A characteristic of some systems making a transition to Chaos. Doubling is followed by quadrupling, etc. Anexample of a map displaying period doubling is the Logistic Map.
数学辞典收录了8975条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。