Volume 12 (2020)
Volume 11 (2019)
Volume 10 (2018)
Volume 9 (2017)
Volume 8 (2016)
Volume 7 (2015)
Volume 6 (2014)
Volume 5 (2013)
Volume 4 (2012)
Volume 3 (2011)
Volume 2 (2010)
Volume 1 (2009)
linear Programming
51. Linear Programming, the Simplex Algorithm and Simple Polytopes

Das Sashi Bhusan; Biswal Bagaban; J.P Tripathy

Volume 6, Issue 1 , Winter 2014, , Pages 702-719

Abstract
  In the first part of the paper we survey some far reaching applications of the basis facts of linear programming to the combinatorial theory of simple polytopes. In the second part we discuss some recent developments concurring the simplex algorithm. We describe sub-exponential randomized pivot roles ...  Read More

Numerical Analysis
52. Application of G'/G-expansion method to the (2+1)-dimensional dispersive long wave equation

Jafar Biazar; Zainab Ayati

Volume 6, Issue 2 , Summer 2014, , Pages 745-752

Abstract
  In this work G'/G-expansion method has been employed to solve (2+1)-dimensional dispersive long wave equation. It is shown that G'/G-expansion method, with the help of symbolic computation, provides a very effective and powerful mathematical tool, for solving this equation.  Read More

Data Envelopment Analysis
53. Alternative ranking method in Dynamic Data Envelopment Analysis (DDEA)

Mahnaz Maghbouli; Omid Yaghbubi agreh; Zahra Mohammadnezhad

Volume 7, Issue 2 , Autumn 2015, , Pages 839-848

Abstract
  The motivation of this paper is to propose such equitable method for ranking all decision making units (DMUs) in dynamic Data Envelopment Analysis (DDEA) framework. As far as we are aware there is not more studies in dynamic DEA literature. What's more, in such cases the best operating unit is important ...  Read More

54. An efficient technique for solving systems of integral equations

Hamideh Ebrahimi

Volume 11, Issue 1 , Spring 2019, , Pages 23-32

Abstract
  In this paper, the wavelet method based on the Chebyshev polynomials of the second kind is introduced and used to solve systems of integral equations. Operational matrices of integration, product, and derivative are obtained for the second kind Chebyshev wavelets which will be used to convert the system ...  Read More

Supply Chain Management
55. The Impact of Supply Chain Management on Industrial Efficiency and Technical Performance (Case Study: Engineering New Enterprises of Guilan Province, Northern of Iran)

Ataollah Taleghani; Mohammad Taleghani; mohsen shafieyan

Volume 10, Issue 1 , Spring 2018, , Pages 31-39

Abstract
  An important issue for suppliers, producers, and retailers who want to compete in a competitive environment is continuous performance improvement in a dynamic supply chain. Literature review on supply chain puts more emphasis on quantitative factors than other factors. In this research, we focus on quantitative ...  Read More

Operation Research
56. A New Hybrid Conjugate Gradient Method Based on Secant Equation for Solving Large Scale Unconstrained Optimization Problems

Nasiru Salihu; Mathew Remilekun Odekunle; Mohammed Yusuf Waziri; Abubakar Sani Halilu

Volume 12, Issue 1 , Spring 2020, , Pages 33-44

Abstract
  There exist large varieties of conjugate gradient algorithms. In order to take advantage of the attractive features of Liu and Storey (LS) and Conjugate Descent (CD) conjugate gradient methods, we suggest hybridization of these methods in which the parameter  is computed as a convex combination ...  Read More

Stochastics Problems
57. New optimized model identification in time series model and its difficulties

Ahmadreza Zanboori; Karim Zare

Volume 9, Issue 1 , Spring 2017, , Pages 39-47

Abstract
  Model identification is an important and complicated step within the autoregressive integrated moving average (ARIMA) methodology framework. This step is especially difficult for integrated series. In this article first investigate Box-Jenkins methodology and its faults in detecting model, and hence ...  Read More

Supply Chain Management
58. A Combined group EA-PROMETHEE method for a supplier selection problem

Hamid Reza Rezaee Kelidbari; Mahdi Homayounfar; Seyyed-e Fatemeh Alavi Foumani

Volume 8, Issue 2 , Autumn 2016, , Pages 87-100

Abstract
  One of the important decisions which impacts all firms’ activities is the supplier selection problem. Since the 1950s, several works have addressed this problem by treating different aspects and instances. In this paper, a combined multiple criteria decision making (MCDM) technique (EA-PROMETHEE) ...  Read More

