计算冯。诺易曼熵的程序，虽然很小，但是很实用，其实已经把相关的矩阵运算化为代数运算，易于理解！还有部分迹的程序。-Calculation of Frederick. Connaught easy Cayman entropy procedure, although very small, but very practical, in fact, has been related to matrix operations as algebra, easy to understand! There are some trace procedures.