نتایج جستجو برای: shilkret integral

تعداد نتایج: 115046  

Journal: :international journal of mathematical modelling and computations 0
j. rashidinia iran university of science and technology, narmak, tehran, iran iran, islamic republic of school of mathematics a. parsa iran university of science and technology, narmak, tehran, iran iran, islamic republic of school of mathematics

using the mean-value theorem for integrals we tried to solved the nonlinear integral equations of hammerstein type . the mean approach is to obtain an initial guess with unknown coefficients for unknown function y(x). the procedure of this method is so fast and don't need high cpu and complicated programming. the advantages of this method are that we can applied for those integral equation...

Journal: :bulletin of the iranian mathematical society 2011
j. pour-mahmoud m. y. rahimi s. shahmorad

Journal: :international journal of group theory 2014
roger alperin

we characterize the rational subsets of a finite group and discuss the relations to integral cayley graphs.

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: :computational methods for differential equations 0
abolfazl tari marzabad department of mathematics-shahed university-tehran-iran. seyed musa torabi department of mathematics-shahed university-tehran‎- ‎iran

‎‎‎in this paper‎, ‎we develop multi-step methods to solve a class of two-dimensional nonlinear volterra integral equations (2d-nvies) of the first kind‎. ‎here‎, ‎we convert a 2d-nvie of the first kind to a one-dimensional linear vie of the first kind and then we solve the resulted equation numerically by multi-step methods‎. ‎we also verify convergence and error analysis of the method‎. ‎at t...

Journal: :bulletin of the iranian mathematical society 2015
h. zhou g. ye w. liu o. wang

in the present paper, measure differential equations involving the distributional henstock-kurzweil integral are investigated. theorems on the existence and structure of the set of solutions are established by using schauder$^prime s$ fixed point theorem and vidossich theorem. two examples of the main results paper are presented. the new results are generalizations of some previous results in t...

Journal: :international journal of industrial mathematics 0
e. hashemizadeh‎ department of mathematics, karaj branch, islamic azad university, karaj, ‎iran. m. mohsenyzadeh department of mathematics, karaj branch, islamic azad university, karaj, ‎iran.

in this paper, the numerical technique based on hybrid bernoulli and block-pulse functions has been developed to approximate the solution of system of linear volterra integral equations. system of volterra integral equations arose in many physical problems such as elastodynamic, quasi-static visco-elasticity and magneto-electro-elastic dynamic problems. these functions are formed by the hybridi...

A numerical method for solving nonlinear Fredholm-Volterra integral equations of general type is presented. This method is based on replacement of unknown function by truncated series of well known Chebyshev expansion of functions. The quadrature formulas which we use to calculate integral terms have been imated by Fast Fourier Transform (FFT). This is a grate advantage of this method which has...

The fuzzy integrals are a kind of fuzzy measures acting on fuzzy sets. They can be viewed as an average membershipvalue of fuzzy sets. The value of the fuzzy integral in a decision making environment where uncertainty is presenthas been well established. Most of the integral inequalities studied in the fuzzy integration context normally considerconditions such as monotonicity or comonotonicity....

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