
 PlanetMath: weighted power mean 
  See Also: arithmeticgeometricharmonic means inequality, arithmetic mean, geometric mean, harmonic mean, power mean, proof of arithmeticgeometricharmonic means inequality, rootmeansquare, proof of general means inequality, derivation of geometric mean as the limit of the power mean 
  Crossreferences: weights, power means inequality, limit, continuous function, power mean, real numbers, positive 
  This is version 7 of weighted power mean, born on 20011017, modified 20050130. 
 planetmath.org /encyclopedia/WeightedPowerMean.html (120 words) 
