Merge pull request #37 from pikma/patch-1

Add missing 'self' in code snippet

Author: omoindrot

neural-networks-1.md

@@ -51,7 +51,7 @@ An example code for forward-propagating a single neuron might look as follows:
 ```python
 class Neuron(object):
   # ... 
-  def forward(inputs):
+  def forward(self, inputs):
     """ assume inputs and weights are 1-D numpy arrays and bias is a number """
     cell_body_sum = np.sum(inputs * self.weights) + self.bias
     firing_rate = 1.0 / (1.0 + math.exp(-cell_body_sum)) # sigmoid activation function