中文说明：应用背景集群qvalidity指数普遍knwn as邓恩家指数。matlab实现关键技术matlab实现邓恩家指数可以很容易实现和测试。
English Description：
Application background cluster qvalidity index popularly knwn as dunns index. matlab implementation Key Technologymatlab implementation of dunns index makes it easy to implement and test.