation in mathematical analysis, a way of quantifying the change in a function over a subset of $\mathbb {R} ^{n}$ or a measure space
  * Calculus of variations in mathematical analysis, a method of finding maxima and minima of functionals
  
  ## Arts
  
  * Variation (ballet) or pas seul, solo dance or dance figure
  * Variations (ballet), a 1966 ballet by choreographer George Balanchine
  * Variations (film), a 1998 short film by Nathaniel Dorsky
  * Variations (journal), a journal of literature published by Peter Lang
  
  ### Music
  
  * Variation (music), a formal technique where material is altered during repetition
  * Variations (Cage), a series of works by American avant-garde composer John Cage
  * Variations (musical), 1982 Australian musical by Nick Enright and Terence Clarke
  * Variations (Stravinsky), Igor Stravinsky's last orchestral composition written in 1963–64
  * Variation, album by Akina Nakamori
  * Les Variations, a French rock group
  * Variations (Andrew Lloyd Webber album), 1978
  * Variations (Eddie Rabbitt album), 1978
  
  ## Other uses
  
  * Variation (game), modifications made to a game by a community of players (as opposed to a central authority)
  * Variation (game tree), a particular series of moves
  * Variation (linguistics), a linguistic characteristic of languages
  * Variation (horse), a British Thoroughbred
  