svd分析的例子，程序，生成数据，预处理，分析-SVD analysis of the examples, procedures, generating data, pretreatment, analysis

PVM is a fast supvervised leanring algorithm who combine dimensioin reduction and neural network training. I have prepared the code (including six algorithms KPVM, EL M/SVD, BP/SVD and BPVM, and one dataset "Face") and put them in one zip file "pvm