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Browsing by Author "Sirait, Asli"

Browsing by Author "Sirait, Asli"

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  • Elvina; Sirait, Asli; Musraini (2016-04-27)
    This paper discusses some equivalent conditions for reverse order law of group inverses of product of two matrices. Several sufficient conditions which enable both (AB)# = B(1,2)A(1,2) and (AB)# = B(1,2)A(1,2) hold are ...
  • Risa, Erma; Gemawati, S.; Sirait, Asli (2014-03-25)
    This article discusses some of the algebraic properties of the generalized inverse matrix on the addition operation, which is derived using the properties of the sum of the rank of matrices. Generalized inverse of the sum ...
  • Aziskhan; Pane, Rolan; Natsir, M; Sirait, Asli; Kho, Johannes (2017-10-26)
    In open vehicle routing problems, the vehicle are not required to return to the depot after completing service. In this paper, we present the first exact optimization algorithm for the open version of the well-known capacited ...
  • Abduh, Muhammad; Gemawati, Sri; Sirait, Asli (2016-04-27)
    Group perfect order subset (POS) is a group that is characterized by the number elements in the group having the same order that divides the group order. This article discusses the relationship between the properties of ...
  • Sirait, Asli; Pane, Rolan; Natsir, M (2017-10-16)
    Misalkan M m,n merupakan ruang dari matriks kompleks m x n , dimana A , B M n , n dan merupakan product Hadamard ( atau Schur) dari A dan B oleh A o B , Untuk A Mn, n maka merupakan nilai singular ...
  • Firdaus; Sirait, Asli; Natsir, M (2017-10-16)
    Pada makalah ilmiah ini dibahas tentang teori linierisasi suatu sistem persamaan diferensial non linier dari sistem dinamik berdasarkan aturan dan definisi terkait . Untuk sistem Linier 2 dimensi, , n=2, diperoleh ...
  • Sirait, Asli; Efendi, Riistam (2013-02-26)
    Dalam penelitian ini dibahas tentang masalah matriks fuzzy nilpoten, yaitu dibuktikan beberapa sifat dari matriks fiizzy nilpoten yang berkaitan dengan nilai eigen. Selanjutnya untuk jumlah hingga matriks fuzzy ditentukan ...
  • Wati, S. E.; Muhammad, Imran; Sirait, Asli (2013-07-20)
    We discuss a method to obtain an inverse of a nonsingular matrix, called Augmenta- tion and Reduction Method. The total computational cost of this method to obtain an inverse of a matrix is the same as those of Gauss-Jordan ...
  • Purwanti, Tannia; Gemawati, Sri; Sirait, Asli (2016-04-27)
    This article discusses how to obtain eigenvalues and their corresponding eigenvectors of tridiagonal matrices of the form                            a b c a b a b c b ...
  • Polorida; Sirait, Asli; Musraini (2016-02-04)
    This articel studies the explicit formula for a function to enumerate the number of primes less than or equal to n called Prime Counting Function, where n is natural number. Prime Counting Function is denoted by π(n). ...
  • Gusriansyah; Gemawati, Sri; Sirait, Asli (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 ...
  • Kurniawan; Pane, Rolan; Sirait, Asli (2013-06-25)
    We discuss the super edge magic total labeling in the corona-like unicyclic graph by reordering the grid points on the trajectory, followed by the transformation to the edges. A new variation is obtained from the super ...
  • Hasriati; Sirait, Asli (2013-03-21)
    In this paper we discuss about The Pappus theorem with colinearitas of three points which is the intersection of six points on two different lines. Furthermore, if there are four lines that intersect and form a triangles, ...
  • Muslim; Hasriati; Sirait, Asli (2014-03-25)
    This paper discusses a single premium of term life insurance using interest rate Vasicek model. The calculation of premium in this model is affected by the equilibrium point of interest rate β and the acceleration of ...
  • Nursyahlina, Nursyahlina; Gemawati, S.; Sirait, Asli (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 ...
  • Yusman, Rizan Febri; Gemawati, Sri; Sirait, Asli (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 ...
  • Sirait, Asli; Natsir, M; Pane, Rolan (2017-10-31)
    Pada makalah ini akan ditunjukkanpenyelesaian sistem persamaan diferensial x’ = Ax diformulasikan oleh persamaan , dengan menentukan nilai ( v1 , v2 , …., vn ) yang merupakan eigenvektor yang berkoresponden ...
  • Arrohman; Gemawati, Sri; Sirait, Asli (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 ...
  • Kho, Johannes; Pane, Rolan; Aziskhan; Sirait, Asli; Natsir, M (2017-10-16)
    In this paper we propose a method for solving a multi objective chance constrained integer programming problem. We assume that there is randomness in the right-hand sides of the constraints only and that the random variables ...
  • Zainuri, Aryan; Syamsudhuha; Sirait, Asli (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 ...

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