余弦相似度计算C#源代码，采用经典改进tf_idf特征值-Cosine similarity calculation C# source code, using the classical features of value to improve tf_idf

用c#写的计算文本向量的TFIDF算法源码，同时包括用cosine距离计算文本相似度的算法源码-Calculation using c# to write the text of the TFIDF vector algorithm source code, while including the use of cosine similarity distance calculation algorithm for source text