无监督混合高斯模型（GMM）的EM估计，含两篇IEEE论文的源码-This is a set of MATLAB m-files implementing the mixture

fitting algorithm described in the paper

M. Figueiredo and A.K.Jain, "Unsupervised learning of

finite mixture models",　IEEE Transaction on Pattern Analysis

and Machine Intelligence, vol. 24, no. 3, pp. 381-396, March 2002.