描述nmf的算法及其发展，说明其在各个领域中的应用，以及后续的工作-Describe the NMF and its development algorithm, it shows the in various areas of application, and the follow-up

非负矩阵分解的最经典算法，1999发表在自然科学杂志上的那一篇文章的代码-classic Nonnegative matrix factorization

这是nmflab的操作指导书，可以当成一个工具箱添加到matlab中，其中包含nmf几种经典的算法，很有指导意义！-This is the operating instructions nmflab can be added as a toolbox to matlab, which contains nmf several classic algorithms, is very instructive!