# 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
• 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 ${\displaystyle \mathbb {R} ^{n}}$ or a measure space
• Calculus of variations in mathematical analysis, a method of finding maxima and minima of functionals