Master's/Ph.D Thesis: Recent submissions

Now showing items 41-60 of 78

DEVELOPMENT OF A NEW DATA SMOOTHENING TECHNIQUE

EHIGIE, OSAMWONYI TIMOTHY (FEDERAL UNIVERSITY OF TECHNOLOGY, AKURE., 2015-01)

In the study of time series, new techniques for smoothing the data are very important and evolving. This study presents a new technique for smoothing time series data which is based on average and in the time domain. It ...
EFFECTS OF THERMO–PHYSICAL PROPERTIES ON FREE CONVECTIVE HEAT AND MASS TRANSFER FLOW OVER A VERTICAL PLATE

OYEM, ONYEKACHUKWU ANSELM (Federal University Of Technology, Akure., 2016-02)

This study examined the problem of some thermo-physical properties on free convective heat and mass transfer flow over a vertical plate. The resulting governing partial differential equations were transformed to nonlinear ...
OPTIMIZATION OF QUADRATIC CONSTRAINED OPTIMAL CONTROL PROBLEMS USING AUGMENTED LAGRANGIAN METHOD

AKEREMALE, OLUSOLA COLLINS (Federal University Of Technology, Akure., 2013-04)

In this research, the analytical and numerical solutions of continuous optimal control problems governed by both ordinary differential equation and linear damping evolution with delay and real coefficients are presented. ...
DERIVATION OF LINEAR MULTISTEP METHODS USING TAYLOR SERIES EXPANSION FOR SOLVING THIRD AND FOURTH ORDER ORDINARY DIFFERENTIAL EQUATIONS

ADOGHE, LAWRENCE OSA (Federal University Of Technology, Akure., 2015-05)

In this work, Taylor series approach is employed to develop Linear Multistep Methods (LMM) for the solution of third and fourth order ordinary differential equations (ODES). In order to cater for the predictors, Taylor ...
OPTIMAL TREATMENT STRATEGIES FOR IMPROVED THERAPY OUTCOMES IN HIV/AIDS PATIENTS

OMOYENI, ADEBAYO KAYODE (Federal University of Technology, Akure, 2019-04)

Ever since the emergence of Human immunodeficiency virus (HIV) disease in early 1980s, the understanding of the conditions necessary for the effective treatment of HIV in infected individuals has been a global health ...
ONE-POINT HYBRID BLOCK METHODS FOR SECOND ORDER ORDINARY DIFFERENTIAL EQUATIONS

ATTAH, CYRIL CHIDI (Federal University of Technology, Akure, 2018-10)

This research work centers on one-point hybrid block methods for second order ordinary differential equation. In the derivation, power series is used as basis function, methods of collocation and interpolation were adopted ...
A CLASS OF CONTINUOUS y-function HYBRID METHODS FOR DIRECT SOLUTION OF DIFFERENTIAL EQUATIONS

OBARHUA, Friday Oghenerukevwe (Federal University Of Technology, Akure., 2013-01)

The aim of this study is to develop a class of continuous hybrid numerical methods for direct solution of general second-order initial value problem of ordinary differential equations. The approach adopted in this work ...
INTERIOR AND EXTERIOR PENALTY FUNCTION METHODS FOR OPTIMAL CONTROL PROBLEMS CONSTRAINED BY ORDINARY DIFFERENTIAL EQUATIONS

LAWAL, OMOWUMI FATIMAH (Federal University Of Technology, Akure., 2017-06)

In this research, we considered the general continuous optimal control problems constrained by di erentialalgebraic constraints. Discretization of the objective function and constraints were carried out using the Simpson's ...
ONE STEP BLOCK HYBRID METHODS FOR THE SOLUTION OF FIRST ORDER ORDINARY DIFFERENTIAL EQUATIONS

FAWOLU, OLUSEYI AJAYI (Federal University Of Technology, Akure., 2018-04)

In this research work, block hybrid methods for solving rst order initial value prob- lems of ordinary di erential equations are proposed. The combination of power series and exponential function are used as an approximate ...
SENSITIVITY ANALYSIS OF LINEAR PROGRAMMING PROBLEMS USING VECTOR-MATRIX APPROACH

SOETAN, ANTHONY AYODELE (Federal University of Technology, Akure, 2018-07)

Generally, the well-known method, popular among researchers for solving linear constrained problems, is the simplex method using tableaus with many unclear features consuming virtually higher percentage of the body of ...
OHMIC HEATING OF MAGNETOHYDRODYNAMIC VISCOUS FLOW OVER A CONTINUOUS MOVING PLATE WITH VISCOUS DISSIPATION BUOYANCY AND THERMAL RADIATION

