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)
Non linear Programming
51. Optimization of solution stiff differential equations using MHAM and RSK methods

Shadan Sadigh Behzadi

Volume 11, Issue 1 , Spring 2019, , Pages 17-21

  In this paper, a nonlinear stiff differential equation is solved by using the Rosenbrock iterative method, modified homotpy analysis method and power series method. The approximate solution of this equation is calculated in the form of series which its components are computed by applying a recursive ...  Read More

Numerical Analysis
52. Improving adaptive resolution of analog to digital converters using least squares mean method

Shadan Sadigh behzadi

Volume 11, Issue 2 , Autumn 2019, , Pages 97-105

  This paper presents an adaptive digital resolution improvement method for extrapolating and recursive analog-to-digital converters (ADCs). The presented adaptively enhanced ADC (AE-ADC) digitally estimates the digital equivalent of the input signal by utilizing an adaptive digital filter (ADF). The least ...  Read More

53. Determining the Key Indicators affecting Electronic Customer Relationship Management (e-CRM) Using an integration of balanced scorecard and fuzzy screening techniques (Case Study: Companies Covered by Parsian Data-Processors Group)

abbas shahnavazi; Mehran Nemati Gonbaghi; Seyedeh Faezeh Teymouri; Bahman Ghasemi dakdare

Volume 12, Issue 1 , Spring 2020, , Pages 21-32

  Nowadays, increasing competition among companies and the huge cost of attracting new customers has led to companies seeking to retain existing customers rather than looking to attract new customers. These factors together have led to the emergence of customer relationship management. Thanks to the development ...  Read More

54. 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

  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

55. 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

  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
56. 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

  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

57. 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

  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

Operation Research
58. 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

  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

Supply Chain Management
59. 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

  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

linear Programming
60. AIDS Epidemic Modeling With Different Demographic Structures

Agraj Tripathi; Ram Naresh

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

  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

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

Ahmadreza Zanboori; Karim Zare

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

  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
62. 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

  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

Data Envelopment Analysis
63. 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

  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

64. An efficient technique for solving systems of integral equations

Hamideh Ebrahimi

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

  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

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

Masomeh Abbasi

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

  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

Operation Research
66. 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

  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

67. 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

  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

68. A Review on sequencing approaches for mixed-model just-in-time production system

Tanka Nath Dhamala; Shree Ram Khadka

Volume 3, Issue 2 , Summer 2011, , Pages 220-246

  Research interests have been focused on the concept of penalizing jobs both for being early and for being tardy because not only of modern competitive industrial challenges of providing a variety of products at a very low cost by smoothing productions but also of its increasing and exciting computer ...  Read More

69. A method for solving fully fuzzy linear system with trapezoidal fuzzy numbers

A. Kumar; A. Bansal; A. Neetu

Volume 4, Issue 2 , Summer 2012, , Pages 312-323

  Different methods have been proposed for finding the non-negative solution of fully fuzzy linear system (FFLS) i.e. fuzzy linear system with fuzzy coefficients involving fuzzy variables. To the best of our knowledge, there is no method in the literature for finding the non-negative solution ...  Read More

70. On Bottleneck Product Rate Variation Problem with Batching

Shree Ram Khadka; Tanka Nath Dhamala

Volume 5, Issue 2 , Summer 2013, , Pages 412-425

  The product rate variation problem minimizes the variation in the rate at which different models of a common base product are produced on the assembly lines with the assumption of negligible switch-over cost and unit processing time for each copy of each model. The assumption of significant setup and ...  Read More

71. A new method for ordering triangular fuzzy numbers

S.H. Nasseri; S. Mizuno

Volume 6, Issue 1 , Winter 2014, , Pages 720-729

  Ranking fuzzy numbers plays a very important role in linguistic decision making and other fuzzy application systems. In spite of many ranking methods, no one can rank fuzzy numbers with human intuition consistently in all cases. Shortcoming are found in some of the convenient methods for ranking triangular ...  Read More

linear Programming
72. A new approach to fuzzy quantities ordering based on distance method and its applications for solving fuzzy linear programming

S.H Nasseri; E. Darban Jafari; R. Chameh

Volume 7, Issue 2 , Autumn 2015, , Pages 849-855

  Many ranking methods have been proposed so far. However, there is yet no method that can always give a satisfactory solution to every situation; some are counterintuitive, not discriminating; some use only the local information of fuzzy values; some produce different ranking for the same situation. For ...  Read More

Strategic Management
73. 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

  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

Operation Research
74. Animal Diet Formulation with Floating Price

S.H Nasseri; Davod Darvishi

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

  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

Strategic Management
75. 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

  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