Data Envelopment Analysis
59. A Hybrid model based on neural network and Data Envelopment Analysis model for Evaluation of unit Performance

Sadegh Heidary; Ehsan Zanburi; Hhamid Parvin

Volume 10, Issue 2 , Autumn 2018, , Pages 101-112

Abstract
  Efficiency and evaluation is one of the main and most important demands of organizations, companies and institutions. As these organizations deal with a large amount of data, therefore, it is necessary to evaluate them on the basis of scientific methods to improve their efficiency. Data envelopment analysis ...  Read More

Non linear Programming
60. A Method for Solving Convex Quadratic Programming Problems Based on Differential-algebraic equations

Masomeh Abbasi

Volume 11, Issue 2 , Autumn 2019, , Pages 107-113

Abstract
  In this paper, a new model based on differential-algebraic equations(DAEs) for solving convex quadratic programming(CQP) problems is proposed. It is proved that the new approach is guaranteed to generate optimal solutions for this class of optimization problems. This paper also shows that the conventional ...  Read More

61. Integrating Case-Based Reasoning, Knowledge-Based Approach and TSP Algorithm for Minimum Tour Finding

Hossein Erfani

Volume 2, Issue 1 , Winter 2010, , Pages 117-129

Abstract
  Imagine you have traveled to an unfamiliar city. Before you start your daily tour around the city, you need to know a good route. In Network Theory (NT), this is the traveling salesman problem (TSP). A dynamic programming algorithm is often used for solving this problem. However, when the road network ...  Read More

62. The Application of Data Envelopment Analysis Methodology to Improve the Benchmarking Process in the EFQM Business Model

K. Shahroudi

Volume 3, Issue 1 , Winter 2011, , Pages 201-219

Abstract
  This paper reports a survey and case study research outcomes on the application of Data Envelopment Analysis (DEA) to the ranking method of European Foundation for Quality Management (EFQM) Business Excellence Model in Iran’s Automotive Industry and improving benchmarking process after assessment. ...  Read More

Data Envelopment Analysis
63. The cost and income efficiency models with MOLP structure

G.R. Jahanshahloo; M.R Mozaffari; Z. Sobhan

Volume 4, Issue 1 , Winter 2012, , Pages 304-311

Abstract
  In this paper, the cost and income efficiency models have been considered with regard to the multiple objective programming structures. For finding the efficient points in purposed MOLP problem, some various methods like Lexicography & the weighted sum can be used. So by introducing ...  Read More

64. Adomian Decomposition Method On Nonlinear Singular Cauchy Problem of Euler-Poisson- Darbuox equation

Iyaya C. C. Wanjala

Volume 5, Issue 1 , Winter 2013, , Pages 405-411

Abstract
  n this paper, we apply Picard’s Iteration Method followed by Adomian Decomposition Method to solve a nonlinear Singular Cauchy Problem of Euler- Poisson- Darboux Equation. The solution of the problem is much simplified and shorter to arriving at the solution as compared to the technique applied ...  Read More

linear Programming
65. AIDS Epidemic Modeling With Different Demographic Structures

Agraj Tripathi; Ram Naresh

Volume 7, Issue 1 , Spring 2015, , Pages 785-813

Abstract
  The most urgent public health problem today is to devise effective strategies to minimize the destruction caused by the AIDS epidemic. Mathematical models based on the underlying transmission mechanisms of the AIDS virus can help the medical/scientific community understand and anticipate its spread in ...  Read More

Operation Research
66. A hybrid BSC-DEMATEL- FIS approach for performance measurement in Food Industry

Shabnam Jalalat; Mehdi Fadaei; Mahdi Homayounfar

Volume 7, Issue 2 , Autumn 2015, , Pages 839-848

Abstract
  Organizational performance is a complex issue given that performance is a multifaceted phenomenon whose components may have distinct managerial priorities and may even be mutually inconsistent. Recently, the balanced scorecard approach (BSC), as an effective multi-criteria evaluation concept received ...  Read More

Strategic Management
67. Evaluation of performance of Indian Banks by using CAMEL AND G R A Techniques.

hari krishna Tata

Volume 8, Issue 1 , Spring 2016, , Pages 29-36

Abstract
  In the paper an attempt was made to study the performance of Indian Banks with the help of CAMEL(C-Capital Adequacy, A- Asset Quality, M- Management Quality, E-Earnings, L-Liquidity i.e. CAMEL) rating system, over the period of five years from (2011 to 2015) and then evaluated out the efficiency of banks ...  Read More

