Volume 5 Issue 1
Published: 2008-06-05
Contents
Article
Stability Conditions of Zero Solution for Third Order Differential Equation in Critical Case
Thair Y . Thanoon, Saad Fawzi AL-Azzawi
In this paper, we study the conditions under which the zero solution is stable in the semi- liner case for certain third order differential equation of the form : Where , s = 1,2,3 , , ,...
DOI: 10.33899/csmj.2008.163955
Research Paper
An Approximate Solution of Non-Linear System of Volterra Integral Equation
Burhan F. J. Al-Salehi
A Taylor series expansion is developed and applied to evaluate an approximate solution of the non-linear system of Volterra integral equation of the second kind for both Urysohn and Hammerstein...
DOI: 10.33899/csmj.2008.163945
w-Wiener Polynomials of the Width Distance of the Square of a Path and a Cycle and a m-Cubic
Ali A. Ali, Asma S. Aziz
Let G be a k0-connected graph ,and let , ,be the w- width 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 polynomials...
DOI: 10.33899/csmj.2008.163959
Maximal Generalization of Pure Ideals
Raida D. Mahmood, Awreng B. Mahmood
The purpose of this paper is to study the class of the rings for which every maximal right ideal is left GP-ideal. Such rings are called MGP-rings and give some of their basic properties as well as...
DOI: 10.33899/csmj.2008.163946
A New Numerical Procedure to Compute the Residues of a Complex Functions
Abbas Y. Al-Bayati, Sasan A. Al-Shwani
In this paper, we are going to deal with computations of Residues and Poles for the complex functions . We are also going to investigate a new numerical procedure theoretically and its...
DOI: 10.33899/csmj.2008.163947
Vertical Flow in Viscous Thin Films
Khidr M.S. Khidr, Hikmat Sh. Mustafa
The aim of this paper is to investigate the vertical flow in thin films of an incompressible liquids with no inertia force. Continuity equation and Navier-Stokes equations are used to obtain the...
DOI: 10.33899/csmj.2008.163960
Hybrid Algorithm for Image Denoising
Hanan Hamid Ali
The development in life has made the need for using images very important in many fields like space, engineering and medicine. Due to the fact that such images are affected by various noises from...
DOI: 10.33899/csmj.2008.163961
On Centrally Prime and Centrally Semiprime Rings
Adil K. Jabbar, Abdularahman H. Majeed
In this paper, centrally prime and centrally semiprime rings are defined and the relations between these two rings and prime (resp. semiprime) rings are studied.Among the results of the paper some...
DOI: 10.33899/csmj.2008.163948
Application of Polyalphabetic Substitution Cipher using Genetic Algorithm
Ghusoon Salim Basheer
Several Genetic Algorithms have been developed for applications of cryptography problem; the primary distinction among all of them being the G.A. used for decryption problem and obtains the plain...
DOI: 10.33899/csmj.2008.163949
Reduction of the Accompanying Noise when Hidding in an Audio File
Radwan Y.S. Al-Jawadi, Adel S. Issa
The stereography which used to hide certain information using a host file is a science and an art. Such practice is usually done to keep away any thought in the presence of a hidden message in the...
DOI: 10.33899/csmj.2008.163962
A New Family of Spectral CG-Algorithm
Abbas Y. Al-Bayati, Runak M. Abdullah
A new family of CG algorithms for large-scale unconstrained optimization is introduced in this paper using the spectral scaling for the search directions, which is a generalization of the spectral...
DOI: 10.33899/csmj.2008.163950
Limit Cycles of Lorenz System with Hopf Bifurcation
Azad I. Amen, Rizgar H. Salih
We prove that near the bifurcation point unstable limit cycle arises from the Lorenz system. In the analysis, we use the method of local bifurcation theory, especially the center manifold and the...
DOI: 10.33899/csmj.2008.163951
Numerical Solution to the Fluid Flow in a Bend Duct Equation
Badran J. Salem
The Fluid Flow in a bend Duct equation had been solved numerically by using two methods. The first is ADE (Alternating Direction Explicit) method and the second is ADI (Alternating Direction...
DOI: 10.33899/csmj.2008.163963
Comparison on Color Quantization Techniques
Alyaa taqi
Due to the fast and high development in computer technology and the reflection of this development on digital images ,many image processing algorithms became in need to initialization steps for the...
DOI: 10.33899/csmj.2008.163965
Convergence Analysis of the Finite Difference Solution for the Nonlinear Klein-Gordon Equation
Ekhlass S. Al-Rawi
This paper is devoted to drive the matrix algebraic equation for the one-dimensional nonlinear Klein-Gordon equation which is obtained from using the implicit finite difference method. The...
DOI: 10.33899/csmj.2008.163952
Hosoya Polynomials of Steiner Distance of Complete m-partite Graphs and Straight Hexagonal Chains(*)
Ali Aziz Ali, Herish O. Abdullah
The Hosoya polynomials of Steiner distance of complete m-partite graphs and Straight hexagonal chains are obtained in this paper. The Steiner n-diameter and Wiener index of Steiner n-distance of...
DOI: 10.33899/csmj.2008.163953
Using the Genetic Algorithm in Images Matching
Nidal H. Al-Asadi, Ghosson S. Bashir
The proposes of the present work is to suggest the use of a purely Genetic Algorithm(GA) as a search technique for the global optimum estimates of the transformation parameters. Because Genetic...
DOI: 10.33899/csmj.2008.163966
Priority Dispatching Rules for Virtual Manufacturing Using Genetic Algorithm
Akela M. Al-Atroshi, Abdulsatar M. Khudur, Sama Talee Azez Al-Aubaidy
The current research concentrates on designing and applying an intelligent information system by the use of (Oracle) language based Multi- Agents manufacturing process to produce a new product....
DOI: 10.33899/csmj.2008.163956
Nonstandard Treatment of Two Dimensional Taylor Series with Reminder Formulas
Ibrahim O. Hamad
The aim of this paper is to establish some new two dimensional Taylor series formulas using some concepts of nonstandard analysis given by Robinson and axiomatized by Nelson
DOI: 10.33899/csmj.2008.163957
Numerical Solution for Linear Parabolic Reaction-Double Diffusivity System using the Operational Matrices of the Haar Wavelets Method
Ahmed F. Qasem
We are using the operational matrices of the Haar wavelets method for solving linear parabolic reaction-diffusion system with double diffusivity. A numerical method based on the Haar wavelets...
DOI: 10.33899/csmj.2008.163958
