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A method based on order completion for solving general equations is presented. In particular, this method can be used for solving large classes of nonlinear systems of PDEs, with possibly associated initial and/or boundary value problems.

General Mathematics · Mathematics 2007-09-28 Elemer E Rosinger

This paper presents iterative methods for solving tensor equations involving the T-product. The proposed approaches apply tensor computations without matrix construction. For each initial tensor, these algorithms solve related problems in a…

Numerical Analysis · Mathematics 2025-04-28 Malihe Nobakht Kooshkghazi , Salman Ahmadi-Asl , Hamidreza Afshin

We consider the solution of systems of linear algebraic equations (SLAEs) with an ill-conditioned or degenerate exact matrix and an approximate right-hand side. An approach to solving such a problem is proposed and justified, which makes it…

Numerical Analysis · Mathematics 2024-05-08 A. S. Leonov

The Interior-Point Methods are a class for solving linear programming problems that rely upon the solution of linear systems. At each iteration, it becomes important to determine how to solve these linear systems when the constraint matrix…

Optimization and Control · Mathematics 2024-04-18 Catalina J. Villalba , Aurelio R. L. Oliveira

We show how to reduce the problem of solving members of a certain family of nonlinear differential equations to that of solving some corresponding linear differential equations.

General Mathematics · Mathematics 2023-05-10 Kerry M. Soileau

Using exhaustion method and finite differences a new method to solve system of partial differential equations and is presented. This method allows design algorithm to solve linear and nonlinear systems in irregular domains. Applying this…

Numerical Analysis · Mathematics 2025-04-10 Miriam Sosa-Díaz , Faustino Sanchez-Garduno

A linearizable version of multidimensional system of $n$-wave type nonlinear PDEs is proposed. This system is derived using the spectral representation of its solution via the procedure similar to the dressing method for the ISTM-integrable…

Exactly Solvable and Integrable Systems · Physics 2017-03-08 A. I. Zenchuk

This manuscript proposes a probabilistic framework for algorithms that iteratively solve unconstrained linear problems $Bx = b$ with positive definite $B$ for $x$. The goal is to replace the point estimates returned by existing methods with…

Optimization and Control · Mathematics 2014-10-16 Philipp Hennig

New method is presented to look for exact solutions of nonlinear differential equations. Two basic ideas are at the heart of our approach. One of them is to use the general solutions of the simplest nonlinear differential equations. Another…

Exactly Solvable and Integrable Systems · Physics 2015-06-26 N. A. Kudryashov

In this paper a novel hybrid approach for compensating the distortion of any interpolation has been proposed. In this hybrid method, a modular approach was incorporated in an iterative fashion. By using this approach we can get drastic…

Multimedia · Computer Science 2010-09-21 A. ParandehGheibi , M. A. Akhaee , A. Ayremlou , M. A. Rahimian , F. Marvasti

A simple alternative to the conjugate gradient(CG) method is presented; this method is developed as a special case of the more general iterated Ritz method (IRM) for solving a system of linear equations. This novel algorithm is not based on…

Numerical Analysis · Computer Science 2019-03-28 Josip Dvornik , Damir Lazarevic , Antonia Jaguljnjak Lazarevic , Marija Demsic

In this article, we present a parallel recursive algorithm based on multi-level domain decomposition that can be used as a precondtioner to a Krylov subspace method to solve sparse linear systems of equations arising from the discretization…

Numerical Analysis · Mathematics 2012-10-24 Rahul S. Sampath , Bobby Philip , Srikanth Allu , Srdjan Simunovic

A zero-finding technique for solving nonlinear equations more efficiently than they usually are with traditional iterative methods in which the order of convergence is improved is presented. The key idea in deriving this procedure is to…

Numerical Analysis · Mathematics 2011-06-07 Miquel Grau-Sánchez , José Luis Díaz-Barrero

A multi-step extended maximum residual Kaczmarz method is presented for the solution of the large inconsistent linear system of equations by using the multi-step iterations technique. Theoretical analysis proves the proposed method is…

Numerical Analysis · Mathematics 2023-09-07 Aqin Xiao , Junfeng Yin , Ning Zheng

This work proposes a research problem of finding sparse solution of undetermined Linear system with some applications. Two approaches how to solve the compressive sensing problem: using l_1 approach , the l_q approach with 0 < q < 1.…

Optimization and Control · Mathematics 2017-02-24 Maddullah Almerdasy

A new system of coupled higher-order nonlinear Schroedinger equations is proposed which passes the Painleve test for integrability well. A Lax pair and a multi-field generalization are obtained for the new system.

Exactly Solvable and Integrable Systems · Physics 2007-05-23 S. Yu. Sakovich , Takayuki Tsuchida

A new method for derivation of the equation of motion from the field equation is proposed. The problem of embedding the singularities in a field satisfying the field equations is discussed.

General Relativity and Quantum Cosmology · Physics 2007-05-23 Shmuel Kaniel , Yakov Itin

Iterative methods have led to better understanding and solving problems such as missing sampling, deconvolution, inverse systems, impulsive and Salt and Pepper noise removal problems. However, the challenges such as the speed of convergence…

Signal Processing · Electrical Eng. & Systems 2024-09-23 Mahdi Shamsi , Mahmoud Ghandi , Farokh Marvasti

A novel tensor-based formula for solving the linear systems involving Kronecker sum is proposed. Such systems are directly related to the matrix and tensor forms of Sylvester equation. The new tensor-based formula demonstrates the…

General Mathematics · Mathematics 2025-04-15 Ahmad Y. Al-Dweik , Abdallah Sayyed-Ahmad

This paper presents an innovative approach, the Adaptive Orthogonal Basis Method, tailored for computing multiple solutions to differential equations characterized by polynomial nonlinearities. Departing from conventional practices of…

Numerical Analysis · Mathematics 2024-04-23 Lin Li , Yangyi Ye , Huiyuan Li