Profils utilisateurs correspondant à "Josip Matejas"

Josip Matejaš

University of Zagreb Faculty of Economics and Business
Adresse e-mail validée de efzg.unizg.hr
Cité 230 fois

A new iterative method for solving multiobjective linear programming problem

J Matejaš, T Perić - Applied mathematics and computation, 2014 - Elsevier
In the paper we present a new iterative method for solving multiobjective linear programming
problems with an arbitrary number of decision makers. The method is based on the …

Accuracy of the Jacobi method on scaled diagonally dominant symmetric matrices

J Matejaš - SIAM journal on matrix analysis and applications, 2009 - SIAM
This paper proves that the two-sided Jacobi method computes the eigenvalues of the
indefinite symmetric matrix to high relative accuracy, provided that the initial matrix is scaled …

Accuracy of two SVD algorithms for 2× 2 triangular matrices

V Hari, J Matejaš - Applied mathematics and computation, 2009 - Elsevier
A new algorithm for the accurate computation of the singular value decomposition of 2×2
triangular matrices is proposed. The algorithm is based on Voevodin formulas. Sharp accuracy …

Comparative analysis of application efficiency of two iterative multi objective linear programming methods (MP method and STEM method)

T Perić, Z Babić, J Matejaš - Central European journal of operations …, 2018 - Springer
In this paper we consider a production plan optimization problem for a company that produces
textile products. The problem is solved using two iterative methods: a new method based …

Convergence of scaled iterates by the Jacobi method

J Matejaš - Linear algebra and its applications, 2002 - Elsevier
A quadratic convergence bound for scaled iterates by the serial Jacobi method for Hermitian
positive definite matrices is derived. By scaled iterates we mean the matrices [diag(H (k) )] −…

Multi-objective programming methodology for solving economic diplomacy resource allocation problem

D Mlinarić, T Perić, J Matejaš - Croatian operational research review, 2019 - hrcak.srce.hr
Economic diplomacy is an important prerequisite for achieving the economic goals of any
country. The issue is worth analysing from several aspects. Since there is a lack of literature in …

Accuracy of the Kogbetliantz method for scaled diagonally dominant triangular matrices

J Matejaš, V Hari - Applied mathematics and computation, 2010 - Elsevier
The paper proves that Kogbetliantz method computes all singular values of a scaled diagonally
dominant triangular matrix, which can be well scaled from both sides symmetrically, to …

Accuracy of one step of the Falk-Langemeyer method

J Matejaš - Numerical algorithms, 2015 - Springer
We present a new subtle technique in accuracy analysis which we use to prove the accuracy
of the Falk-Langemeyer method for solving a real definite generalized eigenvalue problem …

[PDF][PDF] Scaled iterates by Kogbetliantz method

J Matejaš, V Hari - Proceedings of the 1st Conference on Applied …, 1999 - math.pmf.unizg.hr
Josip Matejaš∗ and Vjeran Hari† … Matejaš, Quadratic convergence of scaled iterates
by diagonalization methods, Ph.D. thesis, University of Zagreb, Zagreb, 1996. … Matejaš …

[LIVRE][B] Quadratic convergence of scaled iterates by Kogbetliantz method

V Hari, J Matejaš - 2003 - Springer
A sharp quadratic convergence bound of scaled iterates for the serial Kogbetliantz method
is derived. Iterates are symmetrically scaled by diagonal matrices so that diagonal elements …