نتایج جستجو برای: b value

تعداد نتایج: 1568706  

Abdellah Lamnii Jaoud Dabounou Omar El Khayyari

By using the trigonometric uniform splines of order 3 with a real tension factor, a numericalmethod is developed for solving a linear second order boundary value problems (2VBP) withDirichlet, Neumann and Cauchy types boundary conditions. The moment at the knots isapproximated by central finite-difference method. The order of convergence of the methodand the theory is illustrated by solving tes...

2011
YU-MING CHU CHENG ZONG GEN-DI WANG M. K. WANG

We find the greatest value α and the least value β such that the double inequality αT (a,b) + (1−α)G(a,b) < A(a,b) < βT (a,b) + (1− β)G(a,b) holds for all a,b > 0 with a = b . Here T (a,b) , G(a,b) , and A(a,b) denote the Seiffert, geometric, and arithmetic means of two positive numbers a and b , respectively. Mathematics subject classification (2010): 26E60.

Journal: :Investigative radiology 2013
Marnix C Maas Jurgen J Fütterer Tom W J Scheenen

OBJECTIVES Computed diffusion-weighted magnetic resonance imaging (cDWI) refers to the synthesizing of arbitrary b value diffusion-weighted images (DWI) from a set of measured b value images by voxelwise fitting. The objectives of this study were to quantitatively analyze the noise and the contrast-to-noise ratio (CNR) in cDWI as a function of b value by numerical simulations and by measurement...

R. Jalilian

We present a sixth-order non-polynomial spline method for the solutions of two-point nonlinear boundary value problem u(4)+f(x,u)=0, u(a)=α1, u''(a)= α2, u(b)= β1,u''(b)= β2, in off step points. Numerical method of sixth-order with end conditions of the order 6 is derived. The convergence analysis of the method has been discussed. Numerical examples are presented to illustrate the applications ...

Journal: :hepatitis monthly 0
eun sun kim departments of internal medicine, korea university college of medicine, korea yeon seok seo departments of internal medicine, korea university college of medicine, korea +82-29206608, [email protected]; departments of internal medicine, korea university college of medicine, korea +82-29206608, [email protected] bora keum departments of internal medicine, korea university college of medicine, korea ji hoon kim departments of internal medicine, korea university college of medicine, korea hyonggin an departments of internal medicine, korea university college of medicine, korea hyung joon yim departments of internal medicine, korea university college of medicine, korea

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهرکرد - دانشکده علوم پایه 1392

ژن zfx کد کننده یکی از اعضای خانواده پروتئین های انگشت روی می باشد که به عنوان تنظیم کننده خود نوزایی در چندین نوع سلول های بنیادی عمل می کند. علاوه بر این، بیان این ژن به طور غیر نرمال در چندین سرطان افزایش می یابد و با درجه بدخیمی ارتباط دارد. در این مطالعه به منظور بررسی نقش zfx در پاتوژنز آستروسیتوما، بیان آن با استفاده از روش real time rt-pcr در 25 نمونه بافت توموری آستروسیتوما با درجات مخ...

2016
Wei-Dong Jiang Feng Qi Gradimir V. Milovanović

We find the greatest value λ and the least value μ such that the double inequality C(λa + (1 − λ)b, 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 6= b, where C(a, b), A(a, b), and T (a, b) denote respectively the contraharmonic, arithmetic, and Toader means of two positive numbers a and b.

2015
ZAI-YIN HE MIAO-KUN WANG YU-MING CHU

We find the greatest value p1 = p1(α) and the least value p2 = p2(α) such that the double inequality Jp1 (a,b) <αA(a,b)+(1−α)L(a,b) < Jp2 (a,b) holds for any α ∈ (0,1) and all a,b > 0 with a = b . Here, A(a,b) , L(a,b) and Jp(a,b) denote the arithmetic, logarithmic and p -th one-parameter means of two positive numbers a and b , respectively. Mathematics subject classification (2010): 26E60.

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