نتایج جستجو برای: simpson approximation

تعداد نتایج: 201403  

Journal: :The journal of analysis 2021

Abstract A new generalized integral identity involving first order differentiable functions is obtained. Using this as an auxiliary result, we then obtain some refinements of Simpson type inequalities using a class called strongly ( s , m )-convex higher $$\sigma &gt;0$$ σ &gt; 0</mml:...

Journal: :Mathematics 2022

The research background is the elastic ring squeeze film damper. Four contact pressure models were established by analyzing structural characteristics and movement, combined with sliding bearing theory, including parameters eccentricities. Multi-structure multi-interval dynamic boundary conditions selected actual structures. Simpson, polynomial, integrated methods extended Booker formulas. By c...

2003
Michael Bamberger Gregory Ingram JOHN M. QUIGLEY

In contrast to many commodities traded in the economy, housing services include a diverse bundle of attributes priced in a complex way. Because of the high costs of transforming housing bundles, arbitrage is generally impossible; thus it is to be expected that the prices of individual attributes vary jointly in a nonlinear way, even in market equilibrium. Indeed, in the housing literature there...

Journal: :Emerging Themes in Epidemiology 2008
Yu-Kang Tu David Gunnell Mark S Gilthorpe

This article discusses three statistical paradoxes that pervade epidemiological research: Simpson's paradox, Lord's paradox, and suppression. These paradoxes have important implications for the interpretation of evidence from observational studies. This article uses hypothetical scenarios to illustrate how the three paradoxes are different manifestations of one phenomenon--the reversal paradox-...

2014
Kyoji TSUDA Hiroyoshi AKUTSU Tetsuya YAMAMOTO Kei NAKAI Eiichi ISHIKAWA Akira MATSUMURA

It is generally accepted that the first choice of treatment for spinal meningiomas is "radical" surgical removal. However, Simpson grade I removal is sometimes difficult, especially in cases with ventral dural attachment, because of the risk of spinal cord damage or the difficulty of dural repair after radical resection. In addition, there is no consensus on a surgical strategy for radicality, ...

ژورنال: :علوم محیطی 0
احسان پروانه اول دانشگاه آزاد اسلامی مائده دهقانی تفتی دانشگاه آزاد اسلامی بهرام حسن زاده کیابی داﻧﺸﮕﺎه ﺷﻬﯿﺪ ﺑﻬﺸﺘﯽ

مقاله پیش رو حاصل بررسی 7 ماهه (فروردین تا اول آبان ماه 1386) ، در اطراف شهرستان سبزوار است . نمونه ها در این مدت در 7 پلات 1 هکتاری (100 متر × 100 متر ) ، به منظور بررسی رابطه ی احتمالی میان تنوع ، غنا، یکنواختی و فراوانی گونه ای سوسماران با نوع پوشش گیاهی و میزان تاج پوشش آن ها ، به دو صورت پیمایشی و استفاده از تله های چاله ای (pitfall) جمع آوری شدند. تعداد 20 تله در هر کوادرات ( به صورت سیست...

2017
Ross Secord

Mammalian fossils from two principal collecting areas in the lower Hanna Formation of the Carbon Basin comprise three faunas, the Grayson Ridge, Halfway Hill, and Sand Creek faunas. The Grayson Ridge and Halfway Hill faunas are diverse, consisting cumulatively of 29 mammalian species, at least two of which are new. The faunas are approximately equivalent in age and are either latest lbrrejonian...

Journal: :Proceedings of the Yorkshire Geological Society 1918

Journal: :Applied Mathematics Letters 2011

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