نتایج جستجو برای: s integral equation

تعداد نتایج: 1019165  

Journal: :نظریه تقریب و کاربرد های آن 0
م فریبرزی عراقی دانشگاه آزاد واحد تهران مرکز ق کاظمی گلیان دانشگاه آزاد واحد شیراز

in this paper , numerical solotion of abel's integral equationby using the taylor expanssion of the unknown functionvia collection method based on sinc is considered...

Journal: :international journal of industrial mathematics 0
m. a. fariborzi araghi department of mathematics, islamic azad university, central tehran branch, p.o. box 13185.768, tehran, iran s. yazdani department of mathematics, islamic azad university, central tehran branch, p.o. box 13185.768, tehran, iran

in this paper, we present a method for solving the rst kind abel integral equation. in thismethod, the rst kind abel integral equation is transformed to the second kind volterraintegral equation with a continuous kernel and a smooth deriving term expressed by weaklysingular integrals. by using sidi's sinm - transformation and modi ed navot-simpson'sintegration rule, an algorithm for...

In this paper, we use the continuous Legendre wavelets on the interval [0,1] constructed by Razzaghi M. and Yousefi S. [6] to solve the linear second kind integral equations. We use quadrature formula for the calculation of the products of any functions, which are required in the approximation for the integral equations. Then we reduced the integral equation to the solution of linear algebraic ...

Journal: :journal of sciences islamic republic of iran 0

in this paper, we use the continuous legendre wavelets on the interval [0,1] constructed by razzaghi m. and yousefi s. [6] to solve the linear second kind integral equations. we use quadrature formula for the calculation of the products of any functions, which are required in the approximation for the integral equations. then we reduced the integral equation to the solution of linear algebraic ...

Journal: :Journal de Théorie des Nombres de Bordeaux 1997

1997
Benjamin M M de WEGER Yuri Bilu Benjamin M M de Weger

The rational solutions with as denominators powers of to the elliptic diophantine equation y x x are determined An idea of Yuri Bilu is applied which avoids Thue and Thue Mahler equations and deduces four term S unit equations with special properties that are solved by linear forms in real and p adic logarithms Introduction In a recent paper SW my colleague R J Stroeker and I determined the com...

Journal: :computational methods for differential equations 0
saeed vahdati esfahan university

in this article,we present a wavelet method for solving stochastic volterra integral equations based on haar wavelets. first, we approximate all functions involved in the problem by haar wavelets then, by substituting the obtained approximations in the problem, using the it^{o} integral formula and collocation points then, the main problem changes into a system of linear or nonlinear equation w...

Journal: :bulletin of the iranian mathematical society 0
h. mirzaei faculty of basic sciences‎, ‎sahand university of technology‎, ‎tabriz‎, ‎iran.

‎in this paper‎, ‎we formulate the sixth-order boundary value problem as fredholm integral equation by finding green's function and obtain the sufficient conditions for existence and multiplicity of positive solution for this problem‎. ‎also nonexistence results are obtained‎. ‎an example is given to illustrate the results of paper‎.

Journal: :journal of sciences islamic republic of iran 0

various authors have considered the zero-rest-mass equation and the contour integral representation of its solutions. ferber generalized these equations to supertwistor spaces with 2n odd components so that with n=o we get the standard ungraded twistors of penrose. in this paper we use the batchelor theorem toconstruct the natural super twistor space with coarse topology with underlying standar...

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