68. Supplier selection in the sustainable supply chain: The application of analytic hierarchy process and fuzzy data envelopment analysis

Hamid Reza Rezaei; Mohammad Taleghani; Mohsen Shafieyan; Tara Nikandam

Volume 11, Issue 1 , Spring 2019, , Pages 33-47

Abstract
  The development and management of an effective and efficient supply chain involve the selection of the suppliers. Only economic criteria, including cost and delivery, once used to be considered in the process of supplier selection. But, they do not suffice for the evaluation of suppliers anymore due ...  Read More

Supply Chain Management
69. A Model for Allocating Orders to Suppliers in Case of Quantity Discounts

Amir Amini; Alireza Alinezhad; Behzad Nourizad Heydarlou

Volume 10, Issue 1 , Spring 2018, , Pages 41-49

Abstract
  One of the most important activities in the management of input items of a company is focusing on the process of purchasing, supplier selection and allocating order to suppliers. Decisions about supplier selection due to simultaneously taking inconsistent and diverse issues into account in a wide range ...  Read More

70. Identification and Prioritization of Factors Affecting Authentic Leadership Deployment at the University of Medical Sciences by AHP

Mehrzad Abdolahzadeh Laleh Dashti; Mehrdad Goudarzvand Chegini; Hamidreza Rezaei Kelidbari

Volume 12, Issue 1 , Spring 2020, , Pages 45-53

Abstract
  Authentic leadership is a pattern of leadership behavior that, by possessing positive psychological abilities, can create a special place for service organizations. The purpose of this study was to identify and prioritize the factors influencing the establishment of authentic leadership in the University ...  Read More

Strategic Management
71. Strategic planning for Halal tourism development in Gilan Province

Maryam KamalZade Gilani; Seyyed Mahmoud Shabgoo Monsef

Volume 9, Issue 1 , Spring 2017, , Pages 49-55

Abstract
  Tourism as a necessity for economic development in many countries, therefore, in this study we intended to investigate the strengths, weaknesses, opportunities and threats of Halal tourism in Gilan province, by using SWOT model to introduce strategic solutions to further developments. This study is practical ...  Read More

Operation Research
72. Animal Diet Formulation with Floating Price

S.H Nasseri; Davod Darvishi

Volume 8, Issue 2 , Autumn 2016, , Pages 101-110

Abstract
  In the process of milk production, the highest cost relates to animal feed. Based on reports provided by the experts, around seventy percent of dairy livestock costs included feed costs. In order to minimize the total price of livestock feed, according to the limits of feed sources in each region or ...  Read More

Data Envelopment Analysis
73. Performance Evaluation of Bank Branches by the DEA-Tobit Model: The Case of Agricultural Bank Branches in Guilan Province

Hamidreza Alipour; Gholamreza Mahfoozi; Mohsen Shafieyan; Shiva Rezaeyan

Volume 10, Issue 2 , Autumn 2018, , Pages 113-124

Abstract
  This paper uses data envelopment analysis (DEA) to examine the technical, pure technical, and scale efficiencies of 12 branches of the agricultural bank in Guilan province, Iran over the period of 2012-2016. The first results indicated that scale inefficiency contributed more to overall technical inefficiency ...  Read More

Data Envelopment Analysis
74. Financial efficiency evaluation in a network with feedbacks

Zohreh Moghaddas

Volume 11, Issue 2 , Autumn 2019, , Pages 115-124

Abstract
  Financial efficiency evaluations in a network system, considering intermediate products, nowadays consideres great importance for managers. In the process of doing business analysis, each stage of in a network is of particular importance. In this paper, with the help of Data Envelopment Analysis (DEA), ...  Read More

75. Solving Nonlinear Klein-Gordon Equation with a Quadratic Nonlinear term using Homotopy Analysis Method

H. Jafari; M. Saeidy; M. Arab Firoozjaee

Volume 2, Issue 2 , Summer 2010, , Pages 130-138

Abstract
  In this paper, nonlinear Klein-Gordon equation with quadratic term is solved by means of an analytic technique, namely the Homotopy analysis method (HAM).Comparisons are made between the Adomian decomposition method (ADM), the exact solution and homotopy analysis method. The results reveal that the proposed ...  Read More