论文标题

使用遗传算法模拟进化

Using Genetic Algorithms to Simulate Evolution

论文作者

Josyula, Manasa

论文摘要

进化是一种理论,即当今的动植物来自过去存在的种类。查尔斯·达尔文(Charles Darwin)和阿尔弗雷德·华莱士(Alfred Wallace)等科学家奉献了他们的生活,以观察物种如何与环境相互作用,成长和变化。我们能够预测未来的变化,并使用遗传算法模拟该过程。遗传算法使我们有机会向环境呈现多个变量和参数,并更改值模拟不同情况。通过优化遗传算法以在环境中持有实体,我们能够为实体分配各种特征,例如速度,大小和克隆概率,以模拟较短的时间内的真实自然选择和进化。了解物种如何成长和进化,我们可以找到改善技术,帮助动物灭绝生存的方法,并弄清楚疾病如何传播以及使环境无法居住的可能方法。使用来自环境的数据,包括遗传算法和速度,大小和克隆百分比的参数,可以测试环境中几种变化并观察物种在其内部相互作用的能力。在测试了多种食物的不同环境的同时,在将起始人口保持在10个实体的同时,发现少量食物的环境对于小型和缓慢的实体而言是不可持续的。所有环境都显示出速度的提高,但是食物中更丰富的环境使实体可以在整个50代时生活,并允许人口显着增长。

Evolution is the theory that plants and animals today have come from kinds that have existed in the past. Scientists such as Charles Darwin and Alfred Wallace dedicate their life to observe how species interact with their environment, grow, and change. We are able to predict future changes as well as simulate the process using genetic algorithms. Genetic Algorithms give us the opportunity to present multiple variables and parameters to an environment and change values to simulate different situations. By optimizing genetic algorithms to hold entities in an environment, we are able to assign varying characteristics such as speed, size, and cloning probability, to the entities to simulate real natural selection and evolution in a shorter period of time. Learning about how species grow and evolve allows us to find ways to improve technology, help animals going extinct to survive, and figure* out how diseases spread and possible ways of making an environment uninhabitable for them. Using data from an environment including genetic algorithms and parameters of speed, size, and cloning percentage, the ability to test several changes in the environment and observe how the species interacts within it appears. After testing different environments with a varied amount of food while keeping the number of starting population at 10 entities, it was found that an environment with a scarce amount of food was not sustainable for small and slow entities. All environments displayed an increase in speed, but the environments that were richer in food allowed for the entities to live for the entire duration of 50 generations, as well as allowed the population to grow significantly.

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