نتایج جستجو برای: alpha level optimization method

تعداد نتایج: 2929031  

2014
Essam Al Daoud Rafat Alshorman Feras Hanandeh

Although meta-heuristic optimization algorithms have been used to solve many optimization problems, they still suffer from two main difficulties: What are the best parameters for a particular problem? How do we escape from the local optima? In this paper, a new, efficient meta-heuristic optimization algorithm inspired by wild dog packs is proposed. The main idea involves using three self-compet...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه دریانوردی و علوم دریایی چابهار - دانشکده ادبیات و زبانهای خارجی 1390

abstract cooperative learning refers to small groups of learners working together as a team to solve a problem, complete a task, or accomplish a common goal. in a cooperative environment one’s success is directly related to the success of other members because the focus on the individual shifts towards the group. to test the effectiveness of the method, using jigsaw technique, a study was cond...

Journal: :IOP Conference Series: Materials Science and Engineering 2020

2007
Wei Qiu Andrew R. Barron

Abstract In this paper we first show how to compute a combination of assets producing an appropriate index of past performance. The desired index is equal to Smax T = maxb ST (b) which is the maximum of T period investment return ST (b) = ∏T t=1 b · xt, where xi is the vector of returns for the tth investment period, and b is the portfolio vector specifying the fraction of wealth allocated to e...

Journal: :Actuators 2022

In this paper, a novel deep reinforcement learning algorithm based on Proximal Policy Optimization (PPO) is proposed to achieve the fixed point flight control of quadrotor. The attitude and position information quadrotor directly mapped PWM signals four rotors through neural network control. To constrain size policy updates, PPO Monte Carlo approximations optimal penalty coefficient. A optimiza...

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