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