harmonic mean


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harmonic mean

[här′män·ik ′mēn]
(mathematics)
For n positive numbers x1, x2, …, xn their harmonic mean is the number n /(1/ x1+ 1/ x2+ … + 1/ xn ). Also known as harmonic average.
References in periodicals archive ?
Nowicki, On the arithmetic and harmonic means, Dynamical Systems, World Sci.
On the left I have summarised the traditional geometric construction that illustrates the inequality relating the arithmetic, geometric and harmonic means of two positive real numbers.
Now, if we consider the harmonic mean He(n) of the exponential divisors [d.
Maciejewski wrote: "My harmonic means are based on the natural acoustic phenomenon of the overtones.