contraharmonic mean

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• Contraharmonic mean — In mathematics, a contraharmonic mean is a function complementary to the harmonic mean. The contraharmonic mean is a special case of the Lehmer mean, L2. Contents 1 Definition 2 Properties 3 Explication …   Wikipedia

• contraharmonic mean — noun </math> …   Wiktionary

• Mean — This article is about the statistical concept. For other uses, see Mean (disambiguation). In statistics, mean has two related meanings: the arithmetic mean (and is distinguished from the geometric mean or harmonic mean). the expected value of a… …   Wikipedia

• Lehmer mean — The Lehmer mean of a tuple x of positive real numbers is defined as::L p(x) = frac{sum {k=1}^{n} x k^p}{sum {k=1}^{n} x k^{p 1.The Weighted Lehmer mean with respect to a tuple w of positive weights is defined as::L {p,w}(x) = frac{sum {k=1}^{n} w …   Wikipedia

• List of mathematics articles (C) — NOTOC C C closed subgroup C minimal theory C normal subgroup C number C semiring C space C symmetry C* algebra C0 semigroup CA group Cabal (set theory) Cabibbo Kobayashi Maskawa matrix Cabinet projection Cable knot Cabri Geometry Cabtaxi number… …   Wikipedia