传统的金融时间序列认为趋势项是确定性的函数，本文对此提出一种新的模型，并且设计了分段最小二乘方法和两个算法提取出趋势路径。

For this problem, this paper develop a new model and design the piece wise least square method and two algorithms to strip off the trend.

youdao

传统的金融时间序列认为趋势项是确定性的函数，本文对此提出一种新的模型，并且设计了分段最小二乘方法和两个算法提取出趋势路径。

For this problem, this paper develop a new model and design the piece wise least square method and two algorithms to strip off the trend.

youdao