In this paper, the test of unit root for bounded AR (2) model with constant term and dependent errors has been derived. Asymptotic distributions of OLS estimators and t-type statistics under different tests of hypotheses have been derived. A simulation study has been established...
Open access
Research Article10.9734/jamcs/2020/v35i930320
An innovative approach that treats prime numbers as raw experimental data making use of experimental/computational mathematics and the approximation methods is presented in order to get advanced and more exact formulations of the canonical form = being the prime value and it...
Open access
Research Article10.9734/jamcs/2020/v35i930321
In this research introduces four different mathematical designs for the coordination and three-stage profit optimization models of agricultural products in Bangladesh. This research, we occupied that the three types of market players are coordinated by mutually sharing all kind o...
Open access
Research Article10.9734/jamcs/2020/v35i930322
The inverse problem for determination of parameters related to the support and/or functions describing the intensity of coefficient and sources in models based strongly elliptic second order systems is posed with Cauchy data over specification at boundary. This stablish a set of...
Open access
Research Article10.9734/jamcs/2020/v35i930324
The Navier – Stokes equations were used to obtain the velocity profile for two different fluid flow problems, firstly to a laminar flow through a pipe and secondly to flow of incompressible fluid between two boundaries, one boundary is the air and the other boundary moving with a...
Open access
Research Article10.9734/jamcs/2020/v35i830318
In the present paper we have obtained some properties of an almost semi-invariant of a normal almost paracontact manifold. The integrability condition of distributions have also been discussed. According to these cases normal almost paracontact manifold is categorized and its us...
Open access
Research Article10.9734/jamcs/2020/v35i830317
One of the most interesting areas of research that has attracted the attention of many scholars are theory of zero divisor graphs. Most recent research have focused on properties of zero divisor graphs with little attention given on the automorphsisms, despite the fact that autom...
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Research Article10.9734/jamcs/2020/v35i830316
The curvatures of a factorable hypersurface are introduced in the four-dimensional Euclidean space. It is also given some relations on of the factorable hypersurface.
Open access
Research Article10.9734/jamcs/2020/v35i830315
Hadamard matrices and their applications have steadily and rapidly grown during the last 2 decades. Due to that many researchers have developed various concepts on Hadamard matrices. This paper concentrates on Generalized Hadamarad matrices. In the first part of this work, some n...
Open access
Research Article10.9734/jamcs/2020/v35i830314
One of the most prominent families of statistical distributions is the Burr’s system. Recent renewed interest in developing more flexible statistical distributions led to the re-examination of Burr’s system. Solutions of Burr differential equation are expressed in terms of distri...
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Research Article10.9734/jamcs/2020/v35i830313
Every year Bangladesh experiences different types of natural hazards and heat wave is one of them. In the present study, an advanced high-resolution Weather Research and Forecasting (WRF-ARW) numerical mesoscale model is used to simulate a severe heat wave event occurred during A...
Open access
Research Article10.9734/jamcs/2020/v35i830312
In this work, we reviewed the two-dimensional differential transform, and introduced the differential transform method (DTM). As an application, we used this technique to find approximate and exact solutions of selected non-linear partial differential equations, with constant or...
Open access
Research Article10.9734/jamcs/2020/v35i830311
This work is aimed at formulating a mathematical model for the control of zika virus infection using Sterile Insect Technology (SIT). The model is extended to incorporate optimal control strategy by introducing three control measures. The optimal control is aimed at minimizing th...
Open access
Research Article10.9734/jamcs/2020/v35i830310
Aims: Outpatient department is one of the first points of contact for patients accessing health care and provide patients with their primary healthcare as they seek services at the facility. With the introduction of community-based health planning and services, there seems that t...
Open access
Research Article10.9734/jamcs/2020/v35i830309
Research problems are often modeled using sets of linear equations and presented as matrix equations. Eigenvalues and eigenvectors of those coupling matrices provide vital information about the dynamics/flow of the problems and so needs to be calculated accurately. Analytical sol...
Open access
Research Article10.9734/jamcs/2020/v35i730308