نتایج جستجو برای: multi objective function

تعداد نتایج: 2089803  

Journal: :iranian journal of pharmaceutical research 0
mahmoud jafari department of physics, k. n. toosi university of technology, tehran, iran danial heidari department of physics, k. n. toosi university of technology, tehran, iran pedram ebrahimnejad -department of pharmaceutics, faculty of pharmacy, mazandaran university of medical sciences, sari, iran

multifunctional nanomaterials showed graet advantages in drug delivery. folic acid (fa) binding protein, a glycosyl phosphatidyl inositol anchored cell surface receptor for folate, is overexpressed in several human tumors, whereas it is highly restricted in normal tissues. therefore, in this study, fa, polyethylene glycol (peg), and fe3o4 nanoparticles multifunctionalized short multiwall carbon...

Journal: :Frontiers in Genetics 2014

Journal: :iranian journal of fuzzy systems 2012
mojtaba eftekhari mahdi eftekhari maryam majidi hossein nezamabadi pour

in this study, a multi-objective genetic algorithm (moga) is utilized to extract interpretable and compact fuzzy rule bases for modeling nonlinear multi-input multi-output (mimo) systems. in the process of non- linear system identi cation, structure selection, parameter estimation, model performance and model validation are important objectives. furthermore, se- curing low-level and high-level ...

Journal: :iranian journal of fuzzy systems 2005
m. a. yaghoobi m. tamiz

a theorem was recently introduced to establish a relationship betweengoal programming and fuzzy programming for vectormaximum problems.in this short note it is shown that the relationship does not exist underall circumstances. the necessary correction is proposed.

Journal: :journal of ai and data mining 2016
h. motameni

this paper proposes a method to solve multi-objective problems using improved particle swarm optimization. we propose leader particles which guide other particles inside the problem domain. two techniques are suggested for selection and deletion of such particles to improve the optimal solutions. the first one is based on the mean of the m optimal particles and the second one is based on appoin...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2007
maryam sadi bahram dabir

a multi-objective optimization procedure has been developed to determine some kinetic parameters of free radical polymerization of vinyl acetate based on genetic algorithm. for this purpose, mathematical modeling of free radical polymerization of vinyl acetate is carried out first and then selected kinetic parameters are optimized by minimizing objective functions defined from comparing experim...

Journal: :journal of operation and automation in power engineering 2014
h. bagheri tolabi m. h. ali m. rizwan

this paper presents a new hybrid method for optimal multi-objective reconfiguration in a distribution feeder in addition to determining the optimal size and location of multiple-distributed generation (dg). the purposes of this research are mitigation of losses, improving the voltage profile and equalizing the feeder load balancing in distribution systems. to reduce the search space, the improv...

Journal: :journal of industrial engineering, international 2011
m.b aryanezhad h malekly m karimi-nasab

in this paper, the portfolio selection problem is considered, where fuzziness and randomness appear simultaneously in optimization process. since return and dividend play an important role in such problems, a new model is developed in a mixed environment by incorporating fuzzy random variable as multi-objective nonlinear model. then a novel interactive approach is proposed to determine the pref...

2014
Tobias Glasmachers Boris Naujoks Günter Rudolph

The influence of non-constant population sizes in evolutionary multi-objective optimization algorithms is investigated. In contrast to evolutionary single-objective optimization algorithms an increasing population size is considered beneficial when approaching the Pareto-front. Firstly, different deterministic schedules are tested, featuring different parameters like the initial population size...

Journal: :Int. J. Computational Intelligence Systems 2015
Juan-juan Peng Jian-qiang Wang Xiao-hui Wu Jing Wang Xiaohong Chen

In recent years, hesitant fuzzy sets (HFSs) and neutrosophic sets (NSs) have become a subject of great interest for researchers and have been widely applied to multi-criteria group decision-making (MCGDM) problems. In this paper, multi-valued neutrosophic sets (MVNSs) are introduced, which allow the truth-membership, indeterminacymembership and falsity-membership degree have a set of crisp valu...

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