Volume 5 Issue 2
Published: 2025-06-25
Contents
Article
Stability Analysis of Gray-Scott Model in One-dimension
Abbas Y. Al-Bayati, Saad A. Manaa, Abdulghafor M. Al-Rozbayani,
In this Paper, we studied the stability analysis of steady state solutions of Gray-Scott Model in one-dimension using Fourier mode and we showed that the solutions are conditionally stable.
Research Paper
Tabu Search Method for Solving the Traveling salesman Problem
Isra Natheer Alkallak, Ruqaya Zedan Sha’ban,
This research presents the fundamental concepts of tabu search for optimization problem as symmetric traveling salesman problem. The purpose of this research is to solve the traveling salesman...
On sπ-Weakly Regular Rings
Raida D. Mahmood, Abdullah M. Abdul-Jabbar,
A ring R is said to be right(left) sp-weakly regular if for each a R and a positive integer n, a aR aR (a R aR a). In this paper, we continue to study sp-weakly regular rings due to R. D. Mahmood...
The Finite Difference Methods for φ4 Klein-Gordon Equation
Saad A. Manaa, Laya Y. Hawell,
We solved4 Klein-Gordon equation numerically by using two finite difference methods: The first is the explicit method and the second is the implicit (Crank-Nicholson) method. Also, we studied the...
Pupil Detection Execution Time Reduction in Iris Recognition System
Maha A. Hasso, Bayez K. Al-Sulaifanie, Kaydar M. Quboa,
Iris recognition is regarded as the most reliable and accurate biometric identification system available. The work presented in this paper involves improving iris segmentation to reduce execution...
Continuity as a Galaxy of Hyperreal Functions
Ibrahim O. Hamad,
In the present paper, the problem of defining continuity and s-continuity as a galaxy of hyperreal function is discussed. Our attempt is based on the fact that monads are subsets of some galaxies....
New Secant Hyperbolic Model for Conjugate Gradient Method
Abbas Y. Al-Bayati, Ban Ahmed Mitras,
New hyperbolic model different from the quadratic ones is proposed for solving unconstrained optimization problems which modify the classical conjugate gradient method. This new model was compared...
A New Restarting Criterion for FR-CG Method with Exact and Inexact Line Searches
Maha S. Younis,
A new restarting criterion for FR-CG method is derived and investigated in this paper. This criterion is globally convergent whenever the line search fulfills the Wolfe conditions. Our numerical...
An Algorithm for Data Hiding in Binary Images
Eman Th. Sedeek Al-obaidy,
In this work a new data hiding algorithm for binary images is used. In this algorithm the pixels which can be flipped without introducing noticeable artifacts are identified at first by using some...
Parallel Gaussian Elimination Method
Muhammad W. Muhammad Ali,
The aim of the project is to develop parallel approaches for Gaussian Elimination Methods that are used in linear programming to solve linear module systems. Most of these models are...
Designing Fuzzy Model for Applying the Linear Method for Enhancing the Edges of the Satellite Images
Omar M.A. Al-Dewajy,
This research aims at designing Fuzzy model for applying the Linear Method for Enhancing the Edges of the Satellite Images. The researcher depended on some information about the satellite image...
Investigated Non-Conic Model for Constrained Optimization
Eman Tarik Al-Haj Saeed, Huda Issam Ahmed,
In this search, we develop the nonlinear constrained optimization by investigation a new region of solution depending on extended conic model to non-conic model by using conjugate gradient method....
Applying Classical and Intelligence Techniques for Digital Image Contrast Enhancement
Alyaa taqi
Modern digital camera technology has produced huge services for the users from different ages and specifications .It made it easer to have images, but the user still needs to enhance those images,...
On CS- Rings
Anas S. Youns AL-Mashhdanny, Mohammed Th. Youns AL-Neimi,
The main purpose of this paper is to study CS-rings. We give some properties of right CS-rings and the connection between such rings and reduced rings, regular rings, strongly regular rings, and...
Weiner Polynomials to Generalize the Distance of Some Composite Graphs from Special Graphs
Ahmed M. Ali, Ali Aziz Ali,
It is not easy to find the Wiener polynomials for generalized distance of compound graphs constructed in the formand for any two disjoint connected graphs and .Therefore, in this paper, we obtain...
Runge-Kutta Methods of Higher Order for Solving Stiff Problems
Mohammed Mahmood Salih, Basheer Salih,
Our purpose in this research is the development of higher order Runge-Kutta methods for solving stiff systems. We have developed methods of order five, six, and seven. We studied their stability...
Evaluation of Clustering Validity
Ghayda A.A. Al-Talib, Rudhwan Yousif Sideek,
Clustering is a mostly unsupervised procedure and the majority of the clustering algorithms depend on certain assumptions in order to define the subgroups present in a data set. As a consequence,...
Studying the Stability of Some Non-Linear Time Series Models with Application
Abdulghafoor Gasim Salim, Nihad Sharif Khalaf,
In this paper we study the stability of time series models in general, and for some non-linear time series models as a special case. Lagrange method to find the stability of non-linear models has...
A Nonstandard Generalization of Envelopes
Tahir H. Ismail, Ibrahim O. Hamad,
The generalized envelopes are studied by a given nonstandard definition of envelope of a family of lines defined in a projective homogenous coordinates PHC by: u(t)x + v(t)y + w(t)z = 0. The new...
A kind of Upwind Finite Element Approximations for Compressible Flow of Contamination from Nuclear Waste in Porous Media
Ekhlass S. Al-Rawi, Abbas Y. Al-Bayati, Saad A. Manaa,
A non-linear parabolic system is derived to describe compressible nuclear waste disposal contamination in porous media . Galerkin method is applied for the pressure equation . For the concentration...
Design a Fuzzy Expert System for Pediatrics Diseases Diagnosis
Nada N. Saleem,
Fuzzy logic is a branch of artificial intelligence techniques, it deals with uncertainty in knowledge that simulates human reasoning in incomplete or fuzzy data. Fuzzy relational inference that was...
Measuring of Oracle Optimizer Performance for Object-Relational Database Entities
Esam Mahmoud Mohammed, Alaa F.S. AL_Mukhtar,
SQL Optimization is the process of choosing the most efficient way to execute SQL such as Data manipulation language (Select, Insert, Update, Delete). Relational model represents the object through...
On Crossed Modules and Crossed Homomonphisms
Abdul Aali J. Mohammed, Manal Abd Fathi,
The purpose of this paper is to study the crossed modules and crossed homomonphisms, and since these concepts are related to the group actions on groups we presented these types of actions.
w-Wiener Polynomials for Width Distance of the Cartesian Product of K2 with Special Graphs
Ali A. Ali, Asma S. Aziz,
, be the w- width , Let G be a k0-connected graph, and let the distance between the two vertices u,v in G. The w-Wiener polynomial of the width distance of G is defined by: The w-Wiener...
