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All published articles 465

Adaptive Robust Profile Analysis of a Longitudinal Data

Gabriel Asare Okyere, Silverius Kwasi Bruku, Richard Tawiah & Gilbert Biney · Journal of Advances in Mathematics and Computer Science · 2018

This paper uses nine winsorized scores in the adaptive test of Hogg, Fisher and Randles and deals with its extension to hypothesis testing in profile analysis of a balanced longitudinal data. Simulation studies are conducted to evaluate the efficiency of the adaptive test procedu...

Open access Research Article 10.9734/JAMCS/2018/42361

Two-Step Hybrid Block Method for Solving First Order Ordinary Differential Equations Using Power Series Approach

G. Ajileye, S. A. Amoo & O. D. Ogwumu · Journal of Advances in Mathematics and Computer Science · 2018

In this paper, we consider the derivation of hybrid block method for the solution of general first order Initial Value Problem (IVP) in Ordinary Differential Equation. We adopted the method of Collocation and Interpolation using power series approximation to generate the continuo...

Open access Research Article 10.9734/JAMCS/2018/41557

Influence of Chemical Reaction, Viscous Dissipation and Joule Heating on MHD Maxwell Fluid Flow with Velocity and Thermal Slip over a Stretching Sheet

I. G. Baoku · Journal of Advances in Mathematics and Computer Science · 2018

A numerical integration scheme involving a fourth-fifth Runge-Kutta-Fehlberg method (RKF45) with shooting technique is employed to investigate a steady laminar incompressible forced convective flow of an upper-convected Maxwell fluid which is subjected to a transversely uniform m...

Open access Research Article 10.9734/JAMCS/2018/42481

Fuzzy Risk Measure for Operational Risk

Assem Tharwat, Ramadan A. ZeinEldin, Hamiden Abd El-Wahed Khalifa & Ahmed M. Saleim · Journal of Advances in Mathematics and Computer Science · 2018

Operational risk is one of the most hazardous types of risk banks face. Banks must take caution and reserve capital to meet these risks. Value at Risk (VaR) and Expected Shortfall (ES) used to measure operational risk and estimate the required capital to meet it. Value at Risk is...

Open access Research Article 10.9734/JAMCS/2018/42625

Modelling Vaccination and Treatment of Childhood Pneumonia and Their Implications

Cyrus Gitonga Ngari · Journal of Advances in Mathematics and Computer Science · 2018

This paper presents a deterministic model for pneumonia transmission and uses the model to assess the potential impact of the vaccination, treatment and efficacy of vaccination drugs in lowering the public health impact of the pneumonia disease. The model is based on the Suscepti...

Open access Research Article 10.9734/JAMCS/2018/41772

Modelling HIV In-vivo Cellular Dynamics in the Presence of Antiretroviral Therapy

A. K. Omoyeni & T. T. Yusuf · Journal of Advances in Mathematics and Computer Science · 2018

A treatment strategy for the total eradication of human immunodeficiency virus (HIV) in infected individuals is presently not feasible. However, the adoption of highly-active antiretroviral therapy (HAART) has been effective in managing HIV/AIDS infected patients in recent times....

Open access Research Article 10.9734/JAMCS/2018/41416

Numerical Study of Viscous Dissipation and Temperature-Dependent Viscosity on MHD Free Convection Flow over a Sphere with Heat Conduction

Md. M. Alam, Ruhul Imran, Mohammad Mahfuzul Islam & M. H. Rashid · Journal of Advances in Mathematics and Computer Science · 2018

The effect of viscous dissipation and temperature dependent viscosity on MHD free convection flow over a sphere with heat conduction has been analyzed in the article. The governing equations are transformed into dimensionless non-similar equations by using a set of useful transfo...

Open access Research Article 10.9734/JAMCS/2018/42164

A Family of Continuous Blended Block A-Stable Second Derivative Linear Multistep Methods for the solutions of Stiff System of Ordinary Differential Equations

Omagwu Samson, J. P. Chollom, G. M. Kumleng & Muhamad Shakur Ndayawo · Journal of Advances in Mathematics and Computer Science · 2018

In this paper, the formulation of the block second derivative Blended Linear Multistep methods for step numbers k=5,6 and7 was considered. We present a new family of blended block A-stable second derivative linear multistep methods of order p=k+2 for step numbers k=5,6 and 7 for...

Open access Research Article 10.9734/JAMCS/2018/41220

Automation of Gating System Parameters for Green Sand Iron Castings

M. D. Shittu, S. A. Ibitoye, P. O. Atanda, J. O. Olawale, K. M. Oluwasegun & O. O. Ige · Journal of Advances in Mathematics and Computer Science · 2018

This paper developed a simple but accurate automation tool for quick design of gating and riser systems for green sand iron castings. Codes for calculation of gating elements’ parameters were generated in MATLAB from standard fluid mechanics and empirical formulae. Guided Users’...

Open access Research Article 10.9734/JAMCS/2018/28497

A Computational Model for Multi-level Quadratically Constrained Quadratic Optimization under Fully Fuzzy Environment

Hawaf AbdAlhakim, O. E. Emam & A. A. Abd El-Mageed · Journal of Advances in Mathematics and Computer Science · 2018

Fully fuzzy quadratic programming became emerge naturally in numerous real-world applications. Therefore, an effective model based on the bound and decomposition method and the separable programming method is proposed in this paper for solving Fully Fuzzy Multi-Level Quadraticall...

Open access Research Article 10.9734/JAMCS/2018/42263

A Mathematical Model for Mycolactone Toxin Reaction and Diffusion in Cell Cytoplasm

Peter Romeo Nyarko, Isaac Kwame Dontwi & Nana Kena Frempong · Journal of Advances in Mathematics and Computer Science · 2018

The study of mechanisms and transport of proteins inside cells provide understanding of the dynamics of biological systems and give clues to biological effect of drugs on our system. Reaction-diffusion mechanisms inside cells control various cell functions from adhesion, haptotax...

Open access Research Article 10.9734/JAMCS/2018/41382

Mathematical Modeling of TB - HIV Co Infection, Case Study of Tigania West Sub County, Kenya

Grace Gakii Muthuri & David M. Malonza · Journal of Advances in Mathematics and Computer Science · 2018

TB is one of the leading causes of death among individuals infected with HIV/AIDS. A deterministic model for HIV/TB co-infection is presented and analyzed. The analysis of the model carried out includes the reproduction number, local stability of the disease free equilibrium, uni...

Open access Research Article 10.9734/JAMCS/2018/41850

The Boundaries of Infinity and the Dance of c at the Hybrid Dynamic Vision in Engineering Physics

Md. Abdul Hakim · Journal of Advances in Mathematics and Computer Science · 2018

The speed of light c and its momentum in spite of its rest mass is in great triumph at the helm of galore hotch potch to the mathematical physicists in worldwide business of applied physics. There is an abundance of different dancing to the theoretical physicist to curb these pan...

Open access Research Article 10.9734/JAMCS/2018/40596