نتایج جستجو برای: quadratic integral equations

تعداد نتایج: 382348  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده فنی 1391

the study of air infiltration into the buildings is important from several perspectives that may be noted to energy and design of hvac systems, indoor air quality and thermal comfort and design of smoke control systems. given the importance of this issue, an experimental and numerical study of air infiltration through conventional doors and windows has been explored in iran. to this end, at fir...

1996
Walter Alt

We investigate local convergence of an SQP method for non-linear optimal control of weakly singular Hammerstein integral equations. Suucient conditions for local quadratic convergence of the method based are discussed.

Journal: :international journal of mathematical modelling and computations 0
s. m. mirzaei faculty of science, minoodasht branch, islamic azad university, iran iran, islamic republic of department of mathematics

in this paper, we will compare a homotopy perturbation algorithm and taylor series expansin method for a system of second kind fredholm integral equations. an application of he’s homotopy perturbation method is applied to solve the system of fredholm integral equations. taylor series expansin method reduce the system of integral equations to a linear system of ordinary differential equation.

2009
WILLIAM C. JAGY

We show that many of Ramanujan’s modular equations of degree 3 can be interpreted in terms of integral ternary quadratic forms. This way we establish that for any n ∈ N

Journal: :نظریه تقریب و کاربرد های آن 0
ش جوادی دانشگاه خوارزمی تهران ج سعیدیان دانشگاه خوارزمی تهران ف صفری دانشکده ریاضی دانشگاه خوارزمی تهران

an ecient method, based on the legendre wavelets, is proposed to solve thesecond kind fredholm and volterra integral equations of hammerstein type.the properties of legendre wavelet family are utilized to reduce a nonlinearintegral equation to a system of nonlinear algebraic equations, which is easilyhandled with the well-known newton's method. examples assuring eciencyof the method and ...

Journal: :Journal of Advances in Mathematics and Computer Science 2019

Journal: :نظریه تقریب و کاربرد های آن 0
ل. هوشنگیان دانشگاه آزاد واحد دزفول د. میرزایی دانشکده ریاضی دانشگاه اصفهان

this paper gives an ecient numerical method for solving the nonlinear systemof volterra-fredholm integral equations. a legendre-spectral method based onthe legendre integration gauss points and lagrange interpolation is proposedto convert the nonlinear integral equations to a nonlinear system of equationswhere the solution leads to the values of unknown functions at collocationpoints.

Journal: :Quarterly Journal of Mathematics 2022

Abstract We study an asymptotic formula for counting integral points over equation defined by a non-degenerate indefinite ternary quadratic form f representing non-zero integer such that $-a\cdot det(\,f)$ is square number field. In particular, we prove the leading coefficient of this given product local densities normalized $1-p^{-1}$ all finite primes p.

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