ADF检验是实际中最常用的单位根检验之一。

ADF test is the most common method of unit root test.

本文通过几个例子介绍了三次单位根在复数计算、证明与多项式整除中的应用。

This paper, by examples, introduces the application of triple root in the calculation and proof of complex number, and exact division in multinomial.

关于结构突变问题大致可以分为有关单位根的结构突变问题和协整的结构突变问题。

Structure change can be classified into unit root related structure change and cointegration structure change.