نتایج جستجو برای: crossover
تعداد نتایج: 30447 فیلتر نتایج به سال:
As a fundamental operator in genetic algorithms (GAs), crossover may not only make an existing schema survive, but also construct a new one from other existing schemata. Unfortunately, the existing schema theorems do not exactly quantify the positive effects of schema construction by a crossover. Consequently, they cannot well characterize the evolution of a schema. In this paper, a new ternary...
In this paper we present some theoretical results on two forms of multi-point crossover: n-point crossover and uniform crossover. This analysis extends the work from De Jong’s thesis, which dealt with disruption of n-point crossover on 2nd order hyperplanes. We present various extensions to this theory, including 1) an analysis of the disruption of n-point crossover on kth order hyperplanes; 2)...
The analytical theory of one dimensional, dispersion free miscible displacement of oil by injection gas with nc component has shown that: the MMP is the lowest pressure at which any one of the initial oil, injection gas or crossover key tie lines becomes critical, which means that its length approaches to zero. In this paper, we propose a method for a solving multi component syst...
The thermodynamic properties of fluids can be predicted using the global equations of state. Among these thermodynamic properties of fluids, we choose the densities of the liquid and vapor phases. This paper considers the application of the crossover model to the vapor-liquid rectilinear diameter of sulfurhexafluoride. We also present a comparison of the crossover model equation with ...
The case-crossover design was developed in the early 1990s to study the effects of transient, short-term exposures on the risk of acute events such as myocardial infarction. To estimate relative risk, the exposure frequency during a period just before outcome onset (hazard period) is compared with exposure frequency during control time(s) in that person rather than in a control. One or more "co...
The performance of Genetic Algorithm (GA) depends on various operators. Crossover operator is one of them. Crossover operators are mainly classified as application dependent crossover operators and application independent crossover operators. Effect of crossover operators in GA is application as well as encoding dependent. This paper will help researchers in selecting appropriate crossover oper...
유전 알고리즘과 진화 컴퓨팅을 이용해서 컴퓨터과학 분야와 예술분야를 접목하려는 시도가 있어 왔다. 새로 운 해결방안이나 새로운 패턴을 생성하는 특성을 가진 유전 알고리즘의 특성은 진부한 패턴을 벗어나 참신한 창작물을 만들려고 하는 예술의 특성에 적합할 수 있다. 하지만, 사람들이 예술적 창작물에 공감하기 위해서는 지나치게 생소한 것은 문제가 될 수 있다. 기존의 사람 들의 사고방식과 다른 창작물에서 볼 수 있는 공통된 패 턴 또한 필수적인 요소이다. 본 논문에서는 하이퍼네트워크를 이용하여 음악 생성 에 적용하고자 한다. 하이퍼네트워크는 학습과정에 진화 연산적 요소를 내포하고 있다. 또한 학습 데이터를 통해 서 만들어진 하이퍼에지와 학습 방법을 이용해 기존의 학습데이터에 존재하는 패턴을 학습할 수 있고 ...
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