نتایج جستجو برای: solution algorithm

تعداد نتایج: 1140905  

Journal: :مدیریت صنعتی 0
حسین صفری دانشیار، مدیریت صنعتی، دانشکدۀ مدیریت دانشگاه تهران، تهران، ایران علیرضا فقیه دانشجوی دکتری مدیریت گرایش تحقیق در عملیات، دانشکدۀ مدیریت، دانشگاه تهران، تهران، ایران

the scheduling problems are the non-polynomial problems-hard (np-hard), is to solve it, and meta-heuristic innovative method compared with the exact method require less time and memory.in this research, developed imperialistic competitive algorithm used to solving the single-mode resource-constrained project scheduling problem.also the basic feasible solution algorithm used in order to increase...

Mohammad Hasan Ghasemi Mohammad Jafar Sadigh,

The large amount of computation necessary for obtaining time optimal solution for moving a manipulator on specified path has made it impossible to introduce an on line time optimal control algorithm. Most of this computational burden is due to calculation of switching points. In this paper a learning algorithm is proposed for finding the switching points. The method, which can be used for both ...

Journal: :international journal of information, security and systems management 2015
mohammad abdolshah

nowadays project management is a key component in introductory operations management. the educators and the researchers in these areas advocate representing a project as a network and applying the solution approaches for network models to them to assist project managers to monitor their completion. in this paper, we evaluated project’s completion time utilizing the q-learning algorithm. so the ...

Journal: :iranian journal of science and technology (sciences) 2013
r, mokhtari

on the basis of a reproducing kernel space, an iterative algorithm for solving the one-dimensional linear and nonlinear schrödinger equations is presented. the analytical solution is shown in a series form in the reproducing kernel space and the approximate solution is constructed by truncating the series. the convergence of the approximate solution to the analytical solution is also proved. th...

Journal: :نظریه تقریب و کاربرد های آن 0
h. molhem department of physics , faculty of science, islamic azad university, karaj branch, karaj, iran r. pourgholi school of mathematics and computer sciences, damghan university, p.o.box 36715-364, damghan, iran. m. borghei department of physics , faculty of science, islamic azad university, karaj branch, karaj, iran.

in this paper, we propose an algorithm for numerical solving an inverse non-linear di usion problem. in additional, the least-squares method is adopted to nd the solution. to regularize the resultant ill-conditioned linear system ofequations, we apply the tikhonov regularization method to obtain the stablenumerical approximation to the solution. some numerical experiments con- rm the utility of...

Journal: :مهندسی صنایع 0
محمد جعفر تارخ دانشیار دانشکده مهندسی صنایع- دانشگاه صنعتی خواجه نصیرالدین طوسی نورالدین دبیری دانشجوی دکترای دانشکده مهندسی صنایع- دانشگاه صنعتی خواجه نصیرالدین طوسی وحید یدالله نژاد کلمی کارشناس مهندسی صنایع- شرکت فرگاز مازندران

vehicle routing problem (vrp) is one of the major problems in the transportation and distribution planning. in the most previous studies, the objective of vrp models was distance and vehicle related costs. however in many industrial cases along with routing distance, vehicle loading amount is a factor of cost function. in this paper, we formulate a mixed integer non-linear programming (minlp) m...

Transmission network expansion planning (TNEP) is an important component of power system planning. Itdetermines the characteristics and performance of the future electric power network and influences the powersystem operation directly. Different methods have been proposed for the solution of the static transmissionnetwork expansion planning (STNEP) problem till now. But in all of them, STNEP pr...

This paper aims at optimizing the finite isotropic plates with the hexagonal cutout subjected to  plane loading using metaheuristic optimization algorithms. This research uses Differential Evolution Algorithm (DE) and Harmony Search Algorithm (HSA) from the evolutionary algorithm category, Big Bang- Big Crunch Algorithm (BB-BC) from the physics-based algorithm category, and Grey Wolf Optimizer ...

Set covering problem has many applications such as emergency systems, retailers’ facilities, hospitals, radar devices, and military logistics, and it is considered as Np-Hard problems. The goal of set covering problem is to find a subset such that :::::::::union::::::::: of the subset members covered the whole set. In this paper, we present a new heuristic algorithm to solve the set covering pr...

B. Agheli, M. Adabitabar Firozja

There are many methods for numerical solutions of integral equations. In various branches of science and engineering, chemistry and biology, and physics applications integral equation is provided by many other authors. In this paper, a simple numerical method using a fuzzy, for the numerical solution of the integral equation with the weak singular kernel is provided. Finally, by providing three...

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