نتایج جستجو برای: genetic programming

تعداد نتایج: 925434  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان - دانشکده فنی و مهندسی 1388

برآورد مقاومت فشاری سنگها توسط معیارهای مختلفی انجام می شود. از متداولترین معیارهای مورد استفاده محققین برای برآورد مقاومت فشاری سنگها معیار hoek-brown است. این معیار بیشتر برای مقاومت فشاری سنگهای همسانگرد مورد استفاده قرار گرفته است، اما در سنگهای ناهمسانگرد کمتر استفاده شده است. در این تحقیق یکی از پارامترهای این معیار برای سنگهای ناهمسانگرد مورد بررسی قرار گرفته است. برای این منظور از نتایج...

Journal: :international journal of civil engineering 0
h. shahnazari school of civil engineering, iran university of science and technology, p.o. box 16765-163, narmak, tehran, iran m. a. shahin department of civil engineering, curtin university, perth western australia 6845, australia m. a. tutunchian school of civil engineering, iran university of science and technology, p.o. box 16765-163, narmak, tehran, iran

due to the heterogeneous nature of granular soils and the involvement of many effective parameters in the geotechnical behavior of soil-foundation systems, the accurate prediction of shallow foundation settlements on cohesionless soils is a complex engineering problem. in this study, three new evolutionary-based techniques, including evolutionary polynomial regression (epr), classical genetic p...

Journal: :Genetic Programming and Evolvable Machines 2013

Journal: :Genetic Programming and Evolvable Machines 2013

Journal: :Frontiers in Pediatrics 2018

Journal: Money and Economy 2012
Ali Arshadi, Alireza Bahiraie,

 In this paper, a new Dynamic Geometric Genetic Programming (DGGP) technique is applied to empirical analysis of financial ratios and bankruptcy prediction. Financial ratios are indeed desirable for prediction of corporate bankruptcy and identification of firms’ impending failure for investors, creditors, borrowing firms, and governments. By the time, several methods have been attempted in...

Bedload transport is an essential component of river dynamics and estimation of its rate is important to many aspects of river management. In this study, measured bedload by Helley- Smith sampler was used to estimate the bedload transport of Kurau River in Malaysia. An artificial neural network, genetic programming and a combination of genetic programming and a neural network were used to estim...

Journal: :gas processing 0
hossein kaydani department of chemical engineering, faculty of engineering, shahid bahonar university of kerman, kerman, iran ali mohebbi department of chemical engineering, faculty of engineering, shahid bahonar university of kerman, kerman, iran mohammad hassan saffaripour department of mechanical engineering, faculty of engineering, shahid bahonar university of kerman, kerman, iran

gas compressibility factor (z-factor) is an important parameter widely applied in petroleum and chemical engineering. experimental measurements, equations of state (eoss) and empirical correlations are the most common sources in z-factor calculations. however, these methods have serious limitations such as being time-consuming as well as those from a computational point of view, like instabilit...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2009
mahdi zaeifi yamchi majid abdouss hamid modarress

genetic programming (gp) is one of the computer algorithms in the family of evolutionary-computational methods, which have been shown to provide reliable solutions to complex optimization problems. the genetic programming under discussion in this work relies on tree-like building blocks, and thus supports process modeling with varying structure. in this paper the systems containing amino acids ...

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