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Mar 23, 2020Open Access
Highway sight distance is a measure of roadway visibility, which is an important factor in the assessment of road safety. Greater visibility can provide motorists more time to avoid crashes and conflicts, facilitating safe and efficient operation. However, poor visibility can reduce the driver’s ability to react to changing conditions and is a significant factor in roadway crashes and near collisions. A driver’s ability to view ambient roadway conditions is necessary for safe operation of a vehi...
Apr 30, 2019Open Access
Finding an initial basic feasible solution is the prime requirement to obtain an optimal solution for the transportation problems. In this paper, two methods are proposed to find an initial basic feasible solution for the transportation problems. The South-East Corner Method (SECM) and the North-East Corner Method (NECM) are adopted to compute the Initial Basic Feasible Solution (IBFS) of the transportation problem. A comparative ...
Oct 11, 2018Open Access
In this paper, we consider the slack due-window assignment model and study a single machine scheduling problem of linear time-dependent deteriorating jobs and a deteriorating maintenance activity. The objective is to find the job schedule having an assigned maintenance activity and due-windows with the minimum total cost consisting of costs of earliness, tardiness, window location and window size. A polynomial-time algorithm is presented in this paper with time complexity for n jobs.
May 05, 2017Open Access
This paper deals with the
global optimization of several variables Holderian functions. An algorithm using a
sequence of overestimators of a single variable objective function was developed converging
to the maximum. Then by the use of α-dense curves, we show how to
implement this algorithm in a multidimensional optimization ...
Aug 19, 2016Open Access
In this present paper, we proposed and formulated a quantitative approach
to parametric identifiability of dual HIV-parasitoid-pathogen infectivity in a
novel 5-dimensional algebraic identifiability HIV dynamic model, as against
popular 3-dimensional HIV/AIDS models. In this study, ordinary differential
equations were explored with analysis conducted via two improved developed
techniques—the method of higher-order derivatives (MHO ...
Sep 07, 2015Open Access
One of the most important features of GeoGebra [1] is the coordination of the geometric and algebraic representations, easily observed in GeoGebra window. Using GeoGebra software the teacher can geometrically and fruitfully teach the concepts and algorithms of arithmetic operations in the elementary school. Our paper focuses on two important operations: addition and subtraction in the set of whole numbers. Using GeoGebra features [2], we visually demonstrate the concepts of these two operations ...
Apr 14, 2015Open Access
In this paper, we study the distribution of the number of times that a finite capacity with equal servers Markovian
queuing model catastrophic-cum-restorations reaches its capacity in time t. The occurrence of a catastrophe makes
the system empty instantly but the system takes its own time to be ready to
accept new customers. This time is referred to as “restoration time”. The aforesaid
distribution is obtained as a marginal distribution of the joint distribution
of the numbe...
Mar 10, 2015Open Access
This study employs the Fireman Method in the solutions of optimal control
problems of the form,  under an admissible
control  , which causes  to follow admissible trajectory ...
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