نتایج جستجو برای: arithmetic geometric mean

تعداد نتایج: 695122  

Journal: :The Dublin Journal of Medical Science 1894

Journal: :Applied Mathematics and Computation 2016

Journal: :CoRR 2011
Inder Jeet Taneja

In 1938, Gini [3] studied a mean having two parameters. Later, many authors studied properties of this mean. It contains as particular cases the famous means such as harmonic, geometric, arithmetic, etc. Also it contains, the power mean of order r and Lehmer mean as particular cases. In this paper we have considered inequalities arising due to Gini-Mean and Heron’s mean, and improved them based...

Journal: :iranian journal of radiation research 0
m. allahverdi department of medical physics, tehran university of medical sciences, tehran, iran gh. geraily department of medical physics, tehran university of medical sciences, tehran, iran m. esfehani departments of radiology, iran university of medical sciences, tehran, iran a. sharafi department of radiotherapy and oncology, cancer institute, tehran university of medical sciences, tehran, iran a. shirazi department of medical physics, tehran university of medical sciences, tehran, iran

background: total body irradiation (tbi) is different from standard radiotherapy in many aspects, so it is not easy to predict the delivered dose to the patient under tbi treatment. diode dosimetry procedures for surface dose reading can help to define variations of the actually delivered dose from the prescribed one. the aim of this study was to describe the measurements made to calibrate diod...

Journal: :Revista Matemática Iberoamericana 2011

2012
EDWARD NEUMAN

Two inequalities for weighted sums of powers are established. Applications to Jacobian elliptic functions and Legendre’s elliptic integrals of the first kind are presented. Some known and new inequalities for circular and hyperbolic functions are obtained. Applications to certain iterative means including Gauss’ arithmetic-geometric mean and Schwab-Borchardt mean are included. Mathematics subje...

2007
Yi-Hsiang Chao Wei-Ho Tsai Shih-Sian Cheng Hsin-Min Wang Ruei-Chuan Chang

It is usually difficult to characterize the alternative hypothesis precisely in a log-likelihood ratio (LLR)-based speaker verification system. In a previous work, we proposed using a weighted arithmetic combination (WAC) or a weighted geometric combination (WGC) of the likelihoods of the background models instead of heuristic combinations, such as the arithmetic mean and the geometric mean, to...

Journal: :Proceedings Mathematical Sciences 2002

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