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# Browsing Mathematics by Title

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• (2016-02-04)
In article we study the densities of several sets connected with the Fermat numbers Fm = 22m+1. This article is a review of the article of Krizek et al. [Journal of Number Theory, 97(2001): 95-112]. In particular, the ...
• (2016-05-23)
This article discusses iterative methods formed by combining Newton's method and an iterative method with a correction function that depends on the value of the function and values of the two derivative functions. ...
• (2017-01-10)
This article discusses a new family of three-step iteration method. Analytically, it is showed using Taylor expansion and geometry series that this iterative method has a convergence eight-order. Numerical comparisons ...
• (2017-01-10)
This article discusses a new family of three-step iteration method. Analytically, it is showed using Taylor expansion and geometry series that this iterative method has a convergence eight-order. Numerical comparisons ...
• (wahyu sari yeni, 2019-04-30)
This article discusses the new fourth-order optimal method which is a family of Chebyshev-Halley type method to solve nonlinear equations. This free from second- order derivative method is derived by modifying the ...
• (2017-01-11)
This article presents a new family iterative method for nding a multiple root of nonlinear equation with known multiplicity. Analytically it is showed using a Taylors expansion, geometric series, and binomial series ...
• (wahyu sari yeni, 2019-07-22)
This article discusses an iterative method for solving nonlinear equations, by com- bining Ababneh's iterative method of order four with Newton's iterative method. The method has eight order of convergence with three ...
• (2020-08)
This paper discusses the combination of forecasting methods and linear programming to make a decision. Both of the methods are used to predict the sales of bakery products and to determine the best and most efficient ...
• (2014-03-25)
In this artikel the combination of ratio estimators and ratio regression in simple random sampling using median and coefficient of skewness are discussed, which is a review and an expansion from the article J. Subramani ...
• (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 . These estimators are biased there for ...
• (2014-03-25)
Estimators discussedare combination of ratio estimatorsin ranked set sampling using coefficient of variation and coefficient of kurtosis. Each estimator is biased estimatorand the mean square errors ...
• (2014-03-25)
Three estimators discussed in this paper are the Exponential Proportions Ratio Estimator, The Product Estimator Exponential Proportion, and The Combination-Product Ratio Exponential Proportions Estimator on simple random ...
• (perpustakaan UR, 2021-09)
Farmer terms of trade rate is one of the indicators in determining the price of farmers production. This reseach is a case study on the farmer terms of trade in Riau Province using the correlation coefficient between the ...
• (2014-03-25)
This paper discusses the proof of the concurrent from Gergonne point. The Gergonne point of a triangle is the point at which the three lines from vertices to the points of tangency between the incircle and the sides of ...
• (2013-07-23)
This article discusses an equation to find an option pricing model, known as Black- Scholes equation. Black-Scholes equation is constructed with the concept of capital asset pricing model. Capital asset pricing model is ...
• (Elfitra, 2022-03)
This article discusses about the inventory management of resources by considering the discount of raw materials provided by suppliers. In this discussion, an economic order quantity (EOQ) model with discount quantity is ...
• (2014-03-25)
This paper discussed about three the ratio-product estimators for mean population in the stratified random sampling. It is combinations of ratio estimator and product estimator in stratified random sampling. This paper ...
• (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 ...
• (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. ...
• (2021-03)
This article discusses the diagonalization of a matrix triangular fuzzy numbers in interval form. Negative positive triangular fuzzy number based on geometrical area can be used to determine eigenvalues and eigenvector ...