Outline for the research articleSiqi ZhengLast updated on Dec 16, 2021 1 min read Research (Open Source)full textPlease click the icon book above for the full text!!Mathematics ResearchRelatedSupplement Solutions for New Questions in Chapter 1.4 to 1.6 in Understanding Analysis Second EditionSupplement Solutions for New Questions in Chapter 1.2 to 1.4 in Understanding Analysis Second EditionMathematics Theorems and Proofs in Applied Multivariate Statistical Analysis (CH.1)