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Browsing Department of Mathematical Sciences by Issue Date

Browsing Department of Mathematical Sciences by Issue Date

Now showing items 1-20 of 24

A Mathematical Approach to Estimate the Burden of Diabetes and Its Complications on the Sri Lankan Economy

Samarasinghe ERSK; Karunarathna SPDSSK (2019)

Diabetes is one of the principal healthcare challenges in the world, and diabetes is a serious complex condition which can affect the entire body. The development of diabetes is projected to reach pandemic proportions ...
Analysis of Customer Waiting Time in Banks: A Case Study of a BC Branch

Jayakody KGUD; Karunananda GACM (2019)

Waiting line occurs in many business operations as well as in everyday life. Most service systems, like banks, restaurant, fuel stations and technical support telephone hotlines involve customer waiting. In any service ...
New Approach to Obtain the Perimeter of an Ellipse

Madushani BDS; Piyadasa RAD (2019)

In different periods in history, mathematicians introduced formulas to calculate the perimeter of an ellipse. Using the existing formula, the accurate perimeter of an ellipse cannot be measured as they provide only an ...
Analysis of Productivity Rate : A Case Study of a Glove Manufacturing Company

Lakshani JADS; Jayasinghe WJMLP; Dahanayaka SD; Selvarajah P (2019)

ABC (Pvt) Ltd is one of the largest glove manufacturing companies in Sri Lanka. They use different machines and teams (work force) to produce different types of gloves. Therefore, the overall productivity changes from ...
An Analysis of Wholesale Prices of Green Bean at the Pettah Market

Kaluarachchi LI; Francisco GS (2019)

This study explored modelling and forecasting of wholesale green bean monthly prices at the Pettah market using asymmetric Generalized Auto Regressive Conditional Heteroscedasticity Model (GARCH). Firstly, outliers which ...
An Investigation of the Pattern of the Rainfall Occurrence in Anuradhapura District

Silva LGD; Appuhamy PADAN; Ekanayake EMP (2019)

The pattern of occurrence of rainfall is equally important as the amount of rainfall received in a country like Sri Lanka which has agriculture based economy. Once the pattern of occurrence of rainfall is adequately ...
The First Integral Method to the Improved Perturbed Nonlinear Schrödinger’s Equation with the Dual-Power Nonlinearity

Dayalini V; Mathanaranjan T (2019)

The first integral method is an effective method to obtain exact solutions of some nonlinear partial differential equations. In this paper, first integral method is used to solve the improved perturbed nonlinear Schrödinger’s ...
Numerical Approach to Obtain Solutions of First and Second Painleve Equations

Weliwatta RT; Dharmawardane PMN (2019)

The Painleve' equation and their solutions are used in describing various phenomina in plasma physics, nonlinear waves, quantum field theory, general relativity, nonlinear optics, fibre optics, etc. Paul Painlevé, French ...
Numerical Approach to Obtain Solutions of First and Second Painleve Equations

Weliwatta RT; Dharmawardane PMN (2019)

The Painleve' equation and their solutions are used in describing various phenomina in plasma physics, nonlinear waves, quantum field theory, general relativity, nonlinear optics, fibre optics, etc. Paul Painlevé, French ...
The High Jump Height Through Fosbury Flop

Hithakshika TS; Karunarathna SPDSSK (2019)

Fosbury style is used by elite high jump players to compete the jump. This style consists of three phases, namely, approach phase, take-off phase and flight phase. These three phases are important to consider when making ...
Subpolygroup Structure of a Polygroup Induced by the Double Cosets of a Group

Thushanthani R. (2019)

A polygroup is a multivalued algebraic structure satisfying the group like objects. In recent years, polygroups have been investigated by a number of mathematicians because, the notion of polygroup, in some sense, ...
Subpolygroup Structure of a Polygroup Induced by the Double Cosets of a Group

Thushanthani R. (2019)

A polygroup is a multivalued algebraic structure satisfying the group like objects. In recent years, polygroups have been investigated by a number of mathematicians because, the notion of polygroup, in some sense, ...
Performance Analysis of Sri Lankan One-Day International Cricket Team

Beham KW; Wickramasinghe WMPM; Appuhamy PADAN (2019)

Like elsewhere across the globe Cricket became one of the most popular games in Sri Lanka. However, recently there is a significant drop in the performance of Sri Lankan cricket team especially in One-Day International ...
Job satisfaction of embroidery machine operators; a study in HE (Pvt) Ltd.

Samarasinghe ERSK; Francisco GS (2019)

Apparel industry is one of the largest industries in Sri Lanka which employ a large number of employees and offer a high contribution to the Sri Lankan economy to solve the unemployment problem by providing a higher ...
Forecasting Domestic and Non-Domestic Electricity Demand in Sri Lanka

Dinushika DS; Appuhamy PADN (2019)

The main purposes of this study are to model annual electricity demand in both domestic and nondomestic (industrial and commercial) sectors, and thereby forecast the electricity demand by 2020 in each sector separately ...
Factors Related to Employee Satisfaction:A case study in Apparel Industries in Kurunegala District

De Silva NHAL; Panahatipola PMOP (2019)

Job satisfaction reflects the extent to which people find gratification or fullfilment in their work. Employees who have higher job satisfaction are usually less absent, less likely to leave, more productive, more likely ...
Predict Inventory of Raw Material at ABC (Pvt) Ltd

Karunanayaka K; Wickramasinghe WMPM (2019)

ABC (Pvt) Ltd is one of the largest entity in Sri Lanka which exports tires, tracks and wheels. It is popular among its customers as a company delivering high quality products at competitive prices. To achieve the ...
Application Of DMAIC Method to Minimize Defects in A Capacitor Manufacturing Process

Thilakarathna HAN; Napagoda NADN (2019)

The electric and electronic industry is one of the key manufacturing industries in Sri Lanka which contributes the export revenues. Defects are considered as wastes and reduction of wastage is more important for any ...
Forecasting Paddy Production in Yala And Maha Seasons in Sri Lanka

Karunanayaka KJ; Aponsu GMLM (2019)

Rice is the staple food of approximately 20 million inhabitants in Sri Lanka. Being a crop which contributes to the Sri Lankan economy, with a huge portion, it is very important to be aware of the future fluctuations in ...
Reducing the Importers Waiting Time in Declarations Directorate Branch at Sri Lanka Customs

Bandara BMSGR; Aponsu GMLM (2019)

Sri Lanka Customs is one of the oldest Customs administration in the world. It is a non – ministerial government department, which performs the duties and other taxes and levies in Sri Lanka. D Branch of Declarations ...

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