نتایج جستجو برای Approximate solution

تعداد نتایج: 368663

## Approximate solution of dual integral equations

2016

‎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 ...

## Approximate Solution of Fuzzy Fractional Differential Equations

2017

‎In this paper we propose a method for computing approximations of solution of fuzzy fractional differential equations using fuzzy variational iteration method. Defining a fuzzy fractional derivative, we verify the utility of the method through two illustrative ‎examples.‎

## Simulation-Based Approximate Solution

2010
Dimitri P. Bertsekas, Mengdi Wang,

We consider linear least squares problems, or linear systems that can be formulated into least squares problems, of very large dimension, such as those arising for example in dynamic programming (DP) and inverse problems. We introduce an associated approximate problem, within a subspace spanned by a relatively small number of basis functions, and solution methods that use simulation, importance...

## Approximate Partial Solution Method for

1998
Erkki Heikkola, Yuri Kuznetsov, Tuomo Rossi, Jari Toivanen,

The linear systems with separable matrices arising from the nite diierence discretization of constant-coeecient elliptic equations in rectangles are considered. A new direct method is proposed and analyzed for the approximate solution of general partial solution problems for such systems of grid equations. This method can be used also with quasiuniform discretization grids, whereas the earlier ...

## Approximate solution of fourth order differential equation in Neumann problem

2013
D. Kalvand, J. Rashidinia, L. Tepoyan,

Generalized solution on Neumann problem of the fourth order ordinary differential equation in space \$W^2_alpha(0,b)\$ has been discussed, we obtain the condition on B.V.P when the solution is in classical form. Formulation of Quintic Spline Function has been derived and the consistency relations are given.Numerical method,based on Quintic spline approximation has been developed. Spline solution ...

## Analytical-Approximate Solution for Nonlinear Volterra Integro-Differential Equations

2015

In this work, we conduct a comparative study among the combine Laplace transform and modied Adomian decomposition method (LMADM) and two traditional methods for an analytic and approximate treatment of special type of nonlinear Volterra integro-differential equations of the second kind. The nonlinear part of integro-differential is approximated by Adomian polynomials, and the equation is reduce...

## approximate solution of dual integral equations

Journal: :bulletin of the iranian mathematical society 0
s. ‎ahdiaghdam, faculty of mathematical sciences‎, ‎u..., faculty of mathematical sciences‎, ‎u..., faculty of mathematical sciences‎, ‎u...,

‎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 ...

## Eecient Approximate Solution of Sparse Linear Systems

2007
John H. Reif,

We consider the problem of approximate solution e x of a linear system Ax = b over the reals, such that kAe x ? bk kbk; for a given ; 0 < < 1: This is one of the most fundamental of all computational problems. Let (A) = kAkkA ?1 k be the condition number of the n n input matrix A. Sparse, diagonally dominant (DD) linear systems appear very frequently in the solution of linear systems associated...

## Approximate solution of singular integral equations

Journal: :Appl. Math. Lett. 2004
A. Chakrabarti, Guido Vanden Berghe,

K e y w o r d s I n t e g r a l equations, Cauchy type, Singular kernels. 1. I N T R O D U C T I O N Singular integral equations of the first kind, with a Cauchy type singular kernel, over a finite interval can be represented by the general equation f f _ l f(t)[ko(t,x)+k(t,x)]dt = g(x), 1 < x < 1, (1.1) 1 where ko(t, x) x) t) 0) (1.2) t x ' and k are regular square in tegrab le funct ions of t...

## Approximate Solution of NP Optimization Problems

Journal: :Theor. Comput. Sci. 1995
Giorgio Ausiello, Pierluigi Crescenzi, Marco Protasi,

This paper presents the main results obtained in the field of approximation algorithms in a unified framework. Most of these results have been revisited in order to emphasize two basic tools useful for characterizing approximation classes, that is, combinatorial properties of problems and approximation preserving reducibilities. In particular, after reviewing the most important combinatorial ch...

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