نتایج جستجو برای: aor iterative method

تعداد نتایج: 1670222  

Journal: :bulletin of the iranian mathematical society 0
husain piri department of mathematics, bonab higher education complex hamid vaezi faculty of mathematical sciences university of tabriz, tabriz, iran

begin{abstract} in this paper, we introduce an iterative method for amenable semigroup of non expansive mappings and infinite family of non expansive mappings in the frame work of hilbert spaces. we prove the strong convergence of the proposed iterative algorithm to the unique solution of a variational inequality, which is the optimality condition for a minimization problem. the results present...

Journal: :Computers & Mathematics with Applications 2009
Ting-Zhu Huang Li-Tao Zhang

Relaxed technique is one of techniques for improving convergence rate of splitting iterative methods. Based on local relaxed method and system relaxed method of parallel multisplitting Frommer andMayer [A. Frommer, G. Mayer, Convergence of relaxed parallel multisplitting methods, Linear Algebra Appl. 119 (1989) 141–152], we give the global relaxed parallel multisplitting (GRPM) method by introd...

Journal: :bulletin of the iranian mathematical society 2012
husain piri hamid vaezi

begin{abstract} in this paper, we introduce an iterative method for amenable semigroup of non expansive mappings and infinite family of non expansive mappings in the frame work of hilbert spaces. we prove the strong convergence of the proposed iterative algorithm to the unique solution of a variational inequality, which is the optimality condition for a minimization problem. the results present...

Journal: :journal of linear and topological algebra (jlta) 0
m nili ahmadabadi department of mathematics, islamic azad university, najafabad branch, iran.

in this paper, a fundamentally new method, based on the de nition, is introduced for numerical computation of eigenvalues, generalized eigenvalues and quadratic eigenvalues of matrices. some examples are provided to show the accuracy and reliability of the proposed method. it is shown that the proposed method gives other sequences than that of existing methods but they still are convergent to t...

Journal: :نظریه تقریب و کاربرد های آن 0
m khanian department of mathematics, khorasgan (isfahan) branch, islamic azad university, isfahan, iran. a. davari department of mathematics, faculty of sciences, university of isfahan, isfahan, iran.

image restoration has been an active research area. di erent formulations are e ective in high qualityrecovery. partial di erential equations (pdes) have become an important tool in image processingand analysis. one of the earliest models based on pdes is perona-malik model that is a kindof anisotropic di usion (andi) lter. anisotropic di usion lter has become a valuable tool indi erent elds...

Journal: :international journal of industrial mathematics 0
r. ketabchi‎ department of mathematics, science and research branch, islamic azad university,tehran,‎iran‎. r. mokhtari department of mathematical sciences, isfahan university of technology, isfahan 84156-83111, ‎iran‎. e. babolian department of mathematics, science and research branch, islamic azad university, tehran, ‎iran.

this paper is concerned with a technique for solving volterra integral equations in the reproducing kernel hilbert space. in contrast with the conventional reproducing kernel method, the gram-schmidt process is omitted here and satisfactory results are obtained.the analytical solution is represented in the form of series.an iterative method is given to obtain the approximate solution.the conver...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه محقق اردبیلی - دانشکده علوم 1389

در این پایان نامه نیمه همگرایی روش تکراری فوق تخفیف شتاب داده شده ( aor) برای مسأله ی کمترین توان های دوم با رتبه ی ناقص را مطالعه می کنیم. شرایط لازم و کافی برای نیمه همگرایی روش های تکراری (jor), (aor)و گوس- سایدل بیان شده است. پارامترهای بهینه و عامل همگرایی وابسته بدست آمده است و در پایان چند مثال عددی برای روشن ساختن نتایج نظری آورده ایم.

A systematic way is presented for the construction of multi-step iterative method with frozen Jacobian. The inclusion of an auxiliary function is discussed. The presented analysis shows that how to incorporate auxiliary function in a way that we can keep the order of convergence and computational cost of Newton multi-step method. The auxiliary function provides us the way to overcome the singul...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم پایه 1388

چکیده ندارد.

ژورنال: پژوهش های ریاضی 2020

In this paper, we develop some stationary iterative schemes in block forms for solving double saddle point problem. To this end, we first generalize the Jacobi iterative method and study its convergence under certain condition. Moreover, using a relaxation parameter, the weighted version  of the Jacobi method together with its convergence analysis are considered. Furthermore, we extend a method...

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