Ⅰ. INTRODUCTION Let us consider the self-regression forecast model of classical n-order Y<sub>t</sub>=A<sub>0</sub>+A<sub>1</sub>Y<sub>t-1</sub>+…+A<sub>n</su...Ⅰ. INTRODUCTION Let us consider the self-regression forecast model of classical n-order Y<sub>t</sub>=A<sub>0</sub>+A<sub>1</sub>Y<sub>t-1</sub>+…+A<sub>n</sub>Y<sub>t-n</sub>+e. （1.1） This note applies fuzzy set theory to the expansion of（1. 1）, i.e.展开更多
文摘Ⅰ. INTRODUCTION Let us consider the self-regression forecast model of classical n-order Y<sub>t</sub>=A<sub>0</sub>+A<sub>1</sub>Y<sub>t-1</sub>+…+A<sub>n</sub>Y<sub>t-n</sub>+e. （1.1） This note applies fuzzy set theory to the expansion of（1. 1）, i.e.
