نتایج جستجو برای: arithmetic mean

تعداد نتایج: 616635  

2013
Wei-Dong Jiang

The authors find the greatest value λ and the least value μ, such that the double inequality C(λa + (1-λb), λb+(1-λ)a) < αA(a, b) + (1-α)T(a,b) < C(μa + (1 - μ)b, μb + (1 - μ)a) holds for all α ∈ (0, 1) and a, b > 0 with a ≠ b, where C(a, b) = 2(a² + ab + b²)/3(a + b), A(a, b) = (a + b)/2, and T(a, b) = (a + b)/2, and T(a, b) = (2/π) ∫₀(π/2) √a²cos²θ + b²sin²θdθ denote, respectively, the centro...

Journal: :iranian journal of public health 0
k. imandel v. iranshahi

for better understanding of tehran ground water, samples were taken randomly from 340 out of 655 deep & semi deep wells in 1993, which dug by tehran water supply and sewage engineering company. 260 water specimens were examined chemically and physically and compared with the 1993 world health organization (who) and food and agriculture organization (fao) criteria and analyzed statistically. log...

2016
T. Ramachandran

In this paper, the computation of numerical integration using arithmetic mean (AMDCNC), geometric mean (GMDCNC) and harmonic mean (HMDCNC) derivativebased closed Newton cotes quadrature rules are compared with the existing closed Newton cotes quadrature rule (CNC). The comparison shows that, arithmetic mean-based rule gives better solution than the other two rules. This set of quadrature rules ...

Journal: :ZAMM - Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik 2012

1993
Marcello Luiz Rodrigues de Campos Paulo S. R. Diniz Andreas Antoniou

AbdvactThe effects of quantization in an LMS-Newton adaptive filtering algorithm are investigated. The algorithm considered uses an optimum convergence factor, that forces the output ayoclteriori error to become zero in each iteration. The prOpagation of errors due to quantization in the internal variables of the algorithm is investigated and a closed-form formula for the excess mean square err...

Journal: :The Annals of Mathematical Statistics 1937

Journal: :International Astronomical Union Colloquium 2000

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