نتایج جستجو برای: arithmetic mean

تعداد نتایج: 616635  

Journal: :فصلنامه علمی پژوهشی گیاهان دارویی 0
m tavakoli 1- cultivation & development department of medicinal plants research center, institute of medicinal plants, acecr, karaj, iran h naghdi badi 1- cultivation & development department of medicinal plants research center, institute of medicinal plants, acecr, karaj, iran h rafiee department of horticulture, science and research branch, islamic azad university, tehran, iran mr labbafi 1- cultivation & development department of medicinal plants research center, institute of medicinal plants, acecr, karaj, iran m ghorbani nohooji 1- cultivation & development department of medicinal plants research center, institute of medicinal plants, acecr, karaj, iran e zand weed research department, iranian plant protection research institute, tehran, iran

background: the seeds of some medicinal plants and their compounds have long been valued for their numerous health benefits. objective:to investigate some physical and chemical properties of salvia spp. methods: some physico-chemical properties in five species of salvia seeds (consisted of s. officinalis l., s. macrosiphon l., s. hypoleuca l., s. sclarea l. and s. nemorosa l.) were measured at ...

2011
Dustin Moody D. Moody

We look at arithmetic progressions on elliptic curves known as Huff curves. By an arithmetic progression on an elliptic curve, we mean that either the x or y-coordinates of a sequence of rational points on the curve form an arithmetic progression. Previous work has found arithmetic progressions on Weierstrass curves, quartic curves, Edwards curves, and genus 2 curves. We find an infinite number...

Journal: :Aequationes Mathematicae 2021

Abstract The main purpose of this work is to present essential extensions results in [7] and [8], apply them some special situations. Of particular interest the refinement integral Jensen inequality for vector valued integrable functions. applications related four topics, namely f -divergences information theory (an interesting weighted geometric mean–arithmetic mean obtained as a consequence),...

2004
SK Mishra

It is generally held that median does not use all sample observations. However, median may be expressed as a weighted arithmetic mean of all sample observations. Some Monte Carlo studies have been conducted to show that the method works perfectly well. Citation: Mishra, SK, (2004) "Median as a weighted arithmetic mean of all sample observations." Economics Bulletin, Vol. 3, No. 17 pp. 1−3 Submi...

Journal: :IEEE Trans. Fuzzy Systems 2000
Jean-Luc Marichal

The most often used operator to aggregate criteria in decision making problems is the classical weighted arithmetic mean. In many problems however, the criteria considered interact, and a substitute to the weighted arithmetic mean has to be adopted. We show that, under rather natural conditions, the discrete Choquet integral is an adequate aggregation operator that extends the weighted arithmet...

Angellys P. Ariza Guerrero Rister Barreto Pombo Roberto J. Herrera Acosta

Water pH and active ingredient concentration are two of the most important variables to consider in the manufacturing process of fungicides. If these variables do not meet the required standards, the quality of the product may be compromised and lead to poor fungicide performance when water is used as the application carrier, which is in most cases. Given the correlation between the variable...

H Orafai S Honary

The arithmetic mean roughness, Ra, values were determined by scanning electron microscopic technique of different core models (furazolidone, nitrofurantoin and acetyl salicylic acid), coated by HPMC film forming solution containing 10 wt% of various molecular weight PEGs. The results showed that both plasticizer molecular weight and core surface free energy could have a significant influence on...

2011
VICTOR KAFTAL GARY WEISS Vern I. Paulsen J. Calkin

This paper is part of an eight paper project [14]-[20] studying the arithmetic mean operator ideals in B(H) introduced by Dykema, Figiel, Weiss and Wodzicki in [10]. Every ideal I is generated by diagonal operators with positive decreasing sequences, and its arithmetic mean ideal Ia is generated by diagonal operators with the arithmetic means of those sequences. In this paper we focus on lattic...

2008
Gi-Sang Cheon Andrew W. Eckford

Using the arithmetic-geometric mean inequality, we give bounds for k-subpermanents of nonnegative n × n matrices F. In the case k = n, we exhibit an n 2-set S whose arithmetic and geometric means constitute upper and lower bounds for per(F)/n!. We offer sharpened versions of these bounds when F has zero-valued entries.

Journal: :Journal of clinical ultrasound : JCU 1988
R S Adler R A Bowerman J M Rubin

Quantitation of fetal parameters by prenatal sonography enables the assessment of menstrual age and fetal development. Appropriate fetal growth can be surmised on the basis of sequential measurements, as well as the relative variation of parameters such as biparietal diameter (BPD), femur diaphysis length (FDL), abdominal circumference (AC 1, and head circumference (HC). Accurate determination ...

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