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# Browsing Mathematics by Title

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• (2016-04-27)
This article discusses the modi cation of Newton's method using the composite trapezoidal rule to approximate an inde nite integral in its derivation. It is analyti- cally demonstrated that the order of convergence of ...
• (2013-05-08)
In this paper we discuss the characteristics of free semigroup and free monoid related to word set. The discussion begins with some homomorphism theorems and a criterion for freeness of semigroup and monoid. All characteristics ...
• (wahyu sari yeni, 2019-04-23)
This article discusses several properties of digital roots of powers of numbers. The digital root of number is one digit value which obtained by calculating the sum of each digit iteratively until one digit number is ...
• (2016-04-27)
In article we study the multiplicative property of set residue mod n. Given a natural number n, every set of residues mod n of cardinality at least n/2 contains residues a, b, c with ab = c. The set is said to be a product ...
• (2016-05-16)
In article we study the multiplicative property of set residue mod n. Given a natural number n, every set of residues mod n of cardinality at least n/2 contains residues a, b, c with ab = c. The set is said to be a product ...
• (wahyu sari yeni, 2019-01-31)
This article studies a generalized Fibonacci sequence called Fibonacci-like sequence. The Fibonacci-like sequence is de ned by recurrence relation as Tn = Tn􀀀1 + Tn􀀀2; n 2; T0 = p; T1 = p; with p is a positive ...
• (2014-03-25)
A square matrix A is called a secondary normal matrix if AAθ = Aθ A, where Aθ is a secondary conjugate transpose of the matrix A, which is different from the conjugate transpose matrix. In this paper, we discuss some ...
• (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 ...
• (wahyu sari yeni, 2019-01-14)
This article discusses a new scheme of an iterative method for finding a multiple root of a nonlinear equation with three functions and one first derivative evaluations. Analytically, it is shown that the iterative method ...
• (2016-04-26)
This article discusses a numerical scheme to obtain an estimated solution for a class of nonlinear Fredholm integral equations of the second kind. The process includes discretization, followed by checking the convergence ...
• (2016-04-27)
This article discusses the numerical method to solve a nonlinear Volterra-Fredholm integral equation using a New Basis function obtained through a set of Block-Pulse functions (BPFs). The Use of the New Basis function ...
• (2016-04-26)
This article discusses solutions of nonlinear Volterra-Fredholm integro-di erential equations using a new representation of triangular functions to transform the original equation into a system of nonlinear equation. The ...
• (2016-02-04)
This article studies the necessary and sufficient conditions to determine the solutions of the matrix equation AX=B, which can be either reflexive and anti-reflexive matrix. An n × n complex matrix A is said to be a ...
• (2016-02-04)
This article discusses the solutions of systems of partial differential equations using the homotopy perturbation method and Adomian decomposition method. A numerical example shows that the solution of the partial ...
• (2016-02-04)
This article discusses the solution of system of linear Volterra integral equations in the form of series in Euler polynomials with certain coefficient. The process begins by transforming the system of linear Volterra ...
• (2018-03-07)
This article discusses a solution for the equation 1k + · · · + xk = yn in positive integers x, k, y, n under certain assumptions on x, letting the other variables k, n, y be completely free. This article gives bound for ...
• (2016-02-04)
This article discusses the necessary and sufficient condition for the system of linear equations Ax = b where A is an m × n matrix, with m < n and b is an n × 1 vector to have a solution. The discussion involves determining ...
• (2016-04-27)
An n×n matrix over a commutative ring with identity is clean if it is the sum of an idempotent matrix and unit. This paper discusses necessary and sufficient criteria for 2 × 2 matrix A = [ a b c d ] , where a; b; ...
• (2014-03-25)
This paper discusses the interval estimation of estimator of the shape parameter  of the Pareto distribution in the case where the scale parameter is known. To obtain the estimator of parameter  , some methods can be ...
• (2016-04-26)
This paper is a review of an article proposed by El-Mezouar , the methods of moment based method of Cran used to estimate the parameters of the Weibull distribution three parameters where the location parameters is ...