update

Author: bob7783

ann_class2/extra_reading.txt

@@ -22,4 +22,7 @@ http://arxiv.org/abs/1502.01852
 
 For understanding Nesterov Momentum:
 Advances in optimizing Recurrent Networks by Yoshua Bengio, Section 3.5
-http://arxiv.org/pdf/1212.0901v2.pdf
+http://arxiv.org/pdf/1212.0901v2.pdf
+
+Dropout: A Simple Way to Prevent Neural Networks from Overfitting
+https://www.cs.toronto.edu/~hinton/absps/JMLRdropout.pdf