نتایج جستجو برای: genetics algorithms

تعداد نتایج: 403033  

Journal: :acta medica iranica 0
rozita jalilian research center for immunodeficiencies, children’s medical center, pediatrics center of excellence, tehran university of medical sciences, tehran, iran. nima rezaei research center for immunodeficiencies, children’s medical center, pediatrics center of excellence, tehran university of medical sciences, tehran, iran. and molecular immunology research center; and department of immunology, school of medicine, tehran university of medical sciences, tehran, iran.

no abstract

Journal: :CoRR 2012
Alfred Jean Philippe Lauret Harry Boyer Carine Riviere Alain Bastide

This paper presents the coupling of a building thermal simulation code with genetic algorithms (GAs). GAs are randomized search algorithms that are based on the mechanisms of natural selection and genetics. We show that this coupling allows the location of defective sub-models of a building thermal model i.e. parts of model that are responsible for the disagreements between measurements and mod...

2006
Wei-Guo Zhang Ying-Luo Wang

Genetic algorithms (GA) are stochastic search techniques based on the mechanics of natural selection and natural genetics. In this paper, the adaptive genetic algorithms are applied to solve the portfolio selection problem in which there exist both probability constraint on the lowest return rate of portfolio and lower and upper bounds constraints on the investment rates to assets. First, the s...

1996
Riccardo Poli Brian Logan

| Evolutionary algorithms are powerful techniques for optimisation whose operation principles are inspired by natural selection and genetics. In this paper we discuss the relation between evolutionary techniques, numerical and classical search methods and we show that all these methods are instances of a single more general search strategy, which we call thèevolutionary computation cookbook'. B...

2001
Wagner F. Sacco Marcelo Dornellas Machado Roberto Schirru

Genetic Algorithms (GAs) are systems based upon principles from biological genetics that have been used in function optimization. However, traditional GAs have shown to be inadequate in some cases, specially multimodal functions. Niching Methods allow genetic algorithms to maintain a population of diverse individuals. GAs that incorporate these methods are capable of locating multiple, optimal ...

1996
Riccardo Poli Brian Logan

| Evolutionary algorithms are powerful techniques for optimisation whose operation principles are inspired by natural selection and genetics. In this paper we discuss the relation between evolutionary techniques, numerical and classical search methods and we show that all these methods are instances of a single more general search strategy, which we call thèevolutionary computation cookbook'. B...

Journal: :gene, cell and tissue 0
mohammad hashemi cellular and molecular research center, zahedan university of medical sciences, zahedan, ir iran; department of clinical biochemistry, school of medicine, zahedan university of medical sciences, zahedan, ir iran; department of clinical biochemistry, school of medicine, zahedan university of medical sciences, zahedan, ir iran. tel: +98-5413235122 majid naderi genetics of non communicable disease research center, zahedan university of medical sciences, zahedan, ir iran; department of pediatrics, school of medicine, zahedan university of medical sciences, zahedan, ir iran ebrahim eskandari nasab genetics of non communicable disease research center, zahedan university of medical sciences, zahedan, ir iran seyed shahaboddin hasani department of clinical biochemistry, school of medicine, zahedan university of medical sciences, zahedan, ir iran simin sadeghi bojd department of pediatrics, school of medicine, zahedan university of medical sciences, zahedan, ir iran mohsen taheri genetics of non communicable disease research center, zahedan university of medical sciences, zahedan, ir iran

conclusions our findings indicated that mdm2 40-bp ins/del polymorphism was not associated with all in our iranian population. further studies with larger sample sizes and diverse ethnicities are required to verify our findings. background the human murine double minute 2 (mdm2), an oncoprotein, is the major negative regulator of p53. objectives the purpose of this study was to evaluate the imp...

Journal: :iranian journal of neurology 0
jon andoni urtizberea school of myology, institute of myology, paris and gnmh neuromuscular reference center, marine hospital, hendaye, france.

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Journal: :acta medica iranica 0
reza shirkoohi cancer research center, cancer institute of iran, tehran university of medical sciences, tehran, iran. cyrus azimi cancer research center, cancer institute of iran, tehran university of medical sciences, tehran, iran.

cancer is a genetic-epigenetic based disease which contains a complex of alterations that cause irreversible transformation of cells with a new anarchic behavior. tumor suppressor inactivation and/or oncogene activation will lead to tumorigenesis. based on the genetic alteration in germ or somatic cells, the affected person will have a different fate of cancer incidence or inheritable cancer su...

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