一些矩阵运算的函数，包括两个矩阵相加，两个矩阵相减，两个矩阵相乘，矩阵复制，矩阵求逆的全选主员高斯-约当法，矩阵的三角分解(LU分解)，求Hessenberg矩阵全部特征根的QR法，约化一般实矩阵为Hessenberg矩阵的初等相似变换-A function of a number of matrix operations, including the sum of two matrices, subtract two matrices, the two matrices, matrix dup

通过Hasse matrices 和偏组合技术来进行化学计量研究的一个工具。-The Diversity/similarity measure based on Hasse matrices is a novel chemometric approach based on the partial ordering technique and the Hasse matrix