principal stress moment

This paper proposed a MATLAB implementation algorithm in computer for searching all feedback loops based on the branch vector matrix of rate variable fundamental in-tree and strongly simplified rate variable fundamental in-tree.

在计算机上用MATLAB实现了基于流率基本入树和强简化流率基本入树枝向量矩阵计算所有反馈环的矩阵算法,分析了算法的复杂性,并给出了相应的算例。

Then, on the basis of the concept of branch vector and its computation, a branch vector matrix approach to feedback loop analysis is proposed.

首先提出了流率基本人树的强简化方法 ,然后又在枝向量概念及其运算的基础上 ,给出了一个枝向量矩阵反馈环分析法 ,从而实现了用代数方法进行反馈环的计