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All published articles 1763

Mathematical Model of Cholera Transmission with Education Campaign and Treatment Through Quarantine

H. O. Nyaberi & D. M. Malonza · Journal of Advances in Mathematics and Computer Science · 2019

Cholera, a water-borne disease characterized by intense watery diarrhea, affects people in the regions with poor hygiene and untreated drinking water. This disease remains a menace to public health globally and it indicates inequity and lack of community development. In this rese...

Open access Research Article 10.9734/jamcs/2019/v32i330145

Mathematical Modeling of Typhoid Fever Disease Incorporating Unprotected Humans in the Spread Dynamics

Julia Wanjiku Karunditu, George Kimathi & Shaibu Osman · Journal of Advances in Mathematics and Computer Science · 2019

A deterministic mathematical model of typhoid fever incorporating unprotected humans is formulated in this study and employed to study local and global stability of equilibrium points. The model incorporating Susceptible, unprotected, Infectious and Recovered humans which are ana...

Open access Research Article 10.9734/jamcs/2019/v32i330144

Road Network Pre-partitioning Method with Priority for Congestion Control

Hao She & Xingsheng Xie · Journal of Advances in Mathematics and Computer Science · 2019

Urban traffic congestion seriously affects the traffic efficiency, causing travel delays and resources wasted directly. In this paper, a road network pre-partitioning method with priority for congestion control is proposed to reduce traffic congestion. Traffic flow feature is ext...

Open access Research Article 10.9734/jamcs/2019/v32i230143

A Sharp Estimate of Entropy Solution to Euler-Poisson System for Semiconductors in the Whole Domain

Yanqiu Cheng, Xixi Fang & Huimin Yu · Journal of Advances in Mathematics and Computer Science · 2019

In this paper, we are concerned with the global existence, large time behavior, and timeincreasing-rate of entropy solutions to the one-dimensional unipolar hydrodynamic model for semiconductors in the form of Euler-Poisson equations. When the adiabatic index γ > 2, the L∞ est...

Open access Research Article 10.9734/jamcs/2019/v32i230140

An Improved Geo-Textural Based Feature Extraction Vector For Offline Signature Verification

Kennedy Gyimah, Justice Kwame Appati, Kwaku Darkwah & Kwabena Ansah · Journal of Advances in Mathematics and Computer Science · 2019

In the field of pattern recognition, automatic handwritten signature verification is of the essence. The uniqueness of each person’s signature makes it a preferred choice of human biometrics. However, the unavoidable side-effect is that they can be misused to feign data authentic...

Open access Research Article 10.9734/jamcs/2019/v32i230141

New Conditions That Guarantee Uniform Asymptotically Stable and Absolute Stability of Singularly Perturbed Systems of Certain Class of Nonlinear Differential Equations

Ebiendele Peter & Asuelinmen Osoria · Journal of Advances in Mathematics and Computer Science · 2019

The objectives of this paper is to investigate singularly perturbed system of the fourth order differential equations of the type,       to establish the necessary and  sufficient new conditions that guarantee, uniform asymptotically stable, and absolute  stability of the  system...

Open access Research Article 10.9734/jamcs/2019/v32i230142

Solving Delay Differential Equations Using Reformulated Block Backward Differentiation Formulae Methods

U. W. Sirisena & S. Y. Yakubu · Journal of Advances in Mathematics and Computer Science · 2019

In this paper, the conventional backward differentiation formulae methods for step numbers k = 3 and 4 were reformulated by shifting them one-step backward to produce two and three approximate solutions respectively, in a step when implemented in block form. The derivation of the...

Open access Research Article 10.9734/jamcs/2019/v32i230139

Design and Implementation of a Fuzzy Expert System for Diagnosing Breast Cancer

F. M. Okikiola, E. E. Aigbokhan, A. M. Mustapha, I. O. Onadokun & O. A. Akinade · Journal of Advances in Mathematics and Computer Science · 2019

The death rate is caused by breast cancer in women is increasingly high and growing. A number of people are getting to lose this part of their body due to late diagnosis of this disease. This therefore requires the development of an efficient and accurate diagnosis approach that...

Open access Research Article 10.9734/jamcs/2019/v32i130137

An Investigation of the Use of Eigen Values in Human Face Modeling for Recognition Tasks

Emad F. Khalaf · Journal of Advances in Mathematics and Computer Science · 2019

The face image modeling by eigenvalues is not a new track in the literature. However, a much complete study is required to achieve a comprehensive investigation of the topic. In this research paper, an experimental methodology is conducted for studying the different alternatives...

Open access Research Article 10.9734/jamcs/2019/v32i130135

Time Series Modeling and Forecasting of Consumer Price Index in Ghana

Aabeyir Boniface & Anokye Martin · Journal of Advances in Mathematics and Computer Science · 2019

The knowledge of economic and financial indicators is the basis of making right decisions and sound judgment with respect to investment and allocation scare of resources. Such important indicators include the consumer price index, which measures the change in the prices paid by h...

Open access Research Article 10.9734/jamcs/2019/v32i130134

Statistical Analysis of the Mixture of Inverted Exponential Distribution Under Bayesian Approach

Tabasam Sultana, Muhammad Aslam & Javid Shabbir · Journal of Advances in Mathematics and Computer Science · 2019

This paper is about studying a 3-component mixture of the Inverted Exponential distributions under Bayesian view point. The type-I right censored sampling scheme is considered because of its extensive use in reliability theory and survival analysis. The expressions for the Bayes...

Open access Research Article 10.9734/jamcs/2019/v31i630130

Penalty Algorithm Based on Three-Term Conjugate Gradient Method for Unconstrained Optimization Portfolio Management Problems

Samson Akinwale & O. O. Okundalaye · Journal of Advances in Mathematics and Computer Science · 2019

In a class of solving unconstrained optimization problems, the conjugate gradient method has been proved to be efficient by researchers' due to it's smaller storage requirements and computational cost. Then, a class of penalty algorithms based on three-term conjugate gradient met...

Open access Research Article 10.9734/jamcs/2019/v31i630129