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• (2012-10-14)
Traveling salesman problem ia a problem in graph theory. This problem can be solved by enumurating all possible Hamilton circuit. Then we calculate the length of rute of each circuit, and then we choose the shortest ...
• (2012-10-14)
We discuss prove the Erdős-Mordell Inequality. We will use signed distances from the sides of a triangle to prove that Erdős-Mordell Inequality not only to interior point of triangle, but also to exterior point of triangle. ...
• (2013-03-13)
The aim of this paper is to solve a heat equation by using Interval Finite Difference method. The method is the modified form of Finite Difference Method which includes the error terms of the corresponding conventional ...
• (2013-03-13)
This paper discussed combining ratio estimators in simple random sampling using coefficient regression, coefficient kurtosis, coefficient variance suggested by Kadilar and Cingi [4]. These estimators are biased there for ...
• (2013-03-16)
This paper discusses the Runge Kutta method of order-4 (RK (4,4)) with an error control, which is a combination of the Runge Kutta method of order-4 based on an Arithmetic mean (RKAM-4) and the Runge Kutta method of order-4 ...
• (2013-03-16)
݊ × ݊ (݊ ≥ 5) matrices by reducing their sizes by four, it is known as the Cornice Method. A determinant of matrices with the exception of the first and the last entries, the entries of the 2nd row and (݊ − 1) − ‫ݐ‬h ...
• (2013-03-16)
Ratio estimators of the population mean using simple random sampling and ranked set sampling that suggested here are two ratio estimators involving the first and the third quartiles parameters. These estimators are biased ...
• (2013-03-16)
The ratio estimators proposed by Kadilar, Candan and Cingi [4] for the population mean in simple random sampling using robust regression has been reviewed. This robust regression is defined by Huber M-estimators. These ...
• (2013-03-21)
This paper described characteristics and use of differential transformation method. Finite Taylor series was used for solving second order of nonlinear Lane-Emden equation at singular initial value problems
• (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 ...
• (2013-03-25)
Ratio estimator discussed are two proposed by Samawi Muttlak [4], for ratio estimator rank set sampling (RSS) and ratio estimator using regression coefficients has been reviewed, each estimator is a biased estimator. so ...
• (2013-03-25)
In this paper, the methods of moment and maximum likelihood for estimating parameters of the Weibull distribution that proposed by Razali, et al [4] have been reviewed. Since the estimator of parameters are biased then ...
• (2013-03-25)
In this paper the authors use the method of maximum likelihood and Bayesian methods to estimate parameters of the Weibull distribution. Prior used for the Bayesian method is Jeffery prior information. The loss function ...
• (2013-03-26)
This paper discussed about the formulation of the total cost of the average inventory on inventory models using linear functions, where the levels of demand and production are limited. In the model inventory, total cost ...
• (2013-03-26)
Interval set is a set from an object whose elements consist of intervals. A set of all one-to-one and onto mappings from interval set to the other for all with composition operation which from a semigrup is called interval ...
• (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 ...
• (2013-03-26)
A formula called Woolhouse formula that obtained based on approach the Euler Maclaurin formula are discussed. Then Woolhouse formula is used to calculate present value of an annuity with payable m times a year. Here, n ...
• (2013-03-26)
The methods of moments and least square for estimating parameters of the Weibull distribution that proposed by Razali, et al [6] have been reviewed. Since the estimator of parameters are biased then Mean Square Error for ...
• (2013-03-26)
Two types estimator for finite population mean in double sampling are ratio and product. These types are both proposed by Sukhatme and Srivastava so that four estimators are obtained. Four this estimator usually bias ...
• (2013-03-26)
Labeling of a graph is a theory that is often encountered in various fields such as graph decomposition, cryptology, radar kristalogi x-ray, coding theory, circuit design and communication networks. This study aims to ...