primitive (nth root of unity) An nth root of unity z is primitive if every nth root of unity is a power of z. For example, i is a primitive fourth root of unity, but −1 is a fourth root of unity that is not primitive.
primitive
数学辞典收录了4151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。