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Article
operators for best approximation and best one sided approximation in metric for each 0

Author: Eman Samir Bhaya
Journal: Journal of University of Babylon مجلة جامعة بابل ISSN: 19920652 23128135 Year: 2005 Volume: 10 Issue: 3 Pages: 723-727
Publisher: Babylon University جامعة بابل

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Article
A characterization of the best and best one- sided algebraic approximation in Lp[0,11] (0

Author: Eman Samir Bhaya'a
Journal: Journal of University of Babylon مجلة جامعة بابل ISSN: 19920652 23128135 Year: 2005 Volume: 10 Issue: 3 Pages: 749-752
Publisher: Babylon University جامعة بابل

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Article
Degree of Approximation by Taylor Operator of Functions in I_p (U) Space for p <1

Authors: Eman Samir Bhaya --- Ahad Hameed
Journal: Journal of University of Babylon مجلة جامعة بابل ISSN: 19920652 23128135 Year: 2017 Volume: 25 Issue: 3 Pages: 770-773
Publisher: Babylon University جامعة بابل

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Abstract

In this paper we prove direct theorems for approximation of functions in I_(p(U)) spaces for p<1 using Taylor operator .

برهنا في هذا البحث مبرهنه مباشره من نوع جاكسون في التقريب المعقد للدوال في الفضاءات باستخدام منحني تايلرp<1 عندما〖 I〗_p(U)


Article
Coconvex Polynomial Approximation

Authors: Halgwrd Mohammed Darwesh --- Eman Samir Bhaya
Journal: Journal of Al-Qadisiyah for Computer Science and Mathematics مجلة القادسية لعلوم الحاسوب والرياضيات ISSN: 20740204 / 25213504 Year: 2009 Volume: 1 Issue: 1 Pages: 1-13
Publisher: Al-Qadisiyah University جامعة القادسية

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Let change its convexity finitely many times in the interval , say times at , We estimate the degree of approximation of by polynomials which change convexity exactly at the points where does.

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Article
DIRECT ESTIMATION FOR MULTIVARIATE POLYNOMIAL APPROXIMATION

Authors: Eman Samir Bhaya --- Hussein Ali Mohammed
Journal: journal of kerbala university مجلة جامعة كربلاء ISSN: 18130410 Year: 2007 Volume: 5 Issue: 2 Pages: 137-142
Publisher: Kerbala University جامعة كربلاء

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Abstract

The Bramble-Hilbert lemma is a fundamental result on multivariate polynomial approximation .It is frequently applied in the analysis of finite element methods used for numerical solutions. Our main result is to improve the following Bramble-Hilbert lemma to the case :let be abounded convex domain and let , ,0 ,where ( ) is the Sobolev spaces ,then there exists a polynomial P of degree m-1 for which c(n,m)(diam ) g , where . = is the Sobolev semi norm of order . As a consequence we get that for f L , < . c ,where ,is the rate of polynomial approximation of degree , and is the averaged modulus of smoothness, and >0.

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Article
A Saturation and Inverse theorems for Copositive approximation in Lp spaces,

Authors: Eman Samir Bhaya --- Sukeina Abdulla Al-Bermani
Journal: Journal of University of Babylon مجلة جامعة بابل ISSN: 19920652 23128135 Year: 2012 Volume: 20 Issue: 3 Pages: 863-867
Publisher: Babylon University جامعة بابل

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Abstract

In this paper we are interested in how well one can approximate a function in , by the function in , such that , , when and are copositive in , And introduce a theorem for the saturation of the copositive function approximation, it mean that the equivalence between = and = is obtained for .

التي تنتمي الى الفضاء من تقريب الداله نقدم في هذا البحث كيف يتمكن الواحد منا التي تنتمي لنفس الفضاء بحيث أن بواسطة الدالة عندما تكون الدالتان حافظتان للاشاره الموجبه على تلك الفترة . , كما قمنا بتمييز الدوال في الفضاء من خلال نظريه تبين التكافؤ بين . عندما = و =

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Article
Theorems on Lorentz Space

Authors: Eman Samir Bhaya --- Nada Mohammed Abbas
Journal: Journal of University of Babylon مجلة جامعة بابل ISSN: 19920652 23128135 Year: 2012 Volume: 20 Issue: 1 Pages: 50-52
Publisher: Babylon University جامعة بابل

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Abstract

In this paper we introduce a generalization of the Lorentz space .And prove some theorems about it.

قدمنا في هذا البحث توسيع لفضاء لورنز مع بعض المبرهنات حول هذا التوسيع .

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Article
Some Results on Comonotone Approximation

Authors: Munther Salman Chmaigh --- Eman Samir Bhaya
Journal: Journal of University of Babylon مجلة جامعة بابل ISSN: 19920652 23128135 Year: 2014 Volume: 22 Issue: 7 Pages: 1889-1895
Publisher: Babylon University جامعة بابل

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In this paper we introduce some direct inequalities about Comonotone approximation.

في هذا البحث سنقدم بعض النظريات المباشرة حول التقريب الحافظ للرتابة.


Article
Nearly Exponential Approximation for Neural Networks

Authors: Eman Samir Bhaya --- Zahraa Mahmoud Fadel
Journal: Journal of University of Babylon مجلة جامعة بابل ISSN: 19920652 23128135 Year: 2018 Volume: 26 Issue: 1 Pages: 103-113
Publisher: Babylon University جامعة بابل

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In this paper we prove that any real function in L_P (C) defined on a compact and convex subset of R^dcan be approximated by a sigmoidal neural network with one hidden layer , that we call nearly exponential.

برهنا في هذا البحث أن لأية داله معرفه على مجموعه محدبة ومرصوصة Cفي R^d يمكن تقريبها باستخدام شبكه عصبيه ذات طبقه مخفيه واحده فقط في( L_P (C وهذا ما نسميه بالتقريب الاسي الجانبي .


Article
Convex and monotone approximation on ordered vector space
التقريب المحدب والرتيب على الفضاءات المرتبة خطياً

Authors: Eman Samir Bhaya --- walaa Hussein Ahmed
Journal: journal of kerbala university مجلة جامعة كربلاء ISSN: 18130410 Year: 2018 Volume: 16 Issue: 1 Pages: 1-3
Publisher: Kerbala University جامعة كربلاء

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Abstract

The main aim of this paper is to introduce a result for the shape preserving for function in L_p space on the ordered vector space in terms of the K-th modulus of smoothness

تناول عملنا التقريب بقيود لتطبيقات في الفضاءات L_p (I) عندما 0

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