Meaning of central difference in English:

central difference

See synonyms for central difference

noun

Mathematics
  • A finite difference calculated by subtracting the value of a function f (x) when x is decreased by a given amount from its value when x is increased by the same amount; compare backward difference , forward difference .

    In symbolic terms, a central difference can be expressed as δ = f(x + ½h) − f(x − ½h).

Origin

Late 19th century.