In this paper, an implicit finite difference method based on the Crank–Nicolson method is proposed for the numerical solution of the one-dimensional Burger–Fisher equation. The Crank–Nicolson scheme provides a system of nonlinear difference equations, which is solved by an integr...
Open access
Research Article10.9734/arjom/2022/v18i530375
In survey sampling, the use of auxiliary information can greatly improve the precision of estimates of population total and/or means. Calibration estimation has developed into an important field of research in survey sampling where the auxiliary information plays an important rol...
Open access
Research Article10.9734/arjom/2022/v18i530376
A factoriangular number is a sum of a factorial and its corresponding triangular number. This paper presents some forms of the generalization of factoriangular numbers. One generalization is the \(n^{(m)}\) -factoriangular number which is of the form \((n!)^{m}\) + \(S_m(n)\), wh...
Open access
Research Article10.9734/arjom/2022/v18i530374
A business setting requires the practice of quality control to develop reliability, increase productivity and consumer consummation. The level of a lower control limit and an upper control limit in biscuit manufacturing and packing are considered. A total of 58000 biscuit packets...
Open access
Research Article10.9734/arjom/2022/v18i430373
This work proposes a numerical approach to model 2D pollutant dispersion in a canal using the famous advection-reaction diffusion equations. The advection-dispersion equation model describes transport and diffusion problems as seen in mixing conservative, nonbuoyant pollutants de...
Open access
Research Article10.9734/arjom/2022/v18i430371
This paper develops a differential equation model that could consider environmental effects for decision making and incorporated stochastic parameter in the model. These analyses were logically extended to vector stochastic differential equation that would help in predicting diff...
Open access
Research Article10.9734/arjom/2022/v18i430372
The novel coronavirus (COVID-19) pandemic continues despite series of control measures implemented to curtail it. Therefore, it is pertinent to study how the various proposed control measures can be effectively combined in order to stem the alarming spread of the disease and its...
Open access
Research Article10.9734/arjom/2022/v18i430370
In the paper, we consider a single-machine scheduling problem with generalized due dates, in which the objective is to minimize total weighted work. This problem was proven to be NP-hard by Mosheiov et al. [1]. However, the exact complexity remains open. We show that the problem...
Open access
Research Article10.9734/arjom/2022/v18i430368
In recent times, there have been increased rates at which researchers are searching for advanced ways of carrying out land-use land-cover (LULC) mapping, especially in developing countries. Four machine-learning algorithms, namely Random Forest (RF), Support Vector Machine (SVM),...
Open access
Research Article10.9734/arjom/2022/v18i330367
This paper is devoted to the study of the general equation of the Ivancevic option pricing model (IOPM) or Schrodinger’s equation and to determine its analytical solution via the methods of numerical analysis ADM and SBA. The Ivancevic option pricing model is an adaptive wave mod...
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Research Article10.9734/arjom/2022/v18i330366
This paper deals with a class of estimators of finite population mean using a combination of two mixed classes of estimators by exploring the information on two auxiliary variables. We have assumed that the study variable y is highly correlated with both the auxiliary variables x...
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Research Article10.9734/arjom/2022/v18i330365
Markov Models are very much popular in studying population dynamics subject to catastrophes. So, emphasis is given on a discrete state space models specically when the population change occurs as a result of births, deaths and immigration in presence of catastrophes. A transient...
Open access
Research Article10.9734/arjom/2022/v18i330364
This study examined the role of monetary policy mechanism in controlling inflation growth in Nigeria. Standardized Multiple Linear Regression Model (SMLRM) estimating technique was considered as a tool in fitting the model where inflation rate served as response variable and inco...
Open access
Research Article10.9734/arjom/2022/v18i330363
This paper solves in closed form the system of ODEs ruling the 2D motion of a gravity free double pendulum (GFDP), not subjected to any force. In such a way its movement is governed by the initial conditions only. The relevant strongly non linear ODEs have been put back to hypere...
Open access
Research Article10.9734/arjom/2022/v18i330362
In this paper, I have introduced half-metric spaces on normed vector spaces over \(\mathbb{R}\) or \(\mathbb{C}\), which are similar to metric spaces by relaxing a few conditions of metric space.I have also introduced even half-metric spaces,established some properties and discus...
Open access
Research Article10.9734/arjom/2022/v18i230361