SAMUEL, DAMILARE JOHN (Federal University of Technology, Akure, 2018-07)

This study extends previous investigation on ohmic heating of Magnetohydrodynamic (MHD) viscous fluid flow over a continuous moving plate to include radiative heat-loss, viscous dissipation and buoyancy effects. The ...
A CLASS OF HYBRID BLOCK INTEGRATORS FOR INITIAL VALUE PROBLEMS OF FOURTH ORDER ORDINARY DIFFERENTIAL EQUATIONS

DUROMOLA, Monday Kolawole (Federal University of Technology, Akure, 2015-02)

In this research works, the development of a class of hybrid block integrators for initial value problems (ivps) of fourth order ordinary differential equations (odes) is discussed. One-step self starting continuous hybrid ...
MAGNETOHYDRODYNAMICS STAGNATION-POINT FLUID FLOW TOWARDS HEATED SHRINKING POROUS SURFACE IN THE PRESENCE OF ARRHENIUS-KINETICS AND THERMAL RADIATION

ABORISADE, YOYINADE JOOSE (Federal University of Technology, Akure, 2019-02)

The dynamics of Magnetohydrodynamic (MHD) stagnation-point fluid flow towards heated shrinking porous surface in the presence of Arrhenius-kinetics and thermal radiation is carried out in this study. The influence of thermal ...
A CLASS OF 4-POINT HYBRID METHODS FOR THE SOLUTION OF GENERAL THIRD ORDER ORDINARY DIFFERENTIAL EQUATIONS

OBARHUA, FRIDAY OGHENERUKEVWE (Federal University Of Technology, Akure., 2019-04)

This research work considers the solution of third order initial value problems of ordinary differential equations (odes) without reduction to systems of lower order odes. A combination of power series and exponential ...
DYNAMIC RESPONSE TO VARIABLE-MAGNITUDE MOVING DISTRIBUTED MASSES OF BERNOULLI-EULER BEAM RESTING ON BI-PARAMETRIC ELASTIC FOUNDATION

AKINTOMIDE, ADENIYI (Federal University Of Technology, Akure., 2016-09)

The problem of dynamic response to variable-magnitude moving distributed masses of Bernoulli-=Euler beam resting on bi-parametric elastic foundation is investigated in this work. The governing equation is a fourth order ...
EFFECTS OF EXOTHERMIC AND ENDOTHERMIC CHEMICAL REACTIONS ON NON-DARCIAN UNSTEADY MICROPOLAR FLOW ALONG A VERTICAL SURFACE

BABATUNDE, IDRIS OLAWALE (Federal University Of Technology, Akure., 2017-05)

The problem of unsteady non–Newtonian flow past a vertical porous plate in the presence of thermal radiation is investigated. Using the theory of boundary layer analysis, the unsteady micropolar flow in the presence of ...
IMPLICIT BLOCK METHODS USING LEGENDRE POLYNOMIALS AS BASIS FUNCTION FOR SOLUTION OF FOURTH ORDER ORDINARY DIFFERENTIAL EQUATIONS.

AKINWUMI, TOLULOPE ALEXANDER (Federal University Of Technology, Akure., 2017-07)

The thesis focuses on the derivation, analysis and implementation of 4-step, 5-step, 6-step and 7-step Implicit Block Methods Using Legendre polynomials as basis function for direct solution of fourth order initial value ...
ASSESSING THE PERFOMANCES OF SIMULTANEOUS EQUATION ESTIMATORS UNDER THE INFLUENCE OF OUTLIERS

OSENI, BAMIDELE MUSTAPHA (Federal University of Technology, Akure, 2011-08)

The real life data available to researchers are mostly small in practice and are often plagued with outliers. This study examined the performances of simultaneous equation estimators when outliers are present in the ...
CONTINUOUS HYBRID BLOCK METHODS FOR SOLUTION OF SECOND ORDER ORDINARY DIFFERENTIAL EQUATIONS USING LEGENDRE-POLYNOMIAL AS BASIS FUNCTION

MOMOH, ADELEGAN LUKUMAN (Federal University of Technology, Akure, 2016-06)

This thesis focuses on the derivation, analysis and implementation of one-step, two-step, three-step and four-step Continuous Hybrid-Block Methods with Legendre polynomial as basis function for direct solution of second ...
OPTIMIZATION OF PROPORTIONAL CONTROL PROBLEMS WITH EQUALITY CONSTRAINTS USING PENALTY FUNCTION METHOD

DANSU, EMMANUEL JESUYON (Federal University of Technology, Akure, 2014-11)

The general continuous proportional control problems constrained by ordinary di erential equations with and without delay are considered. We discuss the optimization of proportional control problems with equality constraints ...

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