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 ?
Section 3 provides analytical framework for obtaining the coverage probability for the different kinds of UEs based on their spatial locations within the cell area, while Section 4 analyzes the throughput and harmonic mean realizations and the optimization scheme subject to varying performance restrictions.
Wei [57] proposed a new aggregation operator called fuzzy induced ordered weighted harmonic mean (FIOWHM) for fuzzy multi criteria group decision making.
exp] and ordinary harmonic mean in Table 1, we also see that ordinary harmonic mean is smaller than [H.
In these situations, the harmonic mean price may be expressed as follows:
Nowicki, On the arithmetic and harmonic means, Dynamical Systems, World Sci.
From the above inequality, it is clear that in between harmonic mean and contra harmonic mean, we have various means.
The use of the weighted harmonic mean equation improves the accuracy in predicting the SCOP as compared with the weighted arithmetic mean equation adopted by the IPLV equation.
We wrote our own program for making harmonic mean estimates.
1 is the total time, we have just shown that the harmonic mean is the total number of operations divided by total time.
The harmonic mean technique is used in this state to ensure slight fluctuation of network bandwidth estimated.
From the locus curves he found the equations of the curves and we can see that the arithmetic mean generates a linear locus, the geometric mean generates a parabola and the harmonic mean a hyperbola.
By making some simplifying assumptions about the relative size of the parameters involved in the model, it is also shown that whether extinction and recolonization can enhance or reduce genetic differentiation is a simple relationship between the number of migrants among populations and the harmonic mean of population sizes in a single cohort of populations growing from k to N.