dbn.dnn.train           Training a Deep neural network with weights
                        initialized by DBN
load.mnist              Load MNIST DataSet
nn.predict              Predict new samples by Trainded NN
nn.test                 Test new samples by Trainded NN
nn.train                Training Neural Network
rbm.down                Generate visible vector by hidden units states
rbm.train               Training a RBM(restricted Boltzmann Machine)
rbm.up                  Infer hidden units state by visible units
sae.dnn.train           Training a Deep neural network with weights
                        initialized by Stacked AutoEncoder
