Methods and effective algorithms for solving multidimensional integral equations
نویسندگان
چکیده
Objectives. Integral equations have long been used in mathematical physics to demonstrate existence and uniqueness theorems for solving boundary value problems differential equations. However, despite integral a number of advantages comparison with corresponding where conditions are present the kernels equations, they rarely obtaining numerical solutions due presence dense matrices that arise when discretizing as opposed sparse case Recently, development computer technology methods computational mathematics, solution specific problems. In work, two two-dimensional three-dimensional proposed describing several significant classes physics.Methods. The method collocation on non-uniform uniform grids is discretize To obtain resulting systems linear algebraic (SLAEs), iterative used. grid, an efficient multiplying SLAE matrix by vector created.Results. Corresponding SLAEs considered set up. Efficient algorithms using fast Fourier transforms obtained grid.Conclusions. While grid can be describe complex domain configurations, there constraints dimensionality described systems. When orders magnitude higher; however, this case, it may difficult configuration domain. Selection particular depends problem available resources. Thus, preferable many problems, while
منابع مشابه
Integral Equations Methods: Fast Algorithms and Applications
Integral equations have long been an invaluable tool in the analysis of linear boundary value problems associated with the Laplace and Helmholtz equations, the equations of elasticity, the time-harmonic Maxwell equations, the Stokes equation, and many more. Numerical methods based on integral equations have become increasingly popular, due in large part to the development of associated fast alg...
متن کاملMonte Carlo Algorithms for Solving Fredholm Integral Equations and Fredholm Differential Integral Equations
Monte Carlo Algorithms for Solving Fredholm Integral Equations and Fredholm Differential Integral Equations Behrouz Fathi Vajargah and Mojtaba Moradi Department of Mathematics Guilan University, Rasht, Iran [email protected], [email protected] Abstract In this paper we establish a new algorithm for solving non linear differential integral equations based on Monte Carlo methods. For obta...
متن کاملAPPLICATION OF FUZZY EXPANSION METHODS FOR SOLVING FUZZY FREDHOLM- VOLTERRA INTEGRAL EQUATIONS OF THE FIRST KIND
In this paper we intend to offer new numerical methods to solvethe fuzzy Fredholm- Volterra integral equations of the firstkind $(FVFIE-1)$. Some examples are investigated to verify convergence results and to illustrate the efficiently of the methods.
متن کاملAn efficient technique for solving systems of integral equations
In this paper, the wavelet method based on the Chebyshev polynomials of the second kind is introduced and used to solve systems of integral equations. Operational matrices of integration, product, and derivative are obtained for the second kind Chebyshev wavelets which will be used to convert the system of integral equations into a system of algebraic equations. Also, the error is analyzed and ...
متن کاملA New Iterative Method For Solving Fuzzy Integral Equations
In the present work, by applying known Bernstein polynomials and their advantageous properties, we establish an efficient iterative algorithm to approximate the numerical solution of fuzzy Fredholm integral equations of the second kind. The convergence of the proposed method is given and the numerical examples illustrate that the proposed iterative algorithm are valid.
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Rossijskij tehnologi?eskij žurnal
سال: 2022
ISSN: ['2782-3210', '2500-316X']
DOI: https://doi.org/10.32362/2500-316x-2022-10-6-70-77