Renaming spv to sp

Author: mnielsen

src/network.py

@@ -111,8 +111,8 @@ def backprop(self, x, y):
         # that Python can use negative indices in lists.
         for l in xrange(2, self.num_layers):
             z = zs[-l]
-            spv = sigmoid_prime(z)
-            delta = np.dot(self.weights[-l+1].transpose(), delta) * spv
+            sp = sigmoid_prime(z)
+            delta = np.dot(self.weights[-l+1].transpose(), delta) * sp
             nabla_b[-l] = delta
             nabla_w[-l] = np.dot(delta, activations[-l-1].transpose())
         return (nabla_b, nabla_w)

src/network2.py

@@ -234,8 +234,8 @@ def backprop(self, x, y):
         # that Python can use negative indices in lists.
         for l in xrange(2, self.num_layers):
             z = zs[-l]
-            spv = sigmoid_prime(z)
-            delta = np.dot(self.weights[-l+1].transpose(), delta) * spv
+            sp = sigmoid_prime(z)
+            delta = np.dot(self.weights[-l+1].transpose(), delta) * sp
             nabla_b[-l] = delta
             nabla_w[-l] = np.dot(delta, activations[-l-1].transpose())
         return (nabla_b, nabla_w)