By use of S-rank and factor width of the S-factorizable matrix A,the concept of relative factor width was introduced, and the relationship between the relative factor width and factori.

• 利用可S-因子分解矩阵的S-秩以及因子宽度,引入相对因子宽度的定义,给出了一些可{0,1}-因子分解矩阵的相对因子宽度与因子分解之间的关系,最后利用S-秩和相对因子宽度,刻画了一类矩阵。