نتایج جستجو برای: Singular integral equations

تعداد نتایج: 386236  

In this paper, a special technique is studied by using the orthogonal Chebyshev polynomials to get approximate solutions for singular and hyper-singular integral equations of the first kind. A singular integral equation is converted to a system of algebraic equations based on using special properties of Chebyshev series. The error bounds are also stated for the regular part of approximate solut...

Journal: :bulletin of the iranian mathematical society 0
s. ‎ahdiaghdam faculty of mathematical sciences‎, ‎university of tabriz‎, ‎tabriz‎, ‎iran. k. ‎ivaz faculty of mathematical sciences‎, ‎university of tabriz‎, ‎tabriz‎, ‎iran. s. ‎shahmorad faculty of mathematical sciences‎, ‎university of tabriz‎, ‎tabriz‎, ‎iran.

‎we study dual integral equations which appear in formulation of the‎ ‎potential distribution of an electrified plate with mixed boundary‎ ‎conditions‎. ‎these equations will be converted to a system of‎ ‎singular integral equations with cauchy type kernels‎. ‎using‎ ‎chebyshev polynomials‎, ‎we propose a method to approximate the‎ ‎solution of cauchy type singular integral equation which will ...

‎We study dual integral equations which appear in formulation of the‎ ‎potential distribution of an electrified plate with mixed boundary‎ ‎conditions‎. ‎These equations will be converted to a system of‎ ‎singular integral equations with Cauchy type kernels‎. ‎Using‎ ‎Chebyshev polynomials‎, ‎we propose a method to approximate the‎ ‎solution of Cauchy type singular integral equation which will ...

Journal: :iranian journal of science and technology (sciences) 2014
e. rahimi

a method for solving a class of weakly singular volterra integral equations is given by using the fractional differential transform method. the approximate solution of these equa­tions is calculated in the form of a finite series with easily computable terms. while in some examples this series solution increased up to the exact closed solution, in some other examples, we can see the accuracy an...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت دبیر شهید رجایی 1390

دراین پایان نامه نظر به اهمیت معادلات انتگرال ولترای خطی در حل مسائل فیزیک ،مهندسی و ... ، روش های کالوکیشن و کالوکیشن تکراری جهت حل معادلات انتگرال ولترای منفرد ضعیف مورد بررسی قرار می گیرند . سپس در ادامه در موردهمگرایی این روشها مطالب مفیدی بیان خواهد شد . در پایان نتیجه میگیریم که اگر جواب دقیق در برخی از فضاهای مناسب وجود داشته باشد ، با استفاده از این روش یک همگرایی قوی میتواند بوجود بیای...

Journal: :sahand communications in mathematical analysis 2015
parviz darania jafar ahmadi shali

in this paper, we studied the numerical solution of nonlinear weakly singular volterra-fredholm integral equations by using the product integration method. also, we shall study the convergence behavior of a fully discrete version of a product integration method for numerical solution of the nonlinear volterra-fredholm integral equations. the reliability and efficiency of the proposed scheme are...

In this paper, we studied the numerical solution of nonlinear weakly singular Volterra-Fredholm integral equations by using the product integration method. Also, we shall study the convergence behavior of a fully discrete version of a product integration method for numerical solution of the nonlinear Volterra-Fredholm integral equations. The reliability and efficiency of the proposed scheme are...

Journal: :Journal of Mathematical Physics 1966

ژورنال: پژوهش های ریاضی 2018
Mirzaee, Farshid, Samadyar;, Nasrin,

Introduction Many problems which appear in different sciences such as physics, engineering, biology, applied mathematics and different branches can be modeled by using deterministic integral equations. Weakly singular integral equation is one of the principle type of integral equations which was introduced by Abel for the first time. These problems are often dependent on a noise source which a...

2014
Samah M. Dardery

In this study, the existence and uniqueness of the solution of a class of nonlinear finite-part singular integral equations with Carleman shift preserving orientation has been investigated in the generalized Holder space () Γ ϕ H. 1. Introduction Many important problems of engineering mechanics like elasticity, plasticity, and fracture mechanics and aerodynamics can be reduced to the solution o...

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