fisher 和bayes判别分析方法，主要用在光谱数据模式识别的，可对可见近红外光谱进行类识别，matlab2014a可以使用，其他不知道-Fisher and bayes discriminant analysis method, mainly used in spectral data of pattern recognition, visible to near infrared spectrum is used to identify the class, matlab2014a can use, other don t know