lib/dnn/core/layers.rb in ruby-dnn-0.7.2 vs lib/dnn/core/layers.rb in ruby-dnn-0.7.3

@@ -17,14 +17,16 @@
       def built?
         @built
       end
 
       # Forward propagation.
-      def forward() end
+      # Classes that inherit from this class must implement this method.
+      # def forward() end
 
       # Backward propagation.
-      def backward() end
+      # Classes that inherit from this class must implement this method.
+      # def backward() end
     
       # Get the shape of the layer.
       def shape
         prev_layer.shape
       end
@@ -100,14 +102,15 @@
         super({shape: @shape})
       end
     end
 
 
+    # It is a superclass of all connection layers.
     class Connection < HasParamLayer
       include Initializers
 
-      attr_reader :l1_lambda
-      attr_reader :l2_lambda
+      attr_reader :l1_lambda # L1 regularization
+      attr_reader :l2_lambda # L2 regularization
 
       def initialize(weight_initializer: nil,
                      bias_initializer: nil,
                      l1_lambda: 0,
                      l2_lambda: 0)