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Searching for One-Dimensional Cellular Automata in the Absence of a priori Information

机译:在没有先验信息的情况下搜索一维细胞自动机

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Various investigations have been carried out on the computational power of cellular automata (CA), with concentrated efforts in the study of one-dimensional CA. One of the approaches is the use of genetic algorithms (GA) to look for CA with a predefined computational behavior. We have previously shown a set of parameters that can be effective in helping forecast CA dynamic behavior; here, they are used as an heuristic to guide the GA search, by biasing selection, mutation and crossover, in the context of the Grouping Task (GT) for one-dimensional CA. Since GT is a new task, no a priori knowledge about its solutions is presently available; even then, the incorporation of the parameter-based heuristic entails a significant improvement over the results achieved by the plain genetic search.
机译:已经对细胞自动机(CA)的计算能力进行了各种研究,并集中精力研究一维CA。一种方法是使用遗传算法(GA)查找具有预定义计算行为的CA。先前我们已经显示了一组参数,可以有效地帮助预测CA动态行为。在这里,它们被用作一种启发式方法,在针对一维CA的分组任务(GT)的情况下,通过偏向选择,突变和交叉来指导GA搜索。由于GT是一项新任务,因此目前尚无关于其解决方案的先验知识;即使这样,基于参数的启发式方法的结合也需要对普通遗传搜索所获得的结果进行重大改进。

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