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# Browsing Mathematics by Title

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• (2021-04)
This paper discusses the trapezoidal fuzzy numbers transportation problem with one point approach to optimize. The coefficents of cost, supply and demand are a fuzzy number that appears because there are uncertainty that ...
• (2013-08-01)
This paper discusses the inventory control model in distributor problem, which is a review from the article K. A Adeleke & D. A Agunbiade [Global Journal of Science Frontier Research 10 (2010): 64 – 68]. Inventory control ...
• (Elfitra, 2022-05)
This article discusses of the multi-item inventory problem with backorder using assignment model as mixed integer linear programming problem with branch-and- bound method. This model aims to determine optimal policy of ...
• (perpustakaan UR, 2021-07)
This article discusses he MERS-CoV Spread Model with a concentration of Dipeptyl Peptidase 4 (DPP4). This model uses a system of nonlinear differential equations with four compartments, namely virus-free cells, virus-infected ...
• (2013-03-26)
In this paper we develop production inventory model where products were stored in the inventory suffered decay or deteriorate overtime with shortage allowed. The rate of deterioration give an impact on the level of inventory ...
• (2021-01)
This article discusses the predator-prey model with double predation. This model uses a system of nonlinear differential equation from the classic Lokta-Volterra model by adding one compartment, namely predator level II. ...
• (2020-07)
This article discusses the predator-prey model with infection and harvesting in predator populations. The model used is in the form of a system of differential equations. This model has five equilibrium points. Furthermore, ...
• (2017-01-18)
This article discusses the analysis of mathematical models of predator-prey behavior with infectious conditions in both populations. This model uses the systems of differential equations of the model predator-prey with ...
• (wahyu sari yeni, 2019-07-22)
This article discusses the regression models with ordinal respon that are adjacent categories (AC) model and proportional odds (PO) model. The estimated regression coefficient is obtained through maximum likelihood which ...
• (Elfitra, 2022-05)
The composite index is one of the stock price indexes in Indonesia. In this study the kernel nonparametric regression model with the Nadaraya-Watson estimator for the composite index data. The kernel regression method ...
• (2017-01-10)
This article discusses two modification of Cauchy’s method by using Taylor’s expansion of second and third order to solve nonlinear equations. Both methods have order of convergence four and need three function evaluations ...
• (2014-03-25)
This article discusses the modification of Adomian decomposition method to solve a nonlinear wave equation. Some numerical examples are used to show the effectiveness of the method. The numerical result ...
• (2013-06-25)
This paper discusses the modification of Adomian decomposition method for solving singular initial value problems in the second order ordinary differential equations. Numerical illustrations show that the method gives ...
• (2016-04-26)
This article discusses the modi ed homotopy perturbation method based on a Taylor expansion of the kernel of system Volterra integral equations of the second kind. This method can only be applied to the system Volterra ...
• (2016-02-04)
This article discusses the modified homotopy perturbation methods based on Newton method, by combining techniques and homotopy perturbation, to solve nonlinear equations. Then the methods were compared with the modified ...
• (2013-06-25)
This paper discusses a new method resulting from the Hungarian method modification to solve an assignment problem. This new method uses one of the basic properties of determinant to reduced the cost matrix in assignment ...
• (2021-03)
This article discusses a modification of Laplace variational iteration method to solve a fourth-order parabolic partial differential equations with variable coefficient. Modification is made by coupling of three methods. ...
• (Elfitra, 2022-03)
This article discusses the modification of King’s method by using approximation of first derivative with interpolation to solve nonlinear equations. Analytically, by using Taylor expansion and geometric series, the ...
• (2020-10)
This article discusses the modi cation of the fourth order multistep Adam-Bashforth and Adam-Moulton method by changing the integral boundaries of [xn; xn+1] to [xn−2; xn+1] to solve initial value problems. In generally, ...
• (2013-03-25)
In this paper is presented a new modification of Newton’s method for solving non-linear equations. Convergence analysis of the new method shows that the method has third-order convergence. The example of the new method ...