摘要
在两个无穷大之差为无穷小时,定义它们为等价。当函数f(x)具有某些条件时,得到了(?)f(n)的渐近表示式。
If the difference of two infinity is a infinitesmal,then difines that they are equivalent infinity. For the funetion f(x) with some conditions,deduces the asymptotic representation of ■f(n).
关键词
等价无穷大
渐近表示式
数量级
函数
equivalent infinity
asymptotic representation
order of magnitude
