منابع مشابه
rodbar dam slope stability analysis using neural networks
در این تحقیق شبکه عصبی مصنوعی برای پیش بینی مقادیر ضریب اطمینان و فاکتور ایمنی بحرانی سدهای خاکی ناهمگن ضمن در نظر گرفتن تاثیر نیروی اینرسی زلزله ارائه شده است. ورودی های مدل شامل ارتفاع سد و زاویه شیب بالا دست، ضریب زلزله، ارتفاع آب، پارامترهای مقاومتی هسته و پوسته و خروجی های آن شامل ضریب اطمینان می شود. مهمترین پارامتر مورد نظر در تحلیل پایداری شیب، بدست آوردن فاکتور ایمنی است. در این تحقیق ...
Learned from Neural Networks
2. Architectures Many problems in data analysis and pattern recognition may be attacked by neural networks. Sometimes this approach is better, sometimes it is worse than the use of alternatives. A general discussion is presented on possibilities, advantages and disadvantages of their use in comparison with more specific approaches. The study of neural networks, once almost a ‘black box’ has giv...
متن کاملFrom neural networks to neural strategies
Arti cial neural network have evolved from their biologically inspired roots to a well established means to solve a broad spectrum of engineering problems. The embedding into modern statistics has provided the necessary theoretical foundation for challenging engineering tasks, such as advanced real-time image and signal processing. These are exemplary demonstrations for the applicability of thi...
متن کاملPolymer escape from a confining potential.
The rate of escape of polymers from a two-dimensionally confining potential well has been evaluated using self-avoiding as well as ideal chain representations of varying length, up to 80 beads. Long timescale Langevin trajectories were calculated using the path integral hyperdynamics method to evaluate the escape rate. A minimum is found in the rate for self-avoiding polymers of intermediate le...
متن کاملSocial networks and value system of students
Purpose: Technologies in general and media in particular influence their audience through their form and content. There are many studies about the role and effect of classic media on values change; however, few studies have explored new emergent media such as social networks. The aim of this descriptive-survey research is to investigate how time spent on social network and social network addict...
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ژورنال
عنوان ژورنال: Managerial Finance
سال: 2019
ISSN: 0307-4358
DOI: 10.1108/mf-12-2017-0523