The Algorithm of nlp is about of text classification, text analysis, sentiment analysis, regression, clustering and so on.
Also the algorithm of is contains of some tricks or some examples.
The Algorithm is about of libraries of machine leaning.It includes principles of some algorithms and source code.
The Source Code is witten in python/scala.
矩阵 A 的逆求解方法：https://zhidao.baidu.com/question/127340